lab 7 part 2

Question 1

liver

-functions

Answer 1

• bile production
• metabolic regulation
• blood processing

Question 2

liver

-located where

Answer 2

in the upper right quadrant or the right hypochondriac and epigastric regions

Question 3

falciform ligament

Answer 3

divides the liver into the right and left

Question 4

2 smaller lobes

Answer 4

quadrate and the caudate

Question 5

lobes of the liver

• number
• definition

Answer 5

4

-composed of functional units called lobules

Question 6

lobules

• shape
• how are they separated from each other
• at each point it contains
• consists of

Answer 6

• hexagonal
• by a thin septum
• hepatic triad or portal area
• hepatocytes

Question 7

hepatic triad or portal area contains

Answer 7

-branches of the hepatic artery, hepatic portal vein and bile duct

Question 8

hepatocytes

Answer 8

radiate outward from a central vein

Question 9

sinusoids

Answer 9

channels for blood flow in liver that separate hepatocytes

Question 10

blood flow in liver lobule

Answer 10

blood flows from the branches of the hepatic portal vein and the hepatic artery in the hepatic triad enters sinusoids

Question 11

kupffer cells

• type of cells
• function

Answer 11

• phagocytic cells

- line sinusoids and remove debris and foreign material as the blood passes by

Question 12

bile

• produced by
• secreted into

Answer 12

• hepatocytes

- narrow channels called bile canaliculi

Question 13

right and left hepatic ducts form

Answer 13

common hepatic duct

Question 14

how is common bile duct formed

Answer 14

common hepatic duct and cystic duct

Question 15

how is pancreatic ampulla formed

Answer 15

by common bile duct and pancreatic duct

Question 16

bile will enter duodenum though

Answer 16

the pancreatic ampulla

Question 17

hepatopancreatic sphincter

Answer 17

controls bile released into the duodenum

Question 18

does blood flow into or out of liver lobule

Answer 18

in and bile out

Question 19

flow of bile

Answer 19

right and left hepatic duct -> common hepatic duct -> cystic duct -> gallbladder -> common bile duct -> ampulla -> duodenum

Question 20

gallbladder

-function

Answer 20

store and concentrate bile

Question 21

small intestine

-3 subdivisions

Answer 21

1. duodenum
2. jejunum
3. ileum

Question 22

ileum

Answer 22

connects to the large intestine at the ileocecal valve

Question 23

plicae circulares

Answer 23

permanent folds of mucous

Question 24

lamina propria

• location
• contains

Answer 24

• inside each villus

- contains a blood capillary and lymphatic vessel called a lacteal to absorbed digested nutrients

Question 25

intestinal glands - aka - function - location

Answer 25

- crypts of Lieberkuhn | - produce new epithelial cells and brush border enzymes

Question 26

brush border enzymes

Answer 26

assist in the final stages of chemical digestion

Question 27

submucosal glands - aka - location - function

Answer 27

- Brunner's glands - in submucosa of duodenum - secrete an alkaline mucous to protect the mucosa from the acidic chyme of the stomach

Question 28

lymphoids nodules of the sm intestine - location - function

Answer 28

- ileum | - protect the mall intestine from bacteria inhabiting the nearby large intestine

Question 29

large intestine - length - 3 functions - 3 subdivisions

Answer 29

- 5ft - 1. absorbs water and several vitamins produced by bacteria of the colon 2. forms and stores feces 3. eliminates feces from body - cecum, colon and rectum

Question 30

ileocecal sphincter

Answer 30

guards entrance to LI

Question 31

cecum - definition - what attaches to it

Answer 31

blind pouch that hangs below the ileocecal valve | -vermiform appendix

Question 32

colon | -4 sections

Answer 32

1. ascending 2. transverse 3. descending 4. sigmoid

Question 33

colon contains

Answer 33

haustra

Question 34

haustra - definition - function - how are pouches created

Answer 34

- series of pouches - permit the colon to distend - the contraction of the longitudinal muscles called the taeniae coli

Question 35

rugae - definition - function

Answer 35

- ridges in stomach mucosa | - helps stomach stretch

Question 36

spleen

Answer 36

filters blood and removes damaged RBC