ALL Bio 243 Bones (Names)

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163 Terms

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frontal bone

What bone is this?

<p>What bone is this?</p>
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anterior part of the cranium that forms the forehead

What is the frontal bone?

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Parietal bone

1. sagittal suture

2. coronal suture

3. squamous suture

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<p>What bone is this?</p>
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sagittal suture (parietal bone)

- the midline articulation between the two parietal bones

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coronal suture (parietal bone)

- the articulation between the parietal bones and the frontal bone

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squamous suture (parietal bone)

- the articulation between the parietal bone and the temporal bone

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temporal bone

1. external acoustic meatus

2. styloid process

3. zygomatic process

4. mastoid process

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<p>What bone is this?</p>
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external acoustic meatus (temporal bone)

- forms the canal in the outer ear leading to the eardrum and the middle ear

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styloid process of the temporal bone

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zygomatic process (temporal bone)

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mastoid process on temporal bone

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occipital bone

1. external occipital protuberance

2. lambdoid suture

3. occipitomastoid suture

4. foramen magnum

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<p>What bone is this?</p>
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external occipital protuberance (occipital bone)

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lambdoid suture (occipital bone)

- the articulation between the occipital bone and parietal bones

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occipitomastoid suture (occipital bone)

- the suture between the occipital bone and temporal bone

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foramen magnum (occipital bone)

- the large opening in the occipital bone that allows the spinal cord to join the brain

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sphenoid bone

- anterior to temporal bone that forms middle portion of the floor of the cranial vault along with the temporal bone

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ethmoid bone

- anterior to sphenoid bone, forms medial part of orbital wall (eye socket) and part of the roof of the nasal cavity

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mandible

- forms the lower jaw bone and chin; articulates with the temporal bone to provide the only freely movable joint of the skull

1. mandibular angle

2. mandibular symphysis

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<p>What bone is this?</p>
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mandibular angle (mandible)

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mandibular symphysis (mandible)

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Maxilla

- form the upper jawbone and the inferior parts of the orbital walls

- all facial bones except the mandible articulate with the maxillary bones

- these bones are considered the keystone bones of your face

1. palatine processes

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palatine process of maxilla

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palatine bone

- posterior to the palatine processes of the maxillary bones; forms the posterior part of the hard palate

What bone is this?

<p>What bone is this?</p>
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zygomatic bone

- lateral to the maxilla; forms what is referred to as the cheekbone and the lateral portion of the orbital wall

1. zygomatic arch

- formed with zygomatic process of the temporal bone

What bone is this?

<p>What bone is this?</p>
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zygomatic arch

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lacrimal bone

- small bones between the maxilla and ethmoid bone; forms the medial part of the orbital wall

1. lacrimal fossa

- provides a passageway for tears from the eye to the nose

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lacrimal fossa (lacrimal bone)

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nasal bone

- small bones which form the bridge of the nose

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vomer bone

- located within the nasal cavity, forming the median plane of the nasal cavity

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vomer bone

- located within the nasal cavity, forming the median plane of the nasal cavity

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inferior nasal concha

- thin curved bones that protrude medially from the lateral walls of the nasal cavity

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hyoid bone

- only bone in the body that does not articulate with another bone

What bone is this?

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fluid-filled fibrocartilage that absorb shock

What are intervertebral discs?

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body

What part of the vertebrae is this?

<p>What part of the vertebrae is this?</p>
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Vertebral foramen

- conduit for the spinal cord

What feature is this?

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transverse processes

- paired lateral projections from the body

What feature of the vertebrae is this?

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spinous process

- single posterior projection from the body

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superior articular process

- projection lateral to the vertebral foramen that allow for the articulation o adjacent vertebrae

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inferior articular process

- projection lateral to the vertebral foramen that allow for the articulation o adjacent vertebrae

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superior is on the outside and inferior is on the inside

How do superior and inferior articular processes fit together?

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atlas (c1) (Cervical Vertebrae)

- the superior articulation between the atlas and the base of the skull allows you to nod your head "yes"

What bone is this?

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axis (c2) (Cervical Vertebrae)

- acts as a pivot and allows the atlas above it to rotate, allowing you to shake your head "no"

What bone is this?

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nod your head yes

What does the atlas vertebrae allow you to do?

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shake your head no

What does the axis vertebrae allow you to do?

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7

How many cervical vertebrae?

<p>How many cervical vertebrae?</p>
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12

How many thoracic vertebrae?

<p>How many thoracic vertebrae?</p>
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5

How many lumbar vertebrae?

<p>How many lumbar vertebrae?</p>
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five fused vertebrae

What is the sacrum made up of?

