Largely vestigial in adult humans, it is replaced by fat after puberty.
Largely vestigial in adult humans, it is replaced by fat after puberty. Consisting of two irregularly shaped parts, united by a connective tissue capsule, it is needed early in life for the proper development of an immune system. FTP name this primary lymphoid organ, located in the lower neck in humans, which in calves is eaten and called sweetbread.
Largely vestigial in adult humans, it is replaced by fat after puberty.
thymus