anterior pituitary vs adenohypophysis

anterior pituitary and adenohypophysis both are nouns.

Word	Noun	Adjective	Verb	Adverb
anterior pituitary	Yes	No	No	No
adenohypophysis	Yes	No	No	No

As nouns, anterior pituitary and adenohypophysis are synonyms defined as:

anterior pituitary and adenohypophysis: the anterior lobe of the pituitary body; primarily glandular in nature

Other synonyms of anterior pituitary include anterior pituitary gland.

anterior pituitary (noun)	adenohypophysis (noun)
the anterior lobe of the pituitary body; primarily glandular in nature	the anterior lobe of the pituitary body; primarily glandular in nature