ostiolumn.

Brit.

/ˌɒstɪˈəʊləm/, U.S.

/ˌɑstiˈoʊl(ə)m/

Inflections: Plural ostiola.

Origin: A borrowing from Latin. Etymon: Latin ōstiolum.

Etymology: < classical Latin ōstiolum little door < ōstium ostium n. + -olum -olum suffix.Compare earlier isolated use of ostiola (plural ostiolae), probably arising from misapprehension of classical Latin ostiola as a singular form:1699 W. Cowper in Philos. Trans. (Royal Soc.) 21 367 The nearness of the Sphincter Muscle so corrugates the inner Membrane of the Urethra, as prevents an easie passage of the Liquor by the Ostiolæ of the former.

Chiefly Mycology and Botany.

An ostiole, esp. of a fungus.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > parts of or related to > spore-case > opening in

ostiolum1718

ostiole1856

1718 Philos. Trans. 1717–19 (Royal Soc.) 30 843 This Excoriation or Ulceration is not confined to the Ostiola or Mouths of the Glandulæ Mucosæ.

1753 Philos. Trans. 1751–2 (Royal Soc.) 47 499 The plant now before you wants the ostiolum, by which it adheres to the rocks.

1835 J. Lindley Introd. Bot. (ed. 2) 234 Ostiolum, is the orifice of the perithecium of Sphæria.

1874 M. C. Cooke Fungi 61 Opening by a pore or ostiolum at the apex.

1922 Bot. Gaz. 74 190 They have a pseudo-parenchymatous wall and open to the exterior through an ostiolum.

1974 Ann. Missouri Bot. Garden 61 771 (caption) Longitudinal section through the ostiola and the interior of four syconia at male phase.

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

单词	ostiolum
释义	ostiolumn. Brit. /ˌɒstɪˈəʊləm/, U.S. /ˌɑstiˈoʊl(ə)m/ Inflections: Plural ostiola. Origin: A borrowing from Latin. Etymon: Latin ōstiolum. Etymology: < classical Latin ōstiolum little door < ōstium ostium n. + -olum -olum suffix.Compare earlier isolated use of ostiola (plural ostiolae), probably arising from misapprehension of classical Latin ostiola as a singular form:1699 W. Cowper in Philos. Trans. (Royal Soc.) 21 367 The nearness of the Sphincter Muscle so corrugates the inner Membrane of the Urethra, as prevents an easie passage of the Liquor by the Ostiolæ of the former. Chiefly Mycology and Botany. An ostiole, esp. of a fungus. ΘΚΠ the world > plants > part of plant > reproductive part(s) > spore or sporule > [noun] > parts of or related to > spore-case > opening in ostiolum1718 ostiole1856 1718 Philos. Trans. 1717–19 (Royal Soc.) 30 843 This Excoriation or Ulceration is not confined to the Ostiola or Mouths of the Glandulæ Mucosæ. 1753 Philos. Trans. 1751–2 (Royal Soc.) 47 499 The plant now before you wants the ostiolum, by which it adheres to the rocks. 1835 J. Lindley Introd. Bot. (ed. 2) 234 Ostiolum, is the orifice of the perithecium of Sphæria. 1874 M. C. Cooke Fungi 61 Opening by a pore or ostiolum at the apex. 1922 Bot. Gaz. 74 190 They have a pseudo-parenchymatous wall and open to the exterior through an ostiolum. 1974 Ann. Missouri Bot. Garden 61 771 (caption) Longitudinal section through the ostiola and the interior of four syconia at male phase. This is a new entry (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.1718
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