External os structure

External os structure (body structure)

active

Code	`56340000`
Semantic tag	body structure
Module	international
Definition	primitive
Effective time	20020131

Synonyms

Cervical os
External os
External os of cervix
Ostium uteri

Parents (2)

28349006Exocervical structure body structure
314384000Os of cervix body structure

Children (3)

362255005Entire external os body structure
43754007Structure of anterior lip of cervix body structure
28471000Structure of posterior lip of cervix body structure