Adnexa (disambiguation)

Last revised by Dr Daniel J Bell on 08 Apr 2021

Adnexa (single/plural) is a general term that refers to the accessory structures of an organ.

Adnexa have been described in relation to:

Terminology

In general radiological use, the term is often (incorrectly) used synonymously with the ovary, an adnexal structure of the uterus. 

It is an unusual word (for English-speakers) as it has an identical spelling and pronunciation whether used in a singular or plural sense. Therefore the terms 'adnexus/adnexum' for a single adnexa or 'adnexae' for more than one adnexa are erroneous, and should not be used. 

The adjectival form for adnexa is adnexal. The term adnexitis is sometimes used for an inflammation of the adnexa uteri.

History and etymology

"Adnexa" derives from the Latin adnectere ("to tie together"). 

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