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Chapter 14
Exam 2
81
Anatomy
Undergraduate 1
03/04/2011

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Term
nucleus
Definition
collection of neronal cell bodies in the CNS
Term
functions of the basal nuclei
Definition
control muscle tone, coordination of learned activities
Term
thalamus corrdinates ___
Definition
motor activities
Term
thalamus is the
Definition
principla relay center; sensory. it integrates sensory and motor pathways
Term
hypothalamus controls
Definition
circadian cycles, autonomic function, and involuntary somatic motor activities
Term
hypothalamus coordinates
Definition
nervous and endocrine activities and voluntary and autonomic functions
Term
hypothalamus secretes
Definition
hormones
Term
hypothalamus produces
Definition
emtions and behavioral drives
Term
hypothalamus regulates
Definition
body temperature
Term
function of substantia nigra
Definition
regulates activity in the basal nuclei
Term
pons
Definition
relays of information to and from cerebral cortex; to cerebellum
Term
espiratory centers of pons
Definition
modifies respiratory centers in the medulla
Term
cerebellum
Definition
coordinates muscle movement
Term
medulla oblongata
Definition
connects the brain to the spinal cord
Term
function of cardiovascular center of medulla oblongata
Definition
regulates heart rate
Term
function of respiratory center of medulla oblongata
Definition
sets pace of respiratory movements
Term
cranial nerves
Definition
inferior surface of the brain as it appears on gross dissection
Term
cranial nerve 1/I
Definition
olfactory; sensory-special
Term
cranial nerve 2/II
Definition
optic; sensory-special
Term
cranial nerve 3/III
Definition
oculomotor, motor
Term
cranial nerve 4/IV
Definition
trochlear, motor
Term
cranial nerves 6/VI
Definition
abducens; motor
Term
cranial nerve 5/V
Definition
trigeminal; sensory and motor- mixed
Term
cranial nerve 7/VII
Definition
facial; mixed: motor-sensory-special
Term
cranial nerve 8/VIII
Definition
vestibulocochlear; sensory-special
Term
cranial nerve 9/IX
Definition
glossopharyngeal; mixed: motor-sensory-special-sensory
Term
cranial nerve 10/X
Definition
vagus; mixed: motor-sensory-special-sensory
Term
cranial nerve 11/XI
Definition
accessory: motor
Term
cranial nerve 12/XII
Definition
hypoglossal: motor
Term
smell
Definition
olfactory nerve CN1
Term
vision
Definition
optic nerve CN2
Term
hearing
Definition
vestibulocochlear nerve CN8
Term
balance
Definition
vestibulocochlear nerve CN8
Term
taste
Definition
facial nerve CN7, glossopharyngeal nerve CN9, vagus nerve CN10
Term
spinal cord found
Definition
in vertebral canal surrounded by meninges
Term
spinal cord tapers to and ends at
Definition
conus medullaris, edns at intervertebral disk between LV1 and LV2
Term
___ and ___ enlargements increase in gray matter to innervate limbs
Definition
cervical and lumbar
Term
dorsal root
Definition
sensory
Term
ventral root
Definition
motor
Term
spinal nerve
Definition
mixed
Term
ventral primary ramus
Definition
mixed
Term
dorsal ramus
Definition
mixed
Term
__ # of spinal cord segements
Definition
31
Term
pair of dorsal roots
Definition
sensory axons
Term
dorsal root ganglia
Definition
sensory neuron cell bodies
Term
pair of ventral roots
Definition
motor axons
Term
spinal nerves emerge from
Definition
intervertebral foramina
Term
___ is inferior extension of ventral and dorsal roots
Definition
cauda equina
Term
spinal meninges
Definition
specialized membranes that provide physical stability and shock absorption
Term
three layers of spinal meninges
Definition
dura mater, arachnoid, pia mater
Term
filum terminalis made up of
Definition
pia mater
Term
filum terminalis originates and decends
Definition
tip of conus medullaris, decends to SV2
Term
filum terminalis found in
Definition
subarachnoid space
Term
cauda equina made up of
Definition
dorsal roots and ventral roots
Term
gray matter in center of cells bodies of neurons and glia parts
Definition
horns
Term
white mater in transverse section of spinal cord
Definition
peripheral myelinated an dunmyelinated axons or tracts or columns
Term
# of cervical spinal nerves
Definition
8
Term
# of thoracic spinal nerves
Definition
12
Term
# of lumbar spinal nerves
Definition
5
Term
# of sacral spinal nerves
Definition
5
Term
# of coccygeal spinal nerves
Definition
1
Term
epineurium
Definition
around whole nerve
Term
perineurium
Definition
around fascicles-- bundles of axons
Term
endoneurium
Definition
around individual axons
Term
dorsal ramus sensory/motor innervation to
Definition
skin and muscle of back
Term
ventral primary ramus sensory/motor innervation to
Definition
skin and muscles of ventolateral body surface body wall structures, limbs
Term
dermatome
Definition
area of skin innervated by one of spinal nerve; sensory innervation
Term
all plexuses of nerves are formed by
Definition
ventral primary rami
Term
axillary nerve
Definition
deltoid and teres minor
Term
musculocutaneous nerve
Definition
coracobrachialis, biceps brachii, and brachialis muscles
Term
radial nerve
Definition
triceps brachii, brachioradialis, extensors of wrist and digits, abductor pollicis longus and supinator muscles
Term
median nerve
Definition
pronator teres, flexor carpi radialis, flexor digitorum superficialis, lateral half of flexor digitorum profundus, flexor pollicis longus, abductor pollicis brevis, flexor pollicis brevis, opponens pollicis muscles
Term
ulnar nerve
Definition
flexor carpi ulnaris, medial half of flexor digitorum profundus, flexor abductor digiti minimi, abductor digiti minimi and opponens digiti minimi, adductor pollicis and all palmar and dorsal interossei muscles
Term
femoral nerve and obturator nerve part of the
Definition
lumbar plexus
Term
superior gluteal nerve, inferior gluteal nerve, sciatic nerve, tibial nerve, and common fibular nerve are part of the
Definition
sacral plexus
Term
femoral nerve
Definition
quadriceps muscle, sartorius muscle
Term
obturator nerve
Definition
adductor magnus, adductor longus, adductor brevis, gracilis
Term
inferior fluteal nerve
Definition
gluteus maximus
Term
superior gluteal nerve
Definition
gluteus medius, gluteal minimus, tensor fascia latae
Term
tibial nerve
Definition
semimembranous, semitendinous, 1/2 adductor magnus, 1/2 biceps femoris, gastrocenius, soleus, posterior tibialis, flexor digitorum longus, flexor hallicus longus
Term
common fibular nerve
Definition
fibularis longus, fibularis brevis, tibalis anterior, extensor digitorum, extensor hallicis
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