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give an example of neutral stain ?

leishmans stain

give an example of polychromatic stain ( romanwsky stain )

giemsa and wright stain

??

Neutrophils

percentage ? diameter ? shape of nucleus ? 

54-62%
12-15 µm
multilobed; segmented (2-5 segments)

???

Eosinophils

percentage ? diameter ? shape of nucleus ? 

2-5%
12-15 µm
Bilobed (horseshoe-shaped)

????

Lymphocytes M & L

Normal percentage ? types ?

20_40 %
T- Lymphocytes.

B-Lymphocytes.

Natural killer cells.

???

Lymph Node

Parenchyma of lymph node is formed of ? 

cortex & medulla

The cortex is rich in ?

dark lymphoid follicles

The medulla contains ? 

medullary cords

A ? B ? C ? D?

A___Capsule
B___subscapsular sinus
C___cortical follicles
D___medullary cords

???

Lymph Node

Mention the points

of identification?

Outer cortex: cortical follicles & sinuses.

Inner medulla: medullary cords and sinuses.

????

spleen

Parenchyma of the spleen

is formed of ?

white Pulp

and red Pulp

The white pulp shows ?

Central arteriole.

A ? B ? C ?

A___red pulp
B___white pulp
C___centeral arteriole and PALS

???

Spleen

Mention the points

of identification?

White pulps: (with central arterioles).

Red pulps: (with blood sinusoids).

???

Thymus gland

Each lobule has an ?

outer dark cortex and inner pale medulla.

A? B ? C ? 

A___thymic lobule 
B___outer cortex 
C___inner medulla

????

thymus gland

Mention the points of

identification?

Thymic lobules: outer dark cortex & inner pale medulla.

Hassall’s corpuscles in the medulla.

????

palatine tonsil

A? B? C ?

A___tonsillar crypts
B___non keratinized stratified sq epith
C___lymphatic follicles

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