nerveys and reproduction for lab

Question 1

CN 1

Answer 1

olfactory (sensory, smells)

Question 2

CN 2

Answer 2

optic (sensory) sight

Question 3

CN 3

Answer 3

occulomotor (motor) moves eye, eyelid, pupil reflex

Question 4

CN 4

Answer 4

trochlear (motor) sup. oblique

Question 5

CN 5

Answer 5

trigeminal (both) face, chewing

Question 6

CN 6

Answer 6

abducens (motor) lateral rectus

Question 7

CN 7

Answer 7

facial (both) face, tongue movement

Question 8

CN 8

Answer 8

vestibulocochlear (sensory) hearing, balance

Question 9

CN 9

Answer 9

glossopharyngeal (both) swallowing

Question 10

CN 10

Answer 10

vagus (both) involuntary motion and sensory

Question 11

CN 11

Answer 11

only amniotes. accessory (motor) - head rotation

Question 12

CN 12

Answer 12

only amniotes. hypoglossal (motor) tongue, swallowing

Question 13

gyrus

Answer 13

the bulgy parts of the brain

Question 14

sulcus

Answer 14

the grooves between gyri

Question 15

cerebrum

Answer 15

the big two lobed part

Question 16

cerebellum

Answer 16

the little part

Question 17

dorsal brain parts

Answer 17

cerebrum (sulci, gyri), cerebellum, spinal cord

Question 18

olfactory bulb (sheep)

Answer 18

slightly bulbous very front, lateral part of ventral brain

Question 19

optic chiasma

Answer 19

bulb at dead center behind olfactory bulbs. juncture of optic nerves

Question 20

cerebral peduncle

Answer 20

structures around occulomotor nerve in middle of ventral cerebrum. attach cerebrum to brainstem

Question 21

pons

Answer 21

between the peduncles, between trigeminal nerves. transmits signals btwn cerebrum and cerebellum

Question 22

ventral brain parts

Answer 22

olfactory bulb, optic chiasma, cerebral peduncle, pons

Question 23

pineal gland

Answer 23

center saggital, produces melatonin

Question 24

ureter

Answer 24

tube from kidney to bladder

Question 25

vas deferens

Answer 25

transports sperm to urethra

Question 26

uterine horns

Answer 26

site of implantation and embryonic development

Question 27

vulva

Answer 27

covers vaginal opening

Question 28

oviduct purpose

Answer 28

site of fertilization

Question 29

prostate gland

Answer 29

contributes seminal fluid

Question 30

cortex

Answer 30

outer, dark part of kidney. removes waste from blood

Question 31

medulla

Answer 31

inner, light part of kidney. regulates water reabsorption

Question 32

kidney purpose

Answer 32

filters waste out of blood

Question 33

ductus deferens

Answer 33

seminal duct from testes in shark, goes down dorsal middle until kidneys

Question 34

shark testes

Answer 34

dorsal and anterior structures

Question 35

shark kidney

Answer 35

kind of on the dorsal body wall, starts after ductule, posterior above anus

Question 36

shark epididymus

Answer 36

knot of tubules between the testes and ductus deferens.

Question 37

seminal vesicle

Answer 37

kind of on the dorsal body wall below kidney, near anus

Question 38

sperm sac

Answer 38

sacs below seminal vesicle

Question 39

urogenital papilla

Answer 39

process through which urogenital products empty into the cloaca

Question 40

mesotubarium

Answer 40

in sharks, suspends oviduct and covers dorsal body wall (kidneys etc)

Question 41

oviduct sharks

Answer 41

tube from ovary to uterus on outside of mesotubarium

Question 42

uterus sharks

Answer 42

pouch on either side in front of kidneys

Question 43

olfactory bulb sharks

Answer 43

rostral in front of eye sockets, same color as brain. contains CN 1

Question 44

olfactory tract

Answer 44

connects olfactory bulb to brain

Question 45

cerebrum sharks

Answer 45

between olfactory bulbs and cerebellum, looks like uterus

Question 46

cerebellum sharks

Answer 46

the part that looks like the main brain, caudal

Question 47

optic lobe/tectum

Answer 47

2 lobes in between cerebrum and cerebellum

Question 48

medulla oblongata in sharks

Answer 48

after cerebellum splits and then forms the spinal cord further back

Question 49

eye muscles on sharks in order of rostral to caudal

Answer 49

medial rectus, superior oblique, superior rectus, lateral rectus

Question 50

nerves look like..

Answer 50

very white, typically thin strings

Question 51

corpus callosum

Answer 51

top of folded structure in the middle of forebrain. nerve bundle that connects the 2 hemispheres.

Question 52

fornix

Answer 52

structure under the fold of corpus callosum, above thalamus.

Question 53

cerebral aqueduct

Answer 53

hole between cerebellum and brainstem, allows CSF to flow

Question 54

medulla oblongata (sheep)

Answer 54

stem after forebrain, before spine

Question 55

thalamus

Answer 55

center, in front of the pineal gland, (a bit lower), relay station for signals and has a role in memory and sleep