Histology

Question 1

epithelium of the oral cavity, oropharynx and laryngopharynx

Answer 1

stratified squamous epithelium

Question 2

difference between the tongue anterior and posterior

Answer 2

posterior is smooth (lack of papillae)

Question 3

epithelium of the nasal cavity and nasopharynx

Answer 3

respiratory epithelium (pseudo stratified columnar epithelium)

Question 4

four tonsils located in the pharynx

Answer 4

palatine
lingual
tubal
pharyngeal

Question 5

epithelium of the oesphagus

Answer 5

stratified squamous epithelium

Question 6

epithelium of the stomach

Answer 6

simple columnar epithelium (pits and glands)

Question 7

epithelium of the small intestine

Answer 7

simple columnar epithelium (enterocytes, goblet, paneth, stem cells and crypts of Lieberkuhn)

Question 8

specialised cells in the duodenum

Answer 8

Brunner’s glands

Question 9

specialised cells in the ileum

Answer 9

Peyer’s patches

Question 10

epithelium of the large intestine

Answer 10

simple columnar epithelium

Question 11

anal canal epithelium

Answer 11

stratified squamous epithelium

Question 12

function of Brunner’s glands

Answer 12

produce alkaline mucous to neutralise chyme

Question 13

lining of the liver

Answer 13

collagenous connective tissue capsule with mesothelial cells

Question 14

what are mesothelial cells

Answer 14

simple squamous epithelium

Question 15

what does each liver lobule have at its centre?

Answer 15

centrolobular vein

Question 16

what does each liver lobule have at each corner?

Answer 16

portal triads (hepatic portal vein, hepatic artery and bile duct)

Question 17

shape of hepatocytes

Answer 17

polyhedral epithelial cells

Question 18

what are sinusoids

Answer 18

spaces between hepatocytes for blood to flow through

Question 19

what are also in sinusoids?

Answer 19

Kupffer cells

Question 20

what are Kupffer cells

Answer 20

macrophages

Question 21

what are spaces of Disse

Answer 21

spaces between hepatocytes that contain hepatic stellate cells

Question 22

role of hepatic stellate cells?

Answer 22

make connective tissue and store vitamin A

Question 23

what happens when hepatic stellate cells are damaged?

Answer 23

transform into myofibroblasts and produce scar tissue in the liver

Question 24

epithelium of the gall baldder

Answer 24

simple columnar epithelium

Question 25

what are bile ducts lined with?

Answer 25

simple cuboidal cells (cholangiocytes)