Anatomy 12 - The Digestive System • The Foregut Flashcards Preview

Second Year - Anatomy CA21007 > Anatomy 12 - The Digestive System • The Foregut > Flashcards

Flashcards in Anatomy 12 - The Digestive System • The Foregut Deck (46):
1

Where does the digestive system start and finish

It starts at the oral cavity and ends at the anal opening

2

What is the digestive system composed of

A smooth muscle tube with regional modifications and associated organs

3

What are the functions of the digestive system

To breakdown food and fluid, absorb required nutrients and water, and a waste removal system

4

How are the abdominal sections split into the foregut, midgut and hindgut

They are split based on the blood supply

5

Where does digestion begin

In the oral cavity

6

What does the teeth and tongue help form food into

A bolus

7

Where does the bolus travel to after the oral cavity

The pharynx

8

After the pharynx where does the bolus travel

To the oesophagus

9

What does the salivary glands release

Amylase

10

What is the function of amylase

To begin the breakdown of starch

11

What is the oesophagus

A muscular tube

12

Where does the oesophagus start and finish

The oesophagus starts at the inferior constrict of the pharynx and ends at the stomach

13

What is the foregut composed of

The distal oesophagus, stomach, liver, spleen, proximal duodenum and the pancreas.

14

What supplies the foregut with blood

Branches of the coeliac axis

15

Where does the coeliac axis sit

At T12 level of the aorta

16

Where does blood from the foregut drain into

The hepatic portal vein

17

The stomach turns food with digestive acid to create

Chyme

18

What does chyme pass through to get to the duodenum

The pyloric valve

19

What are the folds inside the stomach known as

Rugae

20

How many layers of muscle make up the stomach

Three

21

What are the three layers of muscles in the stomach

Longitudinal, circular and oblique

22

What is attached to the lesser curvature of the stomach

The lesser omentum

23

What is attached to the greater curvature of the stomach

The greater omentum

24

What is the omentum composed of

Sheets of peritoneum with layers of fat and blood vessels between the sheets

25

Where is the liver located

Under the right hemisphere of the diaphragm

26

How many lobes are on the anterior section of the liver

Two

27

What are the anterior lobes of the liver

The left lobe and the right lobe

28

What is between the anterior left and right lobes of the liver

The falciform ligament

29

How many lobes are on the posterior section of the liver

Four

30

What are the four posterior lobes of the liver

The left lobe, the right lobe, the quadrate lobe and the caudate lobe

31

What other structures are found on the posterior of the liver

The inferior vena cava and the porta hepatis

32

What enters/exits the liver via the porta hepatis

The hepatic artery, portal vein and bile duct

33

What is stored in the gall bladder

Bile produced by the stomach

34

What is the function of the gall bladder

To emulsify fats

35

If bile becomes concentrated in the gall bladder what can form

Gallstones

36

What are gallstones made of

Cholesterol and bile salts

37

Where can gallstones get stuck

In the cystic or bile ducts

38

What is the function of the spleen

To breakdown old red blood cells and form new immune T and B cells

39

What ribs protect the spleen

The 9. 10 and 11 left ribs

40

Where does the duodenum start and end

It starts at the pyloric valve and ends at the jejunum

41

What is the first part of the duodenum

The duodenal cap

42

What is the second part of the duodenum

The loop around the head of the pancreas, duodenal papilla entrance to the bile duct and pancreatic duct

43

What is the third part of the duodenum

The transverse section

44

What crosses the transverse section of the duodenum

The superior mesenteric vessels

45

What is the forth part of the duodenum

It ascends to join the jejunum

46

The duodenum is a junction between

The foregut and midgut