-
_____ develops as an outgrowth of embryonic liver.
Pancreas
-
Describe the location of the pancreatic structure in lampreys and lungfishes.
Pancreatic cells are embedded in the intestinal wall.
-
The exocrine gland portion synthesizes and secretes digestive enzymes such as _____, _____, _____, and _____.
- Pancreatic lipase
- Pancreatic amylase
- Trypsin
- Chymotrypsin
-
The endocrine gland portion of the pancreas consists of scattered patches of cells called _____.
Islets of Langerhans
-
In Islets of Langerhans alpha cells secrete ______ and beta cells secrete _____.
-
_____ and _____ are the primary sites of digestion and absorption in most vertebrates.
-
Surface area in the intestine varies greatly amoung vertebrates based on: _____ and _____.
- Type of food eaten
- Activity level/ metabolism
-
Jawless fishes, elasmobranchs, primitive bony fishes have a simple straight tube, with internal surface area increased by a _____.
Spiral valve
-
Amphibians and reptiles are first to show division of _____ and _____.
- Large intestine
- Small intestine
-
In birds and mammals the intestine is much longer, it is the longest in _____ species.
herbivorous
-
Intestinal villi continue into the large intestine in _____ but not _____.
-
The mammalian small intestine is divided into three distinct regions based on _____.
Degree of vascularity and type and number of glands.
-
What are the three regions of the mammalian small intestine?
-
What is the function of the cecum?
sight of digestion of cellulose and absorption of fermentation products in non-ruminants.
-
What is the function of the large intestine?
main site of water resorption and consolidation of feces.
-
What is function of cloaca?
This is a chamber that receives excretory and reproductive ducts.
-
What are the openings of the cloaca?
Cloacal aperature and anus
-
In mammals the _____ is lost and is replaced by the rectum and urogenital passages.
cloaca
|
|