nervous system (q9) Flashcards
3 functions of nervous system
sensory reception, integration, and motor output
voluntary motor innervation
somatic motor
involuntary motor innervation also known as autonomic motor system
visceral motor
layers of the meninges from superficial to deep
(bone), epidural space, periosteal layer of dura mater, dural sinus, meningeal layer of dura mater, arachnoid mater, subarachnoid space, pia mater, (brain)
primary vesicle of cerebrum
prosencephalon
secondary vessicle of the cerebrum
telencephalon
primary vesicle of epithalamus, thalamus, and hypothalamus
prosencephalon
secondary vessicle epithalamus, thalamus, hypothalamus
diencephalon
what structure arises from the mesencephalon
corpora quadrigemina
primary vessicle of pons and cerebellum
rhombencephalon
secondary vesicle of pons and cerebellum
metencephalon
primary vesicle of medulla oblongata/brainstem
rhombencephalon
secondary vesicle of medulla oblongata/brainstem
meyelincephalon
secondary vesicles coming from prosencephalon
telencephalon and diencephalon
secondary vesicles coming from rhombencephalon
metencephalon and mylencephalon
watery fluid that fills subarachnoid space, ventricles, ad hollow cavities of the brain
cerebral spinal fluid
functions of cerebral spinal fluid
protection and nourishment of neural tissue that allows the CNS to “float”
csf pathway after 4th ventricle
choroid plexus, 4th ventricle, median aperture/lateral aperture, subarachnoid space, arachnoid villi, dural sinus, internal jugular vein, general body circulation
where is the primary motor cortex located?
precentral gyrus within the frontal lobe
tasks associated with frontal lobe
motor control, problem solving, and speech production
function of anterior part of frontal lobe
higher order thinking
function of posterior part of frontal lobe
planning, initiation of movement, speech production
tasks associated with parietal lobe
touch perception, body orientation and sense discrimination
where is the primary somatosensory cortex
postcentral gyrus within the parietal lobe
tasks associated with the temporal lobe
audio processing, language comprehension, memory/ information retrieval including emotional response to memory
associated with occipital lobe
contains the visual cortex for reception and interpretation of vision
associated with insula
visceral sensory cortex, responsible for sensation of taste
responsibility of pons
coordination of voluntary movement
cerebellar cortex function
smooth body function
cerebellum functions
maintain smooth body movement and maintain posture
foramen of cn i, olfactory nerve
cribiform plate
foramen of cn ii, optic nerve
optic canal
foramen of cn iii, oculomotor nerve
superior orbital fissure
foramen of cn iv, trochlear nerve
superior orbital fissure
foramen of cn v, trigeminal nerve (ophthalmic division)
superior orbital fissure
foramen of cn v, trigeminal nerve (maxillary division)
foramen rotundum
foramen of cn v, trigeminal nerve (mandibular division)
foramen ovale
foramen of cn vi, abducens
superior orbital fissure
foramen of cn vii, facial
enters temporal bone via internal acoustic meatus, exits through stylomastoid foramen
foramen of cn viii, vestibulocochlear
internal acoustic meatus
foramen of cn ix, glossopharyngeal
jugular foramen
foramen of cn x, vagus
jugular foramen
foramen of cn xi, accessory
spinal component enters via foramen magnum, cranial component exits via jugular foramen
foramen of cn xii, hypoglossal
hypoglossal canal
innervation of cn i, olfactory
nasal cavity/ smell
innervation of cn ii, optic
eye/ vision
innervation of of cn iii, oculomotor
4 extrinsic muscles of eye
innervation of cn iv, trochlear
superior oblique muscle of eye
innervation of cn v, trigeminal (ophthalmic)
skin of eyelids, nose, scalp, and lacrimal gland (sensory)
innervation of cn v, trigeminal, (maxillary)
upper teeth, palate, skin of cheek, upper lip (sensory)
innervation of cn v, trigeminal (mandibular)
tongue, lower teeth, skin of jaw and temporal region (sensory), muscles of mastication (motor)
innervation of cn vi, abducens
lateral rectus muscle of eye
innervation of cn vii, facial
taste buds of tongue (sensory) and stimulate face glands and skeletal muscles of face (motor)
innervation of cn viii, vestibulocochlear
vestibular branch – equlibrium
cochlear branch – hearing
innervation of cn ix, glossopharyngeal
pharyngeal muscles, parotid gland(motor) and posterior tongue, pharynx, and carotid sinus (sensory)
innervation of cn x, vagus
pharyngeal and laryngeal muscles, heart, lungs, and abdominal viscera (motor) and pharynx, larynx, and visceral organs (sensory)
