HA&P I - Bio22521K Lab Exam 2 (copy)

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Description and Tags

Muscle tissue, muscles (including origin and insertion sites), cranial and spinal nerves, and cervical, brachial, lumbar, and sacral plexuses.

Biology

Physiology

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133 Terms

1
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Frontal belly muscle. This muscle raises the eyebrows (wrinkled forehead).

<p>Frontal belly muscle. This muscle raises the eyebrows (wrinkled forehead). </p>
2
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<p>What muscle is the yellow line indicating?</p>

What muscle is the yellow line indicating?

Occipital belly muscle

<p>Occipital belly muscle</p>
3
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<p>What muscle is the yellow line indicating? What action does this muscle perform? </p>

What muscle is the yellow line indicating? What action does this muscle perform?

Orbicularis Oculi muscle. This muscle closes the eye (blinks).

<p>Orbicularis Oculi muscle. This muscle closes the eye (blinks). </p>
4
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<p>What muscle is the yellow and blue line indicating? What action does this muscle perform? </p><p>What is the origin and insertion of this muscle?</p>

What muscle is the yellow and blue line indicating? What action does this muscle perform?

What is the origin and insertion of this muscle?

The zygomaticus major muscle is in yellow and the zygomaticus minor muscle is in blue. These muscles raise the lateral corners of the mouth. These muscles allow for smiling.

  • The origin is the zygomatic bone.

  • The insertion is the skin and muscle at the corner of the mouth.

<p>The zygomaticus major muscle is in yellow and the zygomaticus minor muscle is in blue. These muscles raise the lateral corners of the mouth. These muscles allow for smiling.</p><ul><li><p>The origin is the zygomatic bone. </p></li><li><p>The insertion is the skin and muscle at the corner of the mouth.</p></li></ul>
5
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<p>What muscle is the yellow line indicating?</p>

What muscle is the yellow line indicating?

Buccinator muscle

<p>Buccinator muscle</p>
6
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Orbicularis oris muscle. This muscle closes or puckers the lips.

<p>Orbicularis oris muscle. This muscle closes or puckers the lips.</p>
7
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p><p>What is the origin and insertion of this muscle?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

What is the origin and insertion of this muscle?

Masseter muscle. This muscle is the prime mover of jaw closure.

  • The origin is the zygomatic arch and zygomatic bone.

  • The insertion is the angle and ramus of the mandible.

<p>Masseter muscle. This muscle is the prime mover of jaw closure.</p><ul><li><p>The origin is the zygomatic arch and zygomatic bone.</p></li><li><p>The insertion is the angle and ramus of the mandible.</p></li></ul>
8
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Sternocleidomastoid muscle. This muscle flexes and laterally rotates the head.

<p>Sternocleidomastoid muscle. This muscle flexes and laterally rotates the head.</p>
9
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Trapezius muscle. This muscle stabilizes, elevates, retracts, and rotates the scapula.

<p>Trapezius muscle. This muscle stabilizes, elevates, retracts, and rotates the scapula.</p>
10
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Pectoralis major muscle. This muscle adducts and medially rotates the arm.

<p>Pectoralis major muscle. This muscle adducts and medially rotates the arm.</p>
11
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p><p>What is the origin and insertion of this muscle?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

What is the origin and insertion of this muscle?

Biceps brachii muscle. This muscle flexes and supinates the forearm.

  • The origin is at the coracoid process

  • The insertion is the common tendon into the radial tuberosity.

<p>Biceps brachii muscle. This muscle flexes and supinates the forearm.</p><ul><li><p>The origin is at the coracoid process</p></li><li><p>The insertion is the common tendon into the radial tuberosity.</p></li></ul>
12
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<p>What muscles are the yellow, blue, and purple lines indicating? What action does this muscle perform?</p><p>What is the origin and insertion of this muscle?</p>

What muscles are the yellow, blue, and purple lines indicating? What action does this muscle perform?

