Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D013950
Thymus Gland
A single, unpaired primary lymphoid organ situated in the MEDIASTINUM, extending superiorly into the neck to the lower edge of the THYROID GLAND and inferiorly to the fourth costal cartilage. It is necessary for normal development of immunologic function early in life. By puberty, it begins to involute and much of the tissue is replaced by fat.
Thymus,Gland, Thymus,Glands, Thymus,Thymus Glands
D013951
Thymus Hormones
Humoral factors secreted by the thymus gland. They participate in the development of the lymphoid system and the maturation of the cellular immune response.