innervation of cn xi, accessory
trapezius and sternocleidomastoid
innervation of cn xii, hypoglossal
extrinsic and intrinsic muscles of the tongue
a
occipital lobe
b
temporal lobe
c
parietal lobe
d
frontal lobe
insula
a
sulcus
b
gyrus
c
transverse fissure
d
central sulcus
e
lateral sulcus
a
cerebrum
b
corpus callosum
c
septum pellucidum
a
periosteal layer of dura mater
b
meningeal layer of dura mater
c (orange)
arachnoid mater
d
superior sagittal sinus
e
subarachnoid space
f (red)
pia mater
a
periosteal layer of dura mater
b
arachnoid villus
c
meningeal layer of dura mater
d
superior sagittal sinus
e
cerebrum
f
corpus callosum
g
septum pellucidum
a
tentorium cerebilli
b
falx cerebri
a
falx cerebelli
a
thalamus
b
hypothalamus
c
epithalamus
pineal body
a
optic chiasma
b
infundibulum
c
pituitary gland
d
mamillary body
a
cerebral auqeduct
b
superior colliculus of corpora quadrigemina
c
inferior colliculus of corpora quadrigemnina
a
pons
b
cerebellum
a (white matter)
arbor vitae
b (gray matter)
cerebellar cortex
vermis
cerebellar peduncle
a
arbor vitae
b
cerebellar cortex
c
cerebellar peduncle
a
medulla oblongata
a
arachnoid villus
b
superior sagittal sinus
behind c
lateral ventricle (behind septum pellucidum)
between wall of d
third ventricle (between walls of thalamus)
e
cerebral aqueduct
f
fourth ventricle
a
lateral ventricle
b
third ventricle (between walls of the thalamus
c
cerebral aquaeduct
d
fourth ventricle
a
lateral ventricle
b
lateral aperture
c
fourth ventricle
d
median aperture
e
third ventricle
a
lateral ventricle
b
lateral aperture
c
fourth ventricle
d
median aperture
e
interventricular foramen
f
cerebral aquaeduct
choroid plexus
a
trochlear nerve (cn iv)
b
trigeminal nerv (cn v)
c
vestibulocochlear nerve (cn viii)
d
glossopharangeal nerve (cv ix)
e
vagus nerve (cn x)
f
abducens nerve (cn xi)
g
optic nerve (cn ii)
h
facial nerve (cn vii)
i
hypoglossal nerve (cn xii)
j
abducens nerve (cn vi)
a
trochlear nerve (cn iv)
b
trigeminal nerve (cn v)
c
vestibulocochlear nerve (cn viii)
d
glossopharyngeal nerve (cn ix)
e
vagus nerve (cn x)
f
accessory nerve (cn xi)
g
optic nerve (cn ii)
h
facial nerve (cn vii)
i
oculomotor nerve (cn iii)
j
abducens nerve (cn xi)
k
hypoglossal nerve (cn xii)
a
facial nerve (cn vii)
b
vestibulocochlear nerve (cn viii)
c
glossopharyngeal nerve (cn ix)
d
vagus nerve (cn x)
e
accessory nerve (cn xi)
f
abducens nerve (cn vi)
g
hypoglossal nerve (cn xii)
a
optic nerve (cn ii)
b
oculomotor nerve (cn iii)
c
abducens nerve (cn vi)
d
hypoglossal nerve (cn xii)
e
trochlear nerve (cn iv)
f
trigeminal nerve (cn v)
g
vestibulocochlear nerve (cn viii)
h
facial nerve (cn vii)
a
glossopharyngeal nerve (cn ix)
b
vagus nerve (cn x)
c
accessory nerve (cn xi)
a
cn i
b
cn ii
c
cn iv
d
cn v
e
cn vi
f
cn viii
g
cn ix
h
cn x
i
cn xi
j
cn iii
k
cn vii
l
cn xii
a
cn ii
b
ophthalmic division of cn v
c
maxillary division of cn v
d
mandibular division of cn v
e
cn v
f
cn vii
g
cn viii
h
cn i
i
cn iii
j
cn vi
k
cn ix
l
cn x
m
cn xi
n
cn xii
a
lateral cord
b
axillary nerve
c
musculocutaneous nerve
d
median nerve
e
posterior cord
f
medial cord
g
radial nerve
h
ulnar nerve
a
posterior cord
b
medial cord
c
radial nerve
d
ulnar nerve
e
lateral cord
f
axillary nerve
g
musculocutaneous nerve
h
median nerve
a
lateral cord
b
musculocutaneous nerve
c
median nerve
d
medial cord
e
ulnar nerve
a
medial ord
b
posterior cord
c
axillary nerve
d
ulnar nerve
e
lateral cord
f
musculocutaneous nerve
g
median nerve
a
lateral cord
b
posterior cord
c
medial cord
a
posterior cord
b
medial cord
c
lateral cord
a
lateral cord
b
medial cord
a
posterior cord
b
medial cord
c
lateral cord
a
musculocutaneous nerve
b
median nerve
c
ulnar nerve
a
ulnar nerve
b
musculocutaneous nerve
c
median nerve
a
musculocutaneous nerve
b
ulnar nerve
c
median nerve
a
ulnar nerve
b
musculocutaneous nerve
c
median nerve
a
ulnar nerve
b
median nerve
a
axillary nerve
b
radial nerve
a
radial nerve
b
axillary nerve
a
radial nerve
a
femoral nerve
b
obturator nerve
a
femoral nerve
b
obturator nerve
a
femoral nerve
a
sciatic nerve
b
deep peroneal nerve
c
superficial peroneal nerve
d
common peroneal nerve
e
tibial nerve
a
sciatic nerve
b
common peroneal nerve
c
tibial nerve
a
sciatic nerve
b
common peroneal nerve
c
tibial nerve
sciatic nerve
a
common peroneal nerve
b
superficial peroneal nerve
c
deep peroneal nerve
d
sciatic nerve
e
tibial nerve
a
common peroneal nerve bifricating into superficial peroneal nerve and deep peroneal nerves
b
sciatic nerve bifricating into common peroneal and tibial nerves, with deep peroneal nerve on anterior of lower leg
a
deep peroneal nerve
b
superficial peroneal nerve
