Histology Slides College

Question 1

Cytoplasmic organelles ?

Answer 1

Eight

Question 2

Enumerate membranous cytoplasmic organelles ?

Answer 2

Endoplasmic reticulum
Cell membrane
Mitochondria
Golgi apparatus
Lysosomes
Coated vesicles
Peroxisomes
Annulate lamellae

Question 3

What is the cell membrane length ?

Answer 3

7.5-10 nm

Question 4

Alternative length of cell membrane ?

Answer 4

80-100 angstrom

Question 5

Enumerate glycocalyx functions?

Answer 5

Immunological specificity
Group antigents
Receptor sites
Shares in formation of basement membrane
Of epithelial tissue
Acts as a protective mechanic barrier

Question 6

Modifications

Question 7

Under LM , lysosomes appear as

Answer 7

Dark granules

Question 8

Origin of lysosomes is

Answer 8

Rer and golgi apparatus

Question 9

Primary lysosomes appear under LM

Answer 9

Homogenous

Question 10

Secondary lysosomes appear under EM as

Answer 10

Heterogenous

Question 11

What is SER formed of ?

Answer 11

Communicating flat tubules with smooth surface

Question 12

What is SER lacking

Answer 12

Due to lack of ribosomes

Question 13

Function of SER

Answer 13

Lipid and fatty acid synthesis
Glycogen storage
Regulate calcium distribution
During muscle contraction

Question 14

Lysosomes are rich in?

Answer 14

Hydrolytic enzymes

Question 15

Function of lysosomes ?

Answer 15

Digest phagocytosed substances
Defend the body by digesting invading orgasnisms
Digestion of useless mitochondria and ER forming residual bodies
Hydrolysing filtered proteins in kidney

Question 16

Homogenous lysosomes properties ?

Answer 16

Newly formed and do NOT enter into digestive event

Question 17

Homogenous lysosomes AKA?

Answer 17

Primary lysosomes