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Biol 204 Lab > lab 7 - the digestive and urogenital systems > Flashcards

lab 7 - the digestive and urogenital systems Flashcards

1
Q

mesentery

A
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1
Q

peritoneum

A

transparent membrane lining the inside of the posterior body cavity

serous membrane, secretes lubricating fluid

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2
Q

serous membrane

A

secretes lubricating fluid

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3
Q

peritoneal cavity

A

posterior cavity in mammals and amphibians

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4
Q

thoracic cavity

A

most anterior cavity in mammals and amphibians

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5
Q

pericardial cavity

A

sharks anterior cavity

AND

the portion of a mammal/amphibians thoracic cavity surrounding the heart

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6
Q

pleural cavity

A

paired lateral cavities in mammals and amphibians surrounding the lungs (part of the thoracic cavity)

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7
Q

pleuroperitoneal cavity

A

sharks posterior body cavity

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8
Q

transverse septum

A

tough white membrane separating the sharks pericardial cavidy and pleuroperitoneal cavity

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9
Q

diaphragm

A

muscular structure separating the anterior and posterior cavities

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10
Q

fat bodies

A
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11
Q

buccal cavity

A
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12
Q

pharynx

A

just posterior to buccal cavity, identified by 5 pairs of gill slits

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13
Q

esophagus

A
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14
Q

stomach

A
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15
Q

rugae

A

longitudinal folds in the stomach

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16
Q

small intestine

A
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17
Q

duodenum

A

most anterior portion of the small intestine in the shark

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18
Q

ileum

A

posterior portion of the small intestine in the shark

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19
Q

large intestine

A
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20
Q

pancreas

A

accessory organ, from endoderm

evagination of the embryonic digestive tract

in shark - 2 lobes (ventral in the curve of the duodenum, dorsal in a ligament that projects towards the gastrosplenic ligament

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21
Q

liver

A

accessory organ, from endoderm

evagination of the embryonic digestive tract

in the shark - 3 lobes

extends posteriorly from the transverse septum

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22
Q

gallbladder

A

accessory organ, from endoderm

evagination of the embryonic digestive tract

greenish and located on the central love of the liver in sharks

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23
Q

bile duct

A

leads from the gallbladder to the duodenum

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24
Q

cardiac sphincter

A

where the esophagus ends, opens into the stomach

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25
Q

pyloric sphincter

A

sphincter at the most posterior end of the stomach

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26
Q

spiral valve

A

internal subdivision of the ilium in sharks

27
Q

plicae

28
Q

rectal gland

A

in the shark - salt excretion for osmoregulation

29
Q

rectum

A

in the shark - most posterior portion of the large intestine, empties into the cloaca

31
Q

cloaca

32
Q

spleen

A

organ of the circulatory system

attached to the greater curvature of the stomach via the gastrosplenic ligament

33
Q

caecum

34
Q

viviparous

A

females give birth to free living young

35
Q

euviviparous

A

development, nourishment, gas exchange provided directly by mother via placenta

36
Q

ovoviviparous

A

embryo develops in an egg capsule in reproductive tract of mother, yolk for nourishment

37
Q

oviparous

A

females lay eggs and development happens externally

38
Q

gonads

A

produce gametes and maintain secondary sex organs /secondary sex characteristics

in part from somatic hypomere mesoderm

39
Q

ovaries

A

gonads in females, produce large gametes (eggs/ova)

40
Q

testes

A

gonads in male produce small gametes (sperm)

41
Q

archinephric duct

A

in sharks - tubules on the ventral surface of the kidney, recieves sperm from vasa efferentia from testes as well as urine from the anterior kidney

42
Q

oviduct

A

silvery tubes on the ventral side of sharks kidneys

43
Q

ostium

A

opening of the oviducts through which eggs move through from the ovary

44
Q

claspers

45
Q

uterus

46
Q

vas deferens

47
Q

scrotum

48
Q

epididymis

49
Q

penis

50
Q

vagina

51
Q

seminal vesicle

52
Q

sperm sac

53
Q

accessory urinary duct

54
Q

urinary bladder

55
Q

opisthonephric

A

in sharks - opisthonephric kidneys flat grey bands along full length of pleuroperitoneal cavity dorsal to everything else so retroperitoneal

from mesomere mesoderm

56
Q

metanephric

57
Q

kidney

A

osmoregulation and/or secretion of nitrogenous wastes depending on taxa
functional unit: renal corpuscle (site of urine formation)

58
Q

ureter

59
Q

urethra

60
Q

adrenal gland

61
Q

functions of the peritoneum in shark, rattus, rana

62
Q

comparison of body cavities in shark, rattus, rana

A

in sharks - pericardial and pleuroperitoneal cavities sep. by the transverse septum

in mammals/amphibians - thoracic (including the pericardial and pleural cavities) sep from the peritoneal
- anterior and post sep by the diaphragm in mammals

63
Q

compare/contrast reproduction in shark, rattus, rana

64
Q

compare/contrast urine flow in sharks, rana, rattus

65
Q

compare and contrast route taken by reproductive system products in shark, rattus, rana

66
Q

greater vs lesser curvature of the stomach

A

greater curvature - the convex side of the stomach

lesser curvature - the concave side of the stomach

Biol 204 Lab (18 decks)

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