Anatomy Chapter 14

Front 1

oh oh oh to touch and feel virgin girls vaginas and hymens

Back 1

oh oh oh to touch and feel virgin girls vaginas and hymens

Front 2

what is the 1st cranial nerve?
what fibers is it made up of?

Back 2

olfactory
- sensory special
(smell)

Front 3

what is the 2nd cranial nerve?
what fibers is it made up of?

Back 3

optic
- sensory- special
(vision)

Front 4

what is the 3rd cranial nerve?
what fibers is it made up of?

Back 4

oculomotor
- motor

Front 5

what is the 4th cranial nerve?
what fibers is it made up of?

Back 5

trochlear
- motor

Front 6

what is the 5th cranial nerve?
what fibers is it made up of?
what are the 3 branches?

Back 6

trigeminal
- mixed (sensory and motor)
- ophthalmic branch
- maxillary branch
- mandibular branch

Front 7

what is the 6th cranial nerve?
what fibers is it made up of?

Back 7

abducens
- motor

Front 8

what is 7th cranial nerve?
what fibers is it made up of?

Back 8

facial
- mixed (motor, sensory, special)
(taste)

Front 9

what is the 8th cranial nerve?
what fibers is it made up of?

Back 9

vestibulocochlear
- sensory, special (balance and hearing)

Front 10

what is the 9th cranial nerve?
what fibers is it made up of?

Back 10

glossopharyngeal
- mixed: motor, sensory, special- sensory
(taste)

Front 11

what is the 10th cranial nerve? what fibers is it made up of?

Back 11

vagus
- mixed- motor, sensory, special- sensory
( taste)

Front 12

what is the 11th cranial nerve?
what fibers is it made up of?

Back 12

accessory
- motor

Front 13

what is the 12th cranial nerve?
what fibers is it made up of?

Back 13

hypoglossal
-motor

Front 14

found in vertebral canal surrounded by meninges
- continuous with medulla of brain stem at foramen magnum
- tapers to conus medullaris ends at intervertebral disc between lumbar V1 and lumbar V2

Back 14

spinal cord

Front 15

what are all nerve plexuses formed by?

Back 15

ventral primary rami

Front 16

why is there an increase in gray matter in cervical and lumbar spinal cord?

Back 16

to innervate limbs

Front 17

how many spinal cord segments are there?

Back 17

31 segments-- one for each spinal nerve

Front 18

this is the sensory root of spinal cord

Back 18

dorsal root

Front 19

this is motor root of spinal cord

Back 19

ventral root

Front 20

what kind of nerve is ventral primary ramus?

Back 20

mixed nerve

Front 21

what kind of nerve is spinal nerve?

Back 21

mixed

Front 22

what kind of nerve is dorsal ramus?

Back 22

mixed

Front 23

each spinal cord segment has what?

Back 23

- pair of dorsal roots (sensory axons)
- dorsal root ganglia- sensory neuron cell bodies
- pair of ventral roots (motor axons)

Front 24

sensory and motor roots unite distal to dorsal root ganglion emerge from.....

Back 24

intervertebral foramina

Front 25

what is inferior extension of ventral and dorsal roots?

Back 25

cauda equina

Front 26

specialized membranes that provide physical stability and shock absorption
3 layers

Back 26

spinal meninges

Front 27

what is the different between cranial meninges and spinal meninges?

Back 27

epidural space in spinal meninges has fat and veins in it

Front 28

this is made up of pia mater
- originates at tip of conus medullaris
- descends to SV2
- found in suarachnoid space

Back 28

filum terminalis

Front 29

where does the spinal cord end?

Back 29

conus medullaris

Front 30

what is cauda equina made up of?

Back 30

dorsal roots and ventral roots

Front 31

how are the 31 pairs of spinal nerves divided?

Back 31

8 cervical
12 thoracic
5 lumbar
5 sacral
1 coccygeal

Front 32

this ramus is sensory/ motor innervation to skin and muscles of back

Back 32

dorsal ramus

Front 33

this ramus is sensory/ motor innervation to skin and muscles of ventrolateral body surface body wall structures, limbs

Back 33

ventral primary ramus

Front 34

area of skin innervated by one of the spinal nerves

Back 34

dermatome

Front 35

what are hte 4 major nerve plexuses?

Back 35

1. cervical
2. brachial
3. lumbar
4. sacral

Front 36

what are the terminal branches of the brachial plexus?

Back 36

1. median nerve
2. ulnar nerve
3. musculocutaneous nerve
4. radial nerve
5. axillary nerve

Front 37

this nerve innervates deltoid and teres minor muscles

Back 37

axillary

Front 38

this nerve innervates coracobrachialis, biceps brachii, brachialis

Back 38

musculocutaneous

Front 39

this nerve innervates triceps brachii, brachioradialis, extensors of wrist and digits, abductor pollicis longus and supinator muscles

Back 39

radial nerve

Front 40

this nerve innervates
- pronator teres
- flexor carpi radialis
- flexor digitorum superficialis
- lateral 1/2 of flexor digitorum profundus
- flexor pollicis longus
- abductor pollicis brevis
- flexor pollicis brevis
- opponens pollicis muscles

Back 40

median nerve

Front 41

this nerve innervates
- flexor carpi ulnaris
- medial 1/2 of flexor digiorum profundus
- flexor abductor digiti minini
- abductor digiti minini
-opponens digiti minini
-adductor pollicis
- all palmar and dorsal interossei

Back 41

ulnar nerve

Front 42

the brachial plexus is made up of which spinal cord segments?

Back 42

C5- T1

Front 43

what are the 2 nerves of the lumbar plexus

Back 43

- femoral nerve
-obturator nerve

Front 44

what are the 5 nerves of the sacral plexus?

Back 44

1. superior gluteal nerve
2. inferior gluteal nerve
3. sciatic nerve
4. tibial nerve
5. common fibular nerve

Front 45

this nerve innervates
- quadricep
-sartorius

Back 45

femoral nerve

Front 46

this nerve innervates
- adductor magnus
-adductor longus
-adductor brevis
-gracilis

Back 46

obturator nerve `

Front 47

this nerve innervates
- gluteus maximus

Back 47

inferior gluteal nerve

Front 48

this nerve innervates
- gluteus medius, gluteal minimus, tensor fascia latae muscle

Back 48

superior gluteal nerve

Front 49

this nerve innervates
-semimembranous
- semitendinous
-1/2 adductor magnus
-1/2 biceps femoris
-gastrocenius
-soleus
-posterior tibalis
-flexor digitorum longus
- flexor hallicus longus

Back 49

tibial

Front 50

this nerve innervates
- fibularis longus
-fibularis brevis
-tibalis anterior
-extensor digitorum
-extensor hallicis

Back 50

fibular nerve

Front 51

what nerve is in cervical plexus?

Back 51

phrenic nerve

Front 52

what spinal cord segments does the cervical plexus arise from?

Back 52

C3-C5

Front 53

what spinal cord segments does the lumbar plexus arise from?

Back 53

t12-l4

Front 54

what spinal cord segments does the sacral plexus arise from?

Back 54

L4-S4