Thymus
1.capsule of
thymus divides the thymus into several thymic lobules
2. each thymic
lobules contain outer cortex and inner medulla
3. Inner medulla of thymic lobule contain Hassall’s corpuscles
4. outer cortex of
thymic lobule contain no lymphatic nodule
SN: thymus contain only T lymphocyte
Spleen
1. White pulp is
present (which is composed by central arteriole, periarterial lymphatic
sheath &
lymphatic nodule with germinal center )
2. Red pulp is
present (which contain splenic cord & splenic sinusoid)
3. Capsule present
Tonsil
1. It is lined by non-keratinized stratified
squamous epithelium
2. Lymphatic nodoule
with germinal center is present
3. tonsillar crypts
are present
Lymph node
1. Sub capsular sinus
is present.
2. it is divided into
outer cortex and inner medulla
3. Outer cortex contain lymphatic nodules.
4. Capsule is present
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