HISTOLOGY OF ACCESSORY DIGESTIVE ORGANS

Question 1

Branched, tubulo-alveolar glands that secrete saliva into the oral cavity

Answer 1

Branched, tubulo-alveolar glands that secrete saliva into the
oral cavity

Question 2

3 Nature of secretion

Answer 2

o Mucous
o Serous
o Mixed

Question 3

Site of opening of ducts

Answer 3

o Oral cavity
o Oral vestibule

Question 4

Ductal system

Answer 4

o Intercalated duct
▪ Simple cuboidal
o Striated duct
▪ Simple columnar with some striations
o Interlobular duct
▪ Simple columnar

Question 5

Duct in parotid glands:

Answer 5

Stensen’s duct

Question 6

Duct in Submandibular/Sub
maxillary glands:

Answer 6

Wharton’s duct

Question 7

Duct in Sublingual glands:

Answer 7

Bartholin
Rivinus

Question 8

Secretion in
1) Parotid:
2) Submandibular/Sub maxillary
3) Sublingual

Answer 8

1) Parotid: PURELY SEROUS
2) Submandibular/Sub maxillary: Mixed
predominantly serous
3) Sublingual: Mixed
predominantly mucous

Question 9

There are purely dark staining structures which is purely serous

Answer 9

PAROTID GLAND

Question 10

Found in the epigastric area

Answer 10

PANCREAS

Question 11

Exocrine of pancreas:

Answer 11

Pancreatic acini

Question 12

Endocrine of pancreas:

Answer 12

o Islets of Langerhans
▪ Alpha cells – glucagon
▪ Beta cells – insulin
▪ Delta cells – somatostatin
▪ C cells
▪ E cells
▪ F cells
▪ Pp cells

Question 13

shape of GALL BLADDER

Answer 13

Pear-shaped

Question 14

LP of GALL BLADDER: Characteristic feature

Answer 14

P: LCT with mucosal folds called Rokitansky Aschoff sinuses

Question 15

Largest glandular organ

Answer 15

Liver

Question 16

Function of liver:

Answer 16

o Bile secretion
o Food processing and storage
o Synthesis of fibrinogen, prothrombin, plasma proteins,
heparin
o Detoxification (site of drug detoxification)
o Blood glucose concentration and maintenance
▪ Because of the process in the biochemistry called
glycogenolysis or gluconeogenesis
o Synthesis of cholesterol and production of urea
o Lipid metabolism

Question 17

A polygonal prism that appears hexagonal

Answer 17

Hepatic Lobule

Question 18

Number of Portal area

Answer 18

Six portal area

Question 19

Hepatic lobule consist of:

Answer 19

Portal vein, hepatic artery, and bile duct

Question 20

Polygonal or polyhedral in shape

Answer 20

HEPATOCYTES

Question 21

Are intracellular channels between the hepatocytes

Answer 21

BILE CANALICULI

Question 22

Empty into the smallest bile duct lined by cuboidal cells and
called the

Answer 22

canals of Herring

Question 23

HEPATIC SINUSOIDS: Flattened cells with small, elongated dark staining nucleus and an attenuated cytoplasm

Answer 23

Endothelial cells (non-phagocytic cells)

Question 24

Stellate shaped with processes containing engulfed
erythrocytes, pigments, and granules rich in iron

Answer 24

Von-Kupffer cells (phagocytic cells)

Question 25

Also known as interstitial cells or lipocytes

Answer 25

Fat storing cells (lto cells)

Question 26

Characteristic of liver

Answer 26

DISSE’S SPACE

Question 27

Centrally located in the lobules

Answer 27

CENTRAL VEIN