lip

cheek

hard palate

oral cavity

tongue

teeth

pig

Rabbit

horse

dog

cardia gland area

pyloric gland area

gastric fundic gland area

ox

sheep

forestomach

abomasum

A groove-like structure that runs through the rumen, reticulum, and omasum

Able to deliver water or other liquids directly into the abomasum

Curved in a "B" shape or a "U" shape, Originates from the pylorus and is followed by the jejunum, The openings of the pancreas and bile duct, There are 1 to 2 catheters

Pancreatic juice rich in various digestive enzymes is injected into the duodenum through a catheter

Similar to the liver, bile from the gallbladder flows into the duodenum through the hepatic duct. To assist fat digestion

the longest section of the small intestine

Well developed mesentery

Larger range of activities

There are many twists and turns, surrounding the colon in a garland shape.

Function

connective bowel

shorter, The intestines are straight, The pipe wall is thicker

Ileocecal opening leads to cecum

The ileum and cecum are connected by the ileocecal ligament

blind sac-like

One end is connected to the ileum with the ileocecal opening. One end leads to the colon through a blind knot

Food that is not fully digested in the small intestine of herbivores Fermentation and digestion will be carried out again in the cecum, to better obtain nutrients

Ascending colon

transverse colon

Descending colon

Function

located in pelvic cavity

There is serosa on the anterior surface, The mesentery is used to hang the ventral side of the sacral vertebrae, There is no serosa on the posterior surface, Connected to surrounding organs through loose connective tissue

Communicates with the outside world through the anus