TOPIC 7C. The unilocular stomach, blood supply and innervation

Question 1

unilocular stomach

Answer 1

single chambered

Question 2

what kind of stomach do carnivores have

Answer 2

simple glandular

Question 3

what kind of stomach do eq, sus have

Answer 3

simple composite - pars glandularis and non-glandularis

Question 4

what kind of stomach do ruminants have

Answer 4

complex composite - pars glandularis (omasum) and pars non-glandularis (abomasum, rumen and reticulum)

Question 5

major division of stomach

Answer 5

pars cardiaca
fundus ventriculi
corpus ventriculi
pars pylorica
curvatura major and minor
facies parietalis and visceralis
incisura angularis

Question 6

layers of the stomach

Answer 6

mucosa
submucosa
muscularis
peritoneum

Question 7

what are the two parts of the mucosa marked by in eq

Answer 7

margo plicatus

Question 8

name the two types of muscle in the muscular layer of the stomach

Answer 8

circular - sphincter muscles of pyloris and cardiac region

longitudinal - longitudinal and external and internal oblique

Question 9

where is incisura angularis

Answer 9

curvature minor

Question 10

name the 3 regions of gastric glands in the stomach

Answer 10

cardiac, plyoris and gastric

Question 11

whats secreted in cardiac and pyloric glandular regions

Answer 11

mucous

Question 12

what cells are in gastric region of stomach

Answer 12

parietal - H+, cl-, b12 absorption
chief - pepsinogen
neck - mucous

Question 13

what arteries supply the stomach

Answer 13

a coeliaca branches:
a lienalis
a hepatica
a gastrica sin

Question 14

where do veins end up after draining stomach

Answer 14

vena portae - liver

Question 15

what nerves innervate the stomach

Answer 15

PS - n vagus

S - reach stomach through arteries

Question 16

suspension of stomach

Answer 16

mesogastrum

Question 17

dorsal suspension of stomach

Answer 17

omentum major
lig gastrophrenicum
lig gastrolienale
lig phrenicolienale
lig lienorenale (eq)

Question 18

ventral suspension of stomach

Answer 18

omentum minor
lig hepatogastricum
lig hepatoduodenale

Question 19

which lig suspending the stomach dorsally is only found in eq

Answer 19

lig lienorenale