The gland extends from as high as the lower border of the thyroid gland to the fourth costal cartilage downwards. The thymus is of a pinkish-grey color, soft, and lobulated on its surfaces. Embryologically it is derived from the third pharyngeal pouch . The thymus is the first of the lymphoid organs to be formed. Thymus Diagram Image Diagram - Chart - diagrams and charts with labels. This diagram depicts Thymus Diagram Image and explains the details of Thymus Diagram Image.
Thymus Diagram Image