What is the origin and insertion of this muscle?

Triceps brachii muscle (long, lateral, and medial head). These muscles extend the forearm (prime mover is this medal head)

  • The origin is at the posterior shaft of the humerus

  • The insertion is the common tendon into the olecranon of the ulna.

<p>Triceps brachii muscle (long, lateral, and medial head). These muscles extend the forearm (prime mover is this medal head)</p><ul><li><p>The origin is at the posterior shaft of the humerus</p></li><li><p>The insertion is the common tendon into the olecranon of the ulna.</p></li></ul>
13
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p><p>What is the origin and insertion of this muscle?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

What is the origin and insertion of this muscle?

Brachialis muscle. This muscle is the major forearm flexor. It lifts the ulna as the biceps lifts the radius.

  • The origin is the anterior surface of the distal humerus

  • The insertion is the coronoid process of the ulna

<p>Brachialis muscle. This muscle is the major forearm flexor. It lifts the ulna as the biceps lifts the radius.</p><ul><li><p>The origin is the anterior surface of the distal humerus</p></li><li><p>The insertion is the coronoid process of the ulna</p></li></ul>
14
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<p>What muscle is the yellow line indicating?</p>

What muscle is the yellow line indicating?

Flexor carpi radialis muscle

<p>Flexor carpi radialis muscle</p>
15
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<p>What muscle is the blue line indicating? What action does this muscle perform?</p>

What muscle is the blue line indicating? What action does this muscle perform?

Flexor carpi ulnaris muscle. This muscle stabilizes the wrist during finger extension.

<p>Flexor carpi ulnaris muscle. This muscle stabilizes the wrist during finger extension.</p>
16
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<p>What muscle is the yellow line indicating?</p>

What muscle is the yellow line indicating?

Extensor digitorium muscle.

<p>Extensor digitorium muscle. </p>
17
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<p>What muscle is the blue line indicating? What action does this muscle perform?</p>

What muscle is the blue line indicating? What action does this muscle perform?

Extensor carpi ulnaris muscle. This muscle extends and adducts the hand.

<p>Extensor carpi ulnaris muscle. This muscle extends and adducts the hand.</p>
18
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Gluteus maximus muscle. This muscle extends the thigh and laterally rotates and abducts the thigh.

<p>Gluteus maximus muscle. This muscle extends the thigh and laterally rotates and abducts the thigh.</p>
19
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<p>What muscle is the blue line indicating?</p>

What muscle is the blue line indicating?

Gluteus Medius muscle

<p>Gluteus Medius muscle</p>
20
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<p>What muscle is the blue line indicating? What action does this muscle perform?</p>

What muscle is the blue line indicating? What action does this muscle perform?

External intercostals muscle. This muscle pulls ribs toward one another to elevate the rib cage.

<p>External intercostals muscle. This muscle pulls ribs toward one another to elevate the rib cage.</p>
21
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Internal intercostals muscle. This muscle pulls the ribs together and depresses the rib cage.

<p>Internal intercostals muscle. This muscle pulls the ribs together and depresses the rib cage.</p>
22
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Diaphragm muscle. This muscle moves inspiration and flattens or contracts.

<p>Diaphragm muscle. This muscle moves inspiration and flattens or contracts.</p>
23
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<p>What muscle is the yellow line indicating?</p>

What muscle is the yellow line indicating?

Rectus abdominis muscle

<p>Rectus abdominis muscle</p>
24
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<p>What muscle is the yellow line indicating?</p>

What muscle is the yellow line indicating?

External obliques muscle

<p>External obliques muscle</p>
25
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<p>What muscle is the yellow line indicating?</p>

What muscle is the yellow line indicating?

Internal obliques muscle

<p>Internal obliques muscle</p>
26
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<p>What muscle is the yellow line indicating?</p>

What muscle is the yellow line indicating?

Transverse abdominis muscle

<p>Transverse abdominis muscle</p>
27
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p><p>What is the origin and insertion of this muscle?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

What is the origin and insertion of this muscle?

