The document discusses the thymus gland, a primary lymphatic organ located in the neck or chest area. It consists of two lobes enclosed in a capsule and is divided internally. The thymus weighs 10-15 grams at birth and grows until puberty, and its main function is to secrete thymosin to help develop T-lymphocytes which are important white blood cells for the immune system.

1. By-
Mr. ASHOK BISHNOI
Lecturer JINR

3. Primary lymphatic organ in the body.
Position:- it is located over the heart and/or in the
neck area, anterior to the ascending aorta and
posterior to the sternum.
The thymus consists of two lobes enclosed in a
capsule and is further divided internally
Weight:- 10-15 gm at birth & grows until puberty

4. Function :-
Secretion of thymosin (It help for development T-
lymphocyte)