Week 13: Nervous System

nerve

axon

fascicle

name N

endoneurium

endoneurium

surrounds the axon

perineurium

name P

perineurium

surrounds each fascicle

epineurium

name E

epineurium

surrounds the entire nerve

spinal cord dorsal root ganglion

ventral horn

dorsal horn

gray commissure

area around central canal

white matter tracts

gray matter

central canal

ventral median fissure

name the red line

dorsal median sulcus

name the red line

dorsal root ganglion

cerebrum

frontal lobe

longitudinal sulcus

precentral gyrus

parietal lobe

postcentral gyrus

central sulcus

central sulcus

what divides the frontal lobe and parietal lobe?

lateral sulcus

what separates the temporal lobe?

temporal lobe

lateral sulcus

occipital lobe

cerebellum

arbor vitae

diencephalon

thalamus

hypothalamus

inferior, anterior

the hypothalamus is _____ and _____ to the thalamus

pituitary

adenohypophysis (anterior pituitary)

Neurohypophysis (posterior pituitary)

infundibulum

mammillary bodies

name the little green dots lol

pineal gland

posterior, anterior

the pineal gland is _____ to the thalamus and _____ to the cerebellum

corpus callosum

brain stem

midbrain

cerebellar peduncle

pons

medulla oblongata

olfactory nerve (1st cranial nerve)

- 1st cranial nerve

- smell

- sensory

olfactory bulb

optic nerve (2nd cranial nerve)

- 2nd cranial nerve

- visual acuity

- sensory

optic chiasm

oculomotor nerve (3rd cranial nerve)

- 3rd cranial nerve

- opening of eyelids, eye movement

- motor

trochlear nerve (4th cranial nerve)

- 4th cranial nerve

- controls superior oblique muscle of the eye

- motor

trigeminal nerve (5th cranial nerve)

- 5th cranial nerve

- facial sensation, chewing motions

- sensory and motor

ophthalmic branch (trigeminal nerve)

- 5a

- senses forehead

- sensory

maxillary branch

- 5b

- senses upper jaw/cheek

- sensory

mandibular branch

- 5c

- senses chin and moves muscles of mastication

- sensory and motor

abducens nerve (6th cranial nerve)

- 6th cranial nerve

- moves eyes laterally

- motor

facial nerve (7th facial nerve)

- 7th cranial nerve

- moves muscles of the face; senses front taste buds of the tongue

- sensory and motor

vestibulocochlear nerve (aka auditory; 8th cranial nerve)

- 8th cranial nerve

- balance and hearing

- sensory

glossopharyngeal nerve (9th cranial nerve)

- 9th cranial nerve

- salivary gland, swallowing, gag reflex, taste at the back of the tongue

- sensory and motor

vagus nerve (10th cranial nerve)

- 10th cranial nerve

- senses taste for roof of mouth, controls parasympathetic organs

- sensory and motor

accessory nerve (11th cranial nerve)

- 11th cranial nerve

- shrugs shoulders

- motor

hypoglossal nerve (12th cranial nerve)

- 12th cranial nerve

- movement of the tongue

- motor

circle of Willis

common carotid artery

internal carotid artery

middle cerebral artery

anterior cerebral artery

anterior communicating artery

vertebral artery

basilar artery

posterior cerebral artery

posterior communicating artery

anterior circulation

1. common carotid artery
2. internal carotid artery
3. middle cerebral artery
4. anterior cerebral artery
5. anterior communicating artery

posterior circulation

1. vertebral artery
2. basilar artery
3. posterior communicating artery
4. posterior communicating artery

lateral ventricles

foramen of Monro (interventricular foramen)

foramen of Monro

What connects the lateral ventricles to the third ventricle?

3rd ventricle

cerebral aqueduct

4th ventricle

skull

frontal bone

orbit of the eye

supraorbital foramen

nasal bone

maxilla

infraorbital foramen

palatine bone

mandible

ramus of the mandible

mandibular angle

coronoid process

mandibular condyle (temporomandibular joint of TMJ)

lacrimal bone

zygomatic bone