Deltoid muscle. This muscle abducts and medially rotates the arm.

  • The origin is the end of the clavicle, sternum, and cartilage of the ribs

  • The insertion is at the intertubercular sulcus and greater tubercle of the humerus.

<p>Deltoid muscle. This muscle abducts and medially rotates the arm.</p><ul><li><p>The origin is the end of the clavicle, sternum, and cartilage of the ribs</p></li><li><p>The insertion is at the intertubercular sulcus and greater tubercle of the humerus.</p></li></ul>
28
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Latissimus dorsi muscle. This muscle extends, adducts, and medially rotates the arm.

<p>Latissimus dorsi muscle. This muscle extends, adducts, and medially rotates the arm.</p>
29
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<p>What muscle is the purple line indicating?</p>

What muscle is the purple line indicating?

Gracilis muscle.

<p>Gracilis muscle. </p>
30
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Rectus femoris muscle. This muscle extends the leg and flexes the thigh at the hip.

<p>Rectus femoris muscle. This muscle extends the leg and flexes the thigh at the hip.</p>
31
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<p>What muscle is the yellow line indicating? </p>

What muscle is the yellow line indicating?

Vastus medialis muscle

<p>Vastus medialis muscle</p>
32
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<p>What muscle is the yellow line indicating? </p>

What muscle is the yellow line indicating?

Vastus intermedius muscle

<p>Vastus intermedius muscle</p>
33
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<p>What muscle is the purple line indicating? What action does this muscle perform?</p><p>What is the origin and insertion of this muscle?</p>

What muscle is the purple line indicating? What action does this muscle perform?

What is the origin and insertion of this muscle?

Vastus lateralis muscle. This muscle extends the leg and stabilizes the knee.

  • The origin is the greater trochanter

  • The insertion is the patella

34
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p><p>What is the origin and insertion of this muscle?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

What is the origin and insertion of this muscle?

Biceps femoris muscle. This muscle extends the thigh and flexes the leg.

  • The origin is the ischial tuberosity

  • The insertion is the lateral condyle of the tibia.

<p>Biceps femoris muscle. This muscle extends the thigh and flexes the leg.</p><ul><li><p>The origin is the ischial tuberosity</p></li><li><p>The insertion is the lateral condyle of the tibia.</p></li></ul>
35
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<p>What muscle is the purple line indicating?</p>

What muscle is the purple line indicating?

Semitendinosus muscle

<p>Semitendinosus muscle</p>
36
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p><p>What is the origin and insertion of this muscle?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

What is the origin and insertion of this muscle?

Gastrocnemius muscle. This muscle plantar flexes the foot when leg is extended.

  • The origin is the two heads of medial and lateral condyles of the femur.

  • The insertion is the posterior calcaneus via calcaneal tendon

<p>Gastrocnemius muscle. This muscle plantar flexes the foot when leg is extended.</p><ul><li><p>The origin is the two heads of medial and lateral condyles of the femur.</p></li><li><p>The insertion is the posterior calcaneus via calcaneal tendon</p></li></ul>
37
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<p>What muscle is the purple line indicating?</p>

What muscle is the purple line indicating?

Soleus muscle

<p>Soleus muscle</p>
38
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<p>What muscle is the yellow line indicating? What action does this muscle perform?</p>

What muscle is the yellow line indicating? What action does this muscle perform?

Tibialis anterior muscle. This muscle allows dorsiflexion (pointing the foot upward)

<p>Tibialis anterior muscle. This muscle allows dorsiflexion (pointing the foot upward)</p>
39
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<p>What muscle is the yellow line indicating?</p>

What muscle is the yellow line indicating?

Brachioradialis muscle

<p>Brachioradialis muscle</p>
40
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<p>The dark blue arrow is indicating what?</p>

The dark blue arrow is indicating what?

