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Flashcards in Digestion part 2 Deck (63)
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1

Adaptations of the alimentary canal

length
diameter
folds in lining
spiral valves
regionalization

2

expanded part of esophagus

crop

3

expanded part of intestine

cecum

4

extensions off stomach in fish

pyloric ceca

5

outpocketings

diverticula

6

fold in lining

rugae and plicae circularis

7

spiral channel through tube to increase surface area

spiral valve

8

lamprey digestive system

straight tube mouth to anus
ciliated esophagus
no stomach
larvae to adult- develop new esophagus

9

new esophagus in lamprey because

allows feeding via oral disc with ventilation of gills

10

general fish digestive system

great variability in alimentary canals
J-shaped stomach

11

elasmobranch digestive system

stomach muscle
spiral valve in intestine

12

teleost digestive system

no spiral valve
0-200 pyloric ceca

13

amphibians digestive system

short esophagus
stomach
coiled small intestine
short straight large intestine
cloaca

14

lizards have

muscular stomachs

15

crocodilians have

gizzards
glandular stomach anterior to gizzard

16

part of stomach with thick muscle walls that grinds good against hard objects

gizzards

17

herbivorous reptiles

distinct large intestine
cecum posterior small intestine

18

cloaca is made of two parts in reptiles

coprodeum
urodeum

19

birds digestive system

crop off esophagus
glandular stomach
gizzard
small intestine (duodenum and ilium)
short, straight large intestine

20

birds glandular stomach

proventricuus

21

mammal digestive system

no grop
no gizzard
long coiled small intestine
long large intestine
monotremes have cloaca
eutherians have rectum and anus

22

ruminants

rumen
reticulum
omasum
abomasum

23

ruminant true stomach

abomasum

24

empty secretions into buccal cavity via ducts
more characteristic of tetrapods than aquatic vertebrates

oral glands

25

lubricate food and surfaces
start chemical digestion

salivary and mucus glands

26

three main salivary glands

mandibular
sublingual
parotid

27

what products do salivary glands make

mucus
ions
amylase (carb digestion)

28

secret toxins and digestive agents/enzymes

venom glands

29

liver

secretes bile
receives blood from hepatic portal vein to process absorbed materials of small intestine

30

where is bile stored

gall bladder