Thymus transplantation is a form of organ transplantation where the thymus is moved from one body to another.

A thyroidectomy is an operation that involves the surgical removal of all or part of the thyroid gland.

Tonsillectomy is a surgical procedure in which both palatine tonsils are removed from a recess in the side of the pharynx called the tonsillar fossa.

Trabeculectomy is a surgical procedure used in the treatment of glaucoma to relieve intraocular pressure by removing part of the eye’s trabecular meshwork and adjacent structures.