Definition of os externum in English:

os externum

noun ˌɒs ɪkˈstəːnəmˌɒs ɛkˈstəːnəm

Anatomy rare

Originally: †the external opening of the vagina (obsolete). In later use: the opening of the cervix into the vagina; the os uteri.

Origin

Mid 18th century; earliest use found in William Smellie (1697–1763), man-midwife. From post-classical Latin os externum from classical Latin ōs + externum, neuter of externus outer.

Definition of os externum in US English:

os externum

noun

Anatomy rare

Originally: †the external opening of the vagina (obsolete). In later use: the opening of the cervix into the vagina; the os uteri.

Origin

Mid 18th century; earliest use found in William Smellie (1697–1763), man-midwife. From post-classical Latin os externum from classical Latin ōs + externum, neuter of externus outer.

词汇	os externum
释义	Definition of os externum in English: os externum noun ˌɒs ɪkˈstəːnəmˌɒs ɛkˈstəːnəm Anatomy rare Originally: †the external opening of the vagina (obsolete). In later use: the opening of the cervix into the vagina; the os uteri. Origin Mid 18th century; earliest use found in William Smellie (1697–1763), man-midwife. From post-classical Latin os externum from classical Latin ōs + externum, neuter of externus outer. Definition of os externum in US English: os externum noun Anatomy rare Originally: †the external opening of the vagina (obsolete). In later use: the opening of the cervix into the vagina; the os uteri. Origin Mid 18th century; earliest use found in William Smellie (1697–1763), man-midwife. From post-classical Latin os externum from classical Latin ōs + externum, neuter of externus outer.
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