<p>What is the sacrum made up of?</p>
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fusion of several small vertebrae

What is the coccyx made up of?

<p>What is the coccyx made up of?</p>
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cervical

What region of the spine is this?

<p>What region of the spine is this?</p>
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thoracic

What region of the spine is this?

<p>What region of the spine is this?</p>
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lumbar

What region of the spine is this?

<p>What region of the spine is this?</p>
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sacrum

What region of the spine is this?

<p>What region of the spine is this?</p>
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coccyx

What region of the spine is this?

<p>What region of the spine is this?</p>
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abnormal lateral curvature of spine

What is scoliosis?

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abnormal outward curvature of the spine

kyphosis (hunchback)

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Abnormal inward curvature of the spine

lordosis

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sternum

1. manubrium

- jugular notch

2. body

3. xiphoid process

What bone is this?

<p>What bone is this?</p>
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manubrium (sternum)

1. jugular notch

What bone is this?

<p>What bone is this?</p>
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jugular notch (manubrium)

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body of sternum

What bone is this?

<p>What bone is this?</p>
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xiphoid process (sternum)

What bone is this?

<p>What bone is this?</p>
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manubrium, body, and xiphoid process

What 3 bones fused together to make the sternum?

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ribs

What bones are these?

<p>What bones are these?</p>
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12

How many pairs of ribs are there?

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clavicle and scapula

What 2 bones make up the pectoral girdle?

<p>What 2 bones make up the pectoral girdle?</p>
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clavicle

What bone is this?

<p>What bone is this?</p>
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scapula

1. spine

2. acromion

3. coracoid process

4. glenoid cavity

5. supraspinous fossa

6. infraspinous fossa

7. subscapular fossa

What bone is this?

<p>What bone is this?</p>
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spine of scapula

What structure is this?

<p>What structure is this?</p>
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acromion of scapula

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coracoid process of scapula

What structure is this?

<p>What structure is this?</p>
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glenoid cavity of scapula

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supraspinous fossa of scapula (posterior)

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infraspinous fossa of scapula (posterior)

What structure is this?

<p>What structure is this?</p>
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subscapular fossa of scapula (anterior)

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humerus

- articulates with the scapula superiorly at the shoulder and at the elbow inferiorly

1. head of humerus

2. greater tubercle

4. lesser tubercule

5. intertubercular groove

6. deltoid tuberosity

7. trochlea

8. capitulum

9. medial epicondyle

10. lateral epicondyle

11. coronoid fossa

12. olecranon fossa

What bone is this?

<p>What bone is this?</p>
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head of humerus

What feature is this?

<p>What feature is this?</p>
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greater tubercle of humerus

What feature is this?

<p>What feature is this?</p>
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lesser tubercle of humerus (anterior)

What feature is this?

<p>What feature is this?</p>
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intertubercular groove of humerus

What feature is this?

<p>What feature is this?</p>
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deltoid tuberosity of humerus (lateral)

What feature is this?

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trochlea of humerus

- medial articulation with the ulna

What feature is this?

<p>What feature is this?</p>
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medial articulation with the ulna

What does the trochlea of the humerus do?

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capitulum of humerus

What feature is this?

<p>What feature is this?</p>
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medial epicondyle of humerus

What feature is this?

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lateral epicondyle of humerus

What feature is this?

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coronoid fossa of humerus (anterior)

What feature is this?

<p>What feature is this?</p>
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olecranon fossa of humerus

What feature is this?

<p>What feature is this?</p>
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radius and ulna

What 2 bones make up the forearm?

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radius is lateral

ulna is medial

Match radius and ulna with lateral and medial

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Ulna

1. coronoid process

2. olecranon process

(fit into the coronoid and olecranon fossae on the humerus)

3. trochlear notch

(encompasses trochlea of humerus)

4. radial notch

(where radius "spins" in ulna to allow supination and pronation)

5. styloid process

What bone is this?

<p>What bone is this?</p>
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coronoid process of ulna

What feature is this?

<p>What feature is this?</p>
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olecranon process of ulna

What feature is this?

<p>What feature is this?</p>
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coronoid and olecranon fossae of humerus

What do the coronoid and olecranon processes fit into?

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trochlear notch of ulna

What feature is this?

<p>What feature is this?</p>
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radial notch of ulna

What feature is this?

<p>What feature is this?</p>
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extension

What motion are the olecranon process and olecranon fossa used for?

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flexion

What motion are the coronoid process and coronoid fossa used for?

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Radius

1. head

2. radial tuberosity

3. styloid process

What bone is this?

<p>What bone is this?</p>