Nucleus

<p>Nucleus</p>
41
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<p>The orange arrow is indicating what?</p>

The orange arrow is indicating what?

Dendrites

<p>Dendrites</p>
42
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<p>The purple arrow indicates what?</p>

The purple arrow indicates what?

Axon

<p>Axon</p>
43
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<p>The green arrow indicates what?</p>

The green arrow indicates what?

Axon hillock

<p>Axon hillock</p>
44
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<p>The yellow arrow indicates what?</p>

The yellow arrow indicates what?

Schwann cells

45
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<p>The light blue arrow indicates what?</p>

The light blue arrow indicates what?

Node of Ranvier (myelin sheath gaps)

46
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<p>The green box indicates what?</p>

The green box indicates what?

Myelin sheath

47
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<p>The gray arrow indicates what?</p>

The gray arrow indicates what?

Axon terminals

48
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<p>What is the green circle indicating on the sheep's brain?</p>

What is the green circle indicating on the sheep's brain?

Olfactory bulb

49
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<p>What is the yellow circle indicating on the sheep's brain?</p>

What is the yellow circle indicating on the sheep's brain?

Optic nerve/chiasma

50
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<p>What is the purple circle indicating on the sheep's brain?</p>

What is the purple circle indicating on the sheep's brain?

Pons

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<p>What is the blue circle indicating on the sheep's brain?</p>

What is the blue circle indicating on the sheep's brain?

Medulla

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<p>What is the red circle indicating on the sheep's brain?</p>

What is the red circle indicating on the sheep's brain?

Midbrain

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<p>What is the yellow circle indicating on the sheep's brain?</p>

What is the yellow circle indicating on the sheep's brain?

Hypothalamus

54
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<p>What is the green circle indicating on the sheep's brain?</p>

What is the green circle indicating on the sheep's brain?

Cerebrum

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<p>What is the blue circle indicating on the sheep's brain?</p>

What is the blue circle indicating on the sheep's brain?

Frontal lobes

56
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<p>What is the purple circle indicating on the sheep's brain?</p>

What is the purple circle indicating on the sheep's brain?

Occipital Lobes

57
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<p>What is the yellow circle indicating on the sheep's brain?</p>

What is the yellow circle indicating on the sheep's brain?

Parietal lobes

58
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<p>What is the yellow circle indicating on the sheep's brain?</p>

What is the yellow circle indicating on the sheep's brain?

Cerebellum

59
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<p>What is the color purple indicating on the sheep's brain?</p>

What is the color purple indicating on the sheep's brain?

Arbor vitae

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<p>What is the red circle indicating on the sheep's brain?</p>

What is the red circle indicating on the sheep's brain?

Pineal body/gland

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<p>What is the red circle indicating on the sheep's brain?</p>

What is the red circle indicating on the sheep's brain?

Corpus callosum

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<p>What is the purple circle indicating on the sheep's brain?</p>

What is the purple circle indicating on the sheep's brain?

Thalamus

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<p>What is the green circle indicating on the sheep's brain?</p>

What is the green circle indicating on the sheep's brain?

Lateral ventricle

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<p>What is the yellow circle indicating on the sheep's brain?</p>

What is the yellow circle indicating on the sheep's brain?

Transverse fissure

65
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<p>What is the green circle indicating on the human brain?</p>

What is the green circle indicating on the human brain?

Brain stem

66
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<p>What is the yellow circle indicating on the human brain?</p>

What is the yellow circle indicating on the human brain?

Medulla oblongata

67
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<p>What is the purple circle indicating on the human brain?</p>

What is the purple circle indicating on the human brain?

Pons

68
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<p>What is the red circle indicating on the human brain?</p>

What is the red circle indicating on the human brain?

Midbrain

69
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<p>What is the yellow circle indicating on the human brain?</p>

What is the yellow circle indicating on the human brain?

Cerebellum

70
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<p>What is the blue circle indicating on the human brain?</p>

What is the blue circle indicating on the human brain?

