pistillidiumn.

Brit.

/ˌpɪstᵻˈlɪdɪəm/, U.S.

/ˌpɪstəˈlɪdiəm/

Inflections: Plural pistillidia.

Origin: Formed within English, by compounding. Etymons: pistillum n., pistil n., -idium comb. form.

Etymology: < either pistillum n. or pistil n. + -idium comb. form.

Botany. Now rare (historical in later use).

= archegonium n.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [noun] > parts of > archegonium or female sex organ

archegonium1854

pistillidium1854

oogonium1867

trichogyne1875

procarp1877

venter1887

1832 J. Lindley Introd. Bot. i. 201 If this theca be examined in its youngest state, it will be seen to form one of several small sessile ovate bodies (pistillidia Agardh; prosphyses, Ehrhart; adductores, Hedwig), enveloped in a membrane tapering upwards into a point.]

1854 Encycl. Brit. V. 156/1 The pistillidium or archegonium contains a germ-cell..which produces a germinating body.

1861 R. Bentley Man. Bot. i. v. 375 The reproductive organs of..Cryptogamous Plants..are called antheridia..and archegonia or pistillidia.

1898 Bot. Gaz. 25 368 If the underside of one of these heart-shaped prothallia be examined under the microscope, special differentiations of the cells will be found near the sinus of the heart; these are the archegonia or pistillidia; they are rounded aggregations of cells.

1910 Encycl. Brit. IV. 301/2 He [sc. Hedwig] was one of the first to point out the existence of certain cellular bodies..which appeared to perform the functions of reproductive organs, and to them the names of antheridia and pistillidia were given.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	pistillidium
释义	pistillidiumn. Brit. /ˌpɪstᵻˈlɪdɪəm/, U.S. /ˌpɪstəˈlɪdiəm/ Inflections: Plural pistillidia. Origin: Formed within English, by compounding. Etymons: pistillum n., pistil n., -idium comb. form. Etymology: < either pistillum n. or pistil n. + -idium comb. form. Botany. Now rare (historical in later use). = archegonium n. ΘΚΠ the world > plants > part of plant > reproductive part(s) > spore or sporule > cryptogam or plant having spores > [noun] > parts of > archegonium or female sex organ archegonium1854 pistillidium1854 oogonium1867 trichogyne1875 procarp1877 venter1887 1832 J. Lindley Introd. Bot. i. 201 If this theca be examined in its youngest state, it will be seen to form one of several small sessile ovate bodies (pistillidia Agardh; prosphyses, Ehrhart; adductores, Hedwig), enveloped in a membrane tapering upwards into a point.] 1854 Encycl. Brit. V. 156/1 The pistillidium or archegonium contains a germ-cell..which produces a germinating body. 1861 R. Bentley Man. Bot. i. v. 375 The reproductive organs of..Cryptogamous Plants..are called antheridia..and archegonia or pistillidia. 1898 Bot. Gaz. 25 368 If the underside of one of these heart-shaped prothallia be examined under the microscope, special differentiations of the cells will be found near the sinus of the heart; these are the archegonia or pistillidia; they are rounded aggregations of cells. 1910 Encycl. Brit. IV. 301/2 He [sc. Hedwig] was one of the first to point out the existence of certain cellular bodies..which appeared to perform the functions of reproductive organs, and to them the names of antheridia and pistillidia were given. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.1854
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