thymus hormones. human endocrine system

thymus hormones anatomy endocrine hormone medical gland hormonal endocrinology health function physiology secretion thymosins thymopoietin thymulin development thymic involution cytokine atrophy autoimmune disease human immune regulation closeup lymphoid organ thymosin white blood cell differentiation involved lymphocyte tcell regulates leukocytes isometric flat vector diagram therapy structure anatomical metabolism healthy balance disorder glands system like close-up promotes cells lymphocytes t-cells maturation poster brand font text presentation advertising circle cartoon screenshot line logo design banner document ball food