os internumn.

Brit.

/ˌɒs ɪnˈtəːnəm/, U.S.

/ˌɑs ᵻnˈtərn(ə)m/

Origin: A borrowing from Latin. Etymon: Latin os internum.

Etymology: < post-classical Latin os internum (1666 or earlier) < classical Latin ōs os n.³ + internum , neuter of internus inner (see intern adj. and n.).

Now rare or historical.

Originally: †the opening of the cervix into the vagina (obsolete). In later use: the constriction of the cervical canal at the junction with the body of the uterus.

ΚΠ

1752 W. Smellie Treat. Midwifery I. p. xlix He is the first that gives a draught of the Speculum matricis, for dilating the Os internum.

1752 W. Smellie Treat. Midwifery I. 95 The entry of the vagina is commonly called the Sphincter vaginæ, and the mouth of the womb..os tincæ: but..I shall, in order to avoid confusion.., call the first Os externum, and the other Os internum, through the whole book.

1835 R. D. Hoblyn Dict. Terms Med. & Collateral Sci. 176/1 Os internum, or orifice of the uterus.

1859 Todd's Cycl. Anat. & Physiol. V. 625/2 This is the lower or terminal orifice of the cervical canal, the os externum uteri,..as distinguished from the os internum,..which marks the commencement of that canal.

1879 Philos. Trans. 1878 (Royal Soc.) 169 527 The fœtus lay in the uterus with its breech in close relation to the os internum, and the head to the fundus.

2003 Isis 94 288 Early modern terms like..‘os internum,’ ‘vulva,’ ‘labia,’ ‘nymphae,’ and ‘clitoris,’ did not always correspond to our modern understanding.

This is a new entry (OED Third Edition, September 2004; most recently modified version published online June 2022).

单词	os internum
释义	os internumn. Brit. /ˌɒs ɪnˈtəːnəm/, U.S. /ˌɑs ᵻnˈtərn(ə)m/ Origin: A borrowing from Latin. Etymon: Latin os internum. Etymology: < post-classical Latin os internum (1666 or earlier) < classical Latin ōs os n.³ + internum , neuter of internus inner (see intern adj. and n.). Now rare or historical. Originally: †the opening of the cervix into the vagina (obsolete). In later use: the constriction of the cervical canal at the junction with the body of the uterus. ΚΠ 1752 W. Smellie Treat. Midwifery I. p. xlix He is the first that gives a draught of the Speculum matricis, for dilating the Os internum. 1752 W. Smellie Treat. Midwifery I. 95 The entry of the vagina is commonly called the Sphincter vaginæ, and the mouth of the womb..os tincæ: but..I shall, in order to avoid confusion.., call the first Os externum, and the other Os internum, through the whole book. 1835 R. D. Hoblyn Dict. Terms Med. & Collateral Sci. 176/1 Os internum, or orifice of the uterus. 1859 Todd's Cycl. Anat. & Physiol. V. 625/2 This is the lower or terminal orifice of the cervical canal, the os externum uteri,..as distinguished from the os internum,..which marks the commencement of that canal. 1879 Philos. Trans. 1878 (Royal Soc.) 169 527 The fœtus lay in the uterus with its breech in close relation to the os internum, and the head to the fundus. 2003 Isis 94 288 Early modern terms like..‘os internum,’ ‘vulva,’ ‘labia,’ ‘nymphae,’ and ‘clitoris,’ did not always correspond to our modern understanding. This is a new entry (OED Third Edition, September 2004; most recently modified version published online June 2022). < n.1752
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