Dogfish 2 Flashcards

1
Q

shiny epithelium lining heart cavity

A

Parietal pericardium

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2
Q

shiny epithelium covering heart

A

visceral pericardium

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3
Q

tissue separating pleuroperitoneal and pericardial cavities

A

transverse septum

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4
Q

chambers of heart

A

sinus venosus, atrium, ventricle, conus arteriosus

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5
Q

receives blood from heart, specifically conus arteriosus

A

ventral aorta

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6
Q

blood passes through these on its way to being oxygenated at gills (5 pairs)

A

afferent branchial arteries

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7
Q

carries blood away from gills, 4 pairs, pass dorseromedially into dorsal aorta

A

efferent branchial arteries

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8
Q

on roof of pharynx, supplies most of body with blood

A

dorsal aorta

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9
Q

first major paired branches of dorsal aorta

A

subclavian artery

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10
Q

arise from efferent branchial arteries, pass anteriorly and then join hyoidean artery

A

paired dorsal aortae

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11
Q

branching off paired dorsal aorta just anterior to first efferent branchial artery

A

hyoidean artery

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12
Q

internal carotid extends anteriorly and branches into this artery at level of spiracle, artery extends into chondrocranium

A

stapedial artery

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13
Q

union of hyoidean and paired dorsal arteries forms

A

internal carotid artery

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14
Q

first branch of dorsal aorta, continues posteriorly along right side of stomach

A

celiac artery

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15
Q

anterior one of two arteries that arise close together at the level of the spleen

A

anterior mesenteric artery

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16
Q

extension of anterior mesenteric artery onto intestine

A

posterior mesenteric artery

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17
Q

final paired branches of dorsal aorta, at level of cloaca, pass posterolaterally dorsal to kidneys toward pelvic fins

A

iliac artery

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18
Q

branches of iliac artery that separate before extending into pelvic fins

A

femoral artery

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19
Q

large vein that lies along the anterior part of the bile duct, confluence of 3 main vessels

A

hepatic portal vein

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20
Q

drains each side of the head and branchial region

A

anterior cardinal sinus

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21
Q

each posterolateral corner of the sinus venosus leads through this short but large vessel which receives blood from many main vessels and takes blood back to heart

A

common cardinal vein

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22
Q

lies dorsolateral to esophagus, large space bounded by a thin walled membrane, curves toward dorsal midline

A

posterior cardinal sinus

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23
Q

narrowing of posterior cardinal sinus, lateral to dorsal aorta

A

posterior cardinal vein

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24
Q

extends anteriorly along ventrolateral body wall

A

lateral abdominal vein

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25
Q

passes anteriorly through hemal arches of vertebrae

A

caudal vein

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26
Q

bifurcation of caudal vein

A

renal portal vein

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27
Q

lateral outer portion of the eye modified so that it is transparent

A

cornea

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28
Q

outer portion of eye that is not part of cornea

A

sclera

29
Q

pigmented structure visible through cornea

A

iris

30
Q

circular opening at centre of iris

A

pupil

31
Q

hard spherical structure inside eye ball

A

lens

32
Q

pigmented tissue that attaches to lens

A

cilliary body

33
Q

dark tissue internal to sclera

A

choroid

34
Q

light coloured layer internal to choroid

A

retina

35
Q

space housing eyeball

A

orbit

36
Q

nerve passing anteroposteriorly along dorsomedial wall of orbit

A

superficial ophthalmic nerve

37
Q

pass posterolaterally from anteromedial wall of orbit

A

dorsal and ventral oblique muscles

38
Q

radiate towards eyeball from posteromedial wall of orbit

A

dorsal, medial, lateral, and ventral rectus muscles

39
Q

provides support for eyeball

A

optic pedicle

40
Q

thin whitish strand passing anteroposteriorly through orbit and adhering to medial surface of eyeball

A

deep ophthalmic nerve

41
Q

thick, extending from medial wall of orbit laterally to eyeball

A

optic nerve

42
Q

ventral to ventral rectus muscle, thick nerve passing anteriorly, meets anteroventral orbital wall and subdivides

A

infraorbital nerve

43
Q

passes anteromedially across floor of orbit where infraorbital nerve subdivides

A

preorbitalis muscle

44
Q

just ventral to deep ophthalmic nerve, passes almost immediately ventrally around ventral rectus

A

oculomotor nerve

45
Q

nerve that passes to dorsal oblique muscle

A

trochlear nerve

46
Q

lies on posterior wall of orbit almost directly posterior to lateral rectus muscle extending laterally

A

mandibular nerve

47
Q

ducts of the ear

A

Anterior, posterior, and lateral semicircular ducts

48
Q

large triangular sac like structure extends between ducts

A

sacculus

49
Q

two cylindrical chambers closely associated with sacculus

A

anterior and posterior utriculi

50
Q

third nerve arising from anterior medulla just behind auricles of cerebellum, innervates ear

A

statoacoustic nerve

51
Q

extends dorsally from sacculus and reaches exterior of head through pores

A

endolymphatic duct

52
Q

thin strand like structure extending anteriorly from the epithalamus

A

epiphysis

53
Q

nerve arising from ventral surface of medulla passing anterolaterally to innervate lateral rectus muscle

A

abducens nerve

54
Q

first nerve arising from anterior medulla just behind auricles of cerebellum, divides into 4 nerves at orbit

A

trigeminal nerve

55
Q

arises posterior to statoacoustic nerve extending into first pharyngeal slit

A

glossopharyngeal nerve

56
Q

arises from fan like rootlets just posterior to glossopharyngeal nerve

A

vagus nerve

57
Q

extend laterally from spinal cord

A

spinal nerves

58
Q

most anterior part of brain, paired, narrow posteriorly

A

olfactory bulbs

59
Q

posterior to olfactory tracts

A

epithalamus

60
Q

side of epithalamus

A

thalamus

61
Q

floor of epithalamus

A

hypothalamus

62
Q

cavity in left cerebral hemisphere

A

third ventricle

63
Q

cavity in right cerebral hemisphere

A

lateral ventricle

64
Q

paired rounded structure posterior epithalamus

A

optic lobes

65
Q

partially overhangs optic lobes, looks like it has 4 lobes

A

cerebellum

66
Q

project on both sides of cerebellum

A

auricles

67
Q

posterior part of brain that narrows into the spinal cord

A

medulla oblongata

68
Q

cavity of medulla

A

fourth ventricle