Digestive system-Lab Flashcards
Upper digestive system
Pharynx
Esophagus
Stomach
Lower digestive system
Small intestines
Large intestines
Rectum
Esophagus
Dorsal to the trachea
Stomach
Cardia Cardiac sphincter Fundus Corpus (body) Pylorus
Pylorus
Pyloric antrum
Pyloric canal
Pyloric sphincter
Pyloric antrum
the portion of the pylorus facing the corpus
Pyloric canal
The portion of the pylorus facing the duodenum
Pyloric sphincter
Surrounds the end of the pyloric canal
Ruminant Stomach
Reticulorumen
Omasum
Abomasum
Rumen
Internal papillae
not present in all ruminants
Reticulum
Honey-comb like structure
Omasum
Pages of a book
Abomasum
Smooth
may still have rugae
Cells of the stomach
Parietal cells
G-cells
Chief cells
Goblet cells
Small intestines
3 sections
Duodenum
Jejunum-largest
Ileum
Peyer’s patches
Lymphoid tissues found in all sections of the small intestines
Gastointestinal Mucosa: Rugae
Inner mucosa of the stomach
Allows the stomach to stretch
Gastrointestinal Mucosa: Plicae
Inner mucosa of the intestines
Increase the surface area of the intestines
Cecum
Larger in herbivores-horses and rabbits
Found at the Ileocolic junction
Large intestines
Ascending colon
Transverse colon
Descending colon
The colon is dorsal to the small intestines
Mesentery
Attachments:
The small and large intestine
Dorsal peritoneal wall
Greater omentum attachments
The greater curvature of the stomach
A portion of the duodenum
Spleen
Peritoneal wall
Lesser omentum attachments
Cranial stomach-lesser curvature
Caudal liver
Peritoneum
The membrane of the abdomen
