chalazan.

Brit.

/kəˈleɪzə/, U.S.

/kəˈleɪzə/

Forms: Plural chalazæ.

Etymology: modern Latin, < Greek χάλαζα hail, any small lump or knot like a hail-stone. Compare French chalaze.

1. Zoology. Each of the two membranous twisted strings by which the yolk-bag of an egg is bound to the lining membrane at the ends of the shell, and kept near the middle of the albumen, with the germinating point uppermost; the tread or treadle.

ΘΚΠ

the world > animals > animal body > general parts > sexual organs and reproduction > [noun] > egg > membranous string in

chalaza1704

the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > yolk > tread

strainc1305

cock treading1573

kenning1585

tread1593

cock's tread1647

gallature1650

treadle1658

cicatricula1664

strind1671

gemma1692

chalaza1704

segmentation cavity1888

1704 J. Harris Lexicon Technicum I Chalaza, the Treadle of an Egg; every Egg has two of them..each Chalaza consists, as it were, of so many Hailstones separated from each other by that White.

1774 O. Goldsmith Hist. Earth II. 29 At each end of this are two ligaments, called chalazoæ..which..keep the white and the yolk in their places.

1841 T. R. Jones Gen. Outl. Animal Kingdom xxix. 620 An almost invisible membrane, the chalaza, which being twisted by the revolutions of the yolk, as it is pushed forward in the oviduct, is gathered into two delicate and spiral cords.., whereby the yolk is retained in situ.

2. Botany. A spot on the seed where the nucleus joins the integuments.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > chalaza or raphe

raphe1812

chalaza1830

raphis1831

1830 J. Lindley Introd. Nat. Syst. Bot. 123 Raphe and chalaza usually very distinctly marked.

1830 J. Lindley Introd. Bot. (1848) I. 398 This raphe..expands into a vascular dish or plate, which is called the chalaza.

1880 A. Gray Struct. Bot. vi. §8. 277 The proper base of the ovule..is the Chalaza..In the simplest form of ovule, hilum and chalaza are one.

This entry has not yet been fully updated (first published 1889; most recently modified version published online December 2021).

单词	chalaza
释义	chalazan. Brit. /kəˈleɪzə/, U.S. /kəˈleɪzə/ Forms: Plural chalazæ. Etymology: modern Latin, < Greek χάλαζα hail, any small lump or knot like a hail-stone. Compare French chalaze. 1. Zoology. Each of the two membranous twisted strings by which the yolk-bag of an egg is bound to the lining membrane at the ends of the shell, and kept near the middle of the albumen, with the germinating point uppermost; the tread or treadle. ΘΚΠ the world > animals > animal body > general parts > sexual organs and reproduction > [noun] > egg > membranous string in chalaza1704 the world > life > biology > biological processes > procreation or reproduction > reproductive substances or cells > [noun] > ovum or ootid > yolk > tread strainc1305 cock treading1573 kenning1585 tread1593 cock's tread1647 gallature1650 treadle1658 cicatricula1664 strind1671 gemma1692 chalaza1704 segmentation cavity1888 1704 J. Harris Lexicon Technicum I Chalaza, the Treadle of an Egg; every Egg has two of them..each Chalaza consists, as it were, of so many Hailstones separated from each other by that White. 1774 O. Goldsmith Hist. Earth II. 29 At each end of this are two ligaments, called chalazoæ..which..keep the white and the yolk in their places. 1841 T. R. Jones Gen. Outl. Animal Kingdom xxix. 620 An almost invisible membrane, the chalaza, which being twisted by the revolutions of the yolk, as it is pushed forward in the oviduct, is gathered into two delicate and spiral cords.., whereby the yolk is retained in situ. 2. Botany. A spot on the seed where the nucleus joins the integuments. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > chalaza or raphe raphe1812 chalaza1830 raphis1831 1830 J. Lindley Introd. Nat. Syst. Bot. 123 Raphe and chalaza usually very distinctly marked. 1830 J. Lindley Introd. Bot. (1848) I. 398 This raphe..expands into a vascular dish or plate, which is called the chalaza. 1880 A. Gray Struct. Bot. vi. §8. 277 The proper base of the ovule..is the Chalaza..In the simplest form of ovule, hilum and chalaza are one. This entry has not yet been fully updated (first published 1889; most recently modified version published online December 2021). < n.1704
随便看	to nim vengeance to nim, take, give keep to nimen gome to nip at a person or animal's heels to nip at the heels of to nip by the head to nip by the neck to nip by the pate to nip in the bloom to nip in the bud to nip in the head to nip in the neck to nip in the pate to nip on the head to nip on the neck to nip on the pate to nip or crush in the bud to nix out to nix out on to no avail to no effect to no end to no purpose to nod off to nod out