Histo Digestive System

Question 1

consists of the oral cavity, the pharynx, the alimentary tract (canal), and the anal canal

Answer 1

digestive system

Question 2

secrete digestive enzymes or mucus to facilitate the digestion and transport of digested food

Answer 2

Intrinsic and extrinsic glands

Question 3

lie within the mucosa or submucosa of their organ of origin.

Answer 3

intrinsic glands

Question 4

communicate with their organ of origin through ducts

Answer 4

Extrinsic glands

Question 5

extrinsic digestive glands are the major salivary glands including?

Answer 5

Parotid
Sublingual and submandibular (submaxillary) glands;
Pancreas;
Liver.

Question 6

Organs of the digestive tract typically have 4 concentric coats outward from the lumen.

Answer 6

(1) Mucosa (mucous membrane),
(2) Submucosa
(3) Muscularis (muscularis extema)
(4) Ventitia or serosa.

Question 7

Mucosa has three components:

Answer 7

(a) the epithelium and its underlying basement membrane
(b) a thin underlying layer of loose, cellular connective tissue, the lamina propria
(c) a relatively thin Layer of smooth muscle called the muscularis mucosae.

Question 8

The latter may consist of both circular and longitudinally arranged layers

Answer 8

Mucosa

Question 9

is composed of a dense layer, irregularly arranged connective tissue that contains nervous tissue (the submucosal plexus of Meissner) as well as blood vessels.

Answer 9

submucosa

Question 10

consists of at least 2 layers of smooth muscle, an inner circular and ter longitudinal layer.

Answer 10

muscularis externa

Question 11

consists of a thin layer of loose connective tissue

Answer 11

Adventitia

Question 12

Digestive system is covered by

Answer 12

peritoneum

Question 13

The adventitial layer is called the?

Answer 13

Serosa

Question 14

accessory organs of the digestive glands:

Answer 14

(a) salivary glands
(b) liver
(c) pancreas

Question 15

alimentary canal, also called ?

Answer 15

gastrointestinal tract

Question 16

Is the continuous, muscular digestive tube that winds through the body. it digests food and absorbs the digested fragments through its lining into the blood.

Answer 16

alimentary canal or gastrointestinal tract

Question 17

organs of the alimentary canal are:

Answer 17

mouth
pharynx
esophagus
stomach
small atestine
large intestine

Question 18

Leads to the terminal opening or anus.

Answer 18

large intestine

Question 19

accessory digestive organs are:

Answer 19

Teeth
tongue
gallbladder, and a number of large digestive glands- the salivary glands, liver and pancreas