Chapter 1 Histology❤

Question 1

Distribution of simple columnar epithelium

Answer 1

It is of two types 
1) non micoviliated 
It is present in lining of alimentary canal...except oesophagus,buccal cavity and anal canal.
2)brush bordered
It is present in intestinal mucosa

Question 2

Ciliated epithelium

Answer 2

It is of three types
1)ciliated cuboidal
It is present in :-
In lining of small bronchioles
Epebdyma:-
Epithelium of neurocoel(filled with CSF)
                                    |
                                a)ventrical (cavity of brain)
                                 b) central canal (cavity of spinal cord)
In lining of upper part of collecting duct.
2)ciliated columnar
It is present in :-
In fine brochioles
In lining of fallopian duct(oviduct)
In upper part of uterus
3)ciliated pseudostratified
It is present in :-
In respiratiry mucosa 
Lining of trachea ,bronchi,large bronchioles.
Only tall cells bear cilia.

Question 3

Goblet cell

Answer 3

It is also known as ghalice cell or mucus neck cell.

Mucin +H2o = mucus.

Question 4

Simple pseudostratified epithelium

Answer 4

It is present in
Secretory duct of large salivary gland
And some part of male urethra (membranous urethra)