What are the meanings of the word parts to transsphenoidal adenomectomy?

The term "transsphenoidal adenomectomy" can be broken down into three key parts: "transsphenoidal," "adenoma," and "ectomy." "Transsphenoidal" refers to the approach taken during surgery, indicating that it is performed through the sphenoid sinus, a cavity located behind the nose. "Adenoma" signifies a benign tumor that arises from glandular tissue, often related to the pituitary gland. Finally, "ectomy" means the surgical removal of a tissue or organ, indicating that the procedure involves excising the adenoma.