Folia

71
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<p>What is the color purple indicating on the human brain?</p>

What is the color purple indicating on the human brain?

Arbor vitae

72
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<p>What are green circles indicating on the human brain?</p>

What are green circles indicating on the human brain?

Cerebellar cortex

73
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What do the thalamus, hypothalamus, and epithalamus make up?

The diencephalon

74
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<p>What does the yellow circle indicate on the human brain?</p>

What does the yellow circle indicate on the human brain?

Thalamus

75
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<p>What does the purple circle indicate on the human brain?</p>

What does the purple circle indicate on the human brain?

Hypothalamus

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<p>What does the green circle indicate on the human brain?</p>

What does the green circle indicate on the human brain?

Infundibulum

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<p>What does the red circle indicate on the human brain?</p>

What does the red circle indicate on the human brain?

Mammillary bodies

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<p>What does the blue circle indicate on the human brain?</p>

What does the blue circle indicate on the human brain?

Pituitary gland

79
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<p>What does the yellow circle indicate on the human brain?</p>

What does the yellow circle indicate on the human brain?

Pineal gland

80
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<p>What does the yellow circle indicate on the human brain?</p>

What does the yellow circle indicate on the human brain?

Cerebrum

81
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<p>What does the green line indicate on the human brain?</p>

What does the green line indicate on the human brain?

Central sulcus

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<p>Which lobe is the yellow circle indicating on the human brain?</p>

Which lobe is the yellow circle indicating on the human brain?

Frontal lobe

83
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<p>Which lobe is the purple circle indicating on the human brain?</p>

Which lobe is the purple circle indicating on the human brain?

Occipital lobe

84
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<p>Which lobe is the blue circle indicating on the human brain?</p>

Which lobe is the blue circle indicating on the human brain?

Parietal lobe

85
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<p>Which lobe is the green circle indicating on the human brain?</p>

Which lobe is the green circle indicating on the human brain?

Temporal lobe

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<p>What does the blue line indicate on the human brain?</p>

What does the blue line indicate on the human brain?

Transverse cerebral fissure

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<p>What does the red line indicate on the human brain?</p>

What does the red line indicate on the human brain?

Lateral sulcus

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<p>What is the yellow line indicating on the human brain?</p>

What is the yellow line indicating on the human brain?

Longitudinal fissure

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<p>What is being highlighted in yellow on the human brain?</p>

What is being highlighted in yellow on the human brain?

Pre-central gyrus

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<p>What is being highlighted in purple on the human brain?</p>

What is being highlighted in purple on the human brain?

Post-central gyrus (post=back; meaning the back of the brain)

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<p>What does the yellow circle indicate on the ventricle?</p>

What does the yellow circle indicate on the ventricle?

One of the lateral ventricles; other one is mirrored on the other side

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<p>What does the purple circle indicate on the ventricle?</p>

What does the purple circle indicate on the ventricle?

Third ventricle

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<p>What does the green circle indicate on the ventricle?</p>

What does the green circle indicate on the ventricle?

Fourth ventricle

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<p>What does the yellow circle indicate on the ventricle?</p>

What does the yellow circle indicate on the ventricle?

Cerebral aqueduct

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<p>What does the yellow circle indicate on the human brain?</p>

What does the yellow circle indicate on the human brain?

Corpus callosum

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What do the pituitary gland, mammillary bodies, and infundibulum make up?

The hypothalamus

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<p>What does the yellow circle indicate on the spinal cord?</p>

What does the yellow circle indicate on the spinal cord?

Gray matter

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<p>What do the purple circles indicate on the spinal cord?</p>

What do the purple circles indicate on the spinal cord?

Posterior/dorsal horns

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<p>What do the blue circles indicate on the spinal cord?</p>

What do the blue circles indicate on the spinal cord?

Anterior/ventral horns

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<p>What do the green circles indicate on the spinal cord?</p>

What do the green circles indicate on the spinal cord?

Lateral horn