Sensory Receptor

1
Evolution of the Digestive Tract
Sensory Receptor
Endothelial Muscular Cell
Gland Cell
Nutritive Cell
Food Particle
One holer
Coelenteron
Endoderm
Ectoderm
Mesoglia
2
Evolution of the Digestive Tract
intestine
Ventral nerve cord
One-way digestive system
3
Evolution of the Digestive Tract
gonad
mantle
anus
mantle cavity
mouth
gut
4
Parts of the Vertebrate Digestive Tract
Mouth
Foregut
Esophagus, Stomach, Liver, Pancreas, Cranial
Duodenum
Midgut
Caudal Duodenum, Small Intestines, 1/2 Large
Intestine
Hindgut
1/2 Large Intestine, Colon, Rectum
Anus
5
Differentiation of the Parts of the Vertebrate
Digestive Tract
mouth
foregut
midgut
anus
hindgut
6
Differentiation of the Vertebrate Digestive Tract
7
Parts of the Vertebrate Digestive Tract
8
Development of the Stomach
ventral
dorsal
ventral
dorsal
ventral
Stomach Curve
9
Development of the Stomach
Rotation
10
Development of the Pancreas
11
Development of the Pancreas
12
Development of the Duodenum
dorsal mesentery
gut lumen
13
Development of the Intestines
Frog
14
Development of the Intestines
Frog
15
Development of the Intestines
Midgut is wide open to the yolk sac
16
Development of the Intestines
17
Development of the Intestines
18
Development of the Intestines
19
Development of the Intestines
20
Development of the Intestines
21
Development of the Intestines
Cecal Diverticulum (appendix)
Cecum
Small Intestines
Mesentery
22
Development of the Large Intestines
Ascending Limb (midgut)
Descending Limb (hindgut)
23
Development of the Rectum Anus