Chapter 13 Part 8

Question 1

Liver

Answer 1

Detoxifies and removes toxic substances from the blood
- Bile is manufactured in the liver and released into the intestine to emulsify fats (break them up into smaller droplets)
- Carbohydrates, proteins, and fats are stored and metabolized in the liver

Question 2

Hepatic diverticulum

Answer 2

o Outgrowth of gut
o Made up of pancreatic/primordia, gallbladder primordium, liver primordium, and vitelline vein

Question 3

hepatic artery

Answer 3

supplies blood to liver

Question 4

Duodenum

Answer 4

o Both bile duct and main pancreatic duct join together to form single opening into duodenum(first part of small intestine)
o Bile and pancreatic juice secreted there

Question 5

Dorsal and ventral pancreatic buds

Answer 5

o Dorsal and ventral pancreatic rudiments may have independent ducts to the intestine (some fishes and amphibians) or they may merge, as in amniotes, to form a common pancreatic gland
o In amniotes, 2 parts of pancreas merge to form one single structure

Question 6

Bile

Answer 6

• Bile canliculi produces bile, stored in gallbladder
• Digestive fluid produced by the liver
• Breaks down fats into small molecules to be more easily absorbed, absorption of fats too

Question 7

Gallbladder

Answer 7

o Stores bile and releases in sufficient quantities when digesta enter the intestine

Question 8

Pancreas

Answer 8

o Release an alkaline exocrine product, pancreatic juice, composed primarily of the proteolytic enzyme trypsinogen, converted within the intestine to the active protease, trypsin
o Amylases for carbohydrate digestion and lipases for fat digestion are also secreted