chalaza

英式音标：[kə'leɪzə]

美式音标：[kə'leɪzə]

词汇分类：畜牧学概论（1）Introduction of Animal Science

词义：

n.

系带；

变形

复数：chalazaschalazae

英英释义

chalaza[ kə'leizə ]

n.

basal part of a plant ovule opposite the micropyle; where integument and nucellus are joined

one of two spiral bands of tissue connecting the egg yolk to the enclosing membrane at either end of the shell

用法：

权威例句

Chalaza clipping tool

Chalaza clipping tool

Mechanism of chalaza formation in quail eggs

The Nucellus and Chalaza in monocotyledons: Structure and systematics

Large-scale preparation of sialic acid from chalaza and egg-yolk membrane.

Studies on the Characterization of Ovomucin and Chalaza of the Hen's Egg

Development of tannin vacuoles in chalaza and seed coat of barley in relation to early chalazal necrosis in the seg1 mutant

Seed anatomy of Artabotrys odoratissimus with a discussion on chalaza, integumentary bundles and ruminate endosperm

The Arabidopsis thaliana response regulator ARR22 is a putative AHP phospho-histidine phosphatase expressed in the chalaza of develo...

The DAISY gene from Arabidopsis encodes a fatty acid elongase condensing enzyme involved in the biosynthesis of aliphatic suberin in...

造句：

1. With the embryo development, most of the endosperm degenerated, and the cells near chalaza entered the chalaza, digested it and further nourished the embryo.

合点端的胚乳细胞则侵入合点珠心组织，为胚进一步发育提供营养。

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2. When ovule orientation is orthotropous the chalaza corresponds to the point where the funicle is attached but in anatropous and campylotropous ovules the chalaza is some distance from the funicle .

当胚珠的方向是直生胚珠时，合点和珠柄连成一条直线，当胚珠是倒生胚珠或弯生胚珠时，合点和珠柄之间有一定的距离。

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3. When ovule orientation is orthotropous the chalaza corresponds to the point where the funicle is attached but in anatropous and campylotropous ovules the chalaza is some distance from the funicle .

当胚珠的方向是直生胚珠时，合点和珠柄连成一条直线，当胚珠是倒生胚珠或弯生胚珠时，合点和珠柄之间有一定的距离。

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4. When ovule orientation is orthotropous the chalaza corresponds to the point where the funicle is attached

当胚珠的方向是直生胚珠时，合点和珠柄连成一条直线，当胚珠是倒生胚珠或弯生胚珠时，合点和珠柄之间有一定的距离。

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5. Chalaza (pl.chalaxae or chalazas) The region of an angiosperm ovule where the nucellus and integuments

合点：被子植物胚珠上的一个区域，在合点处珠心和珠被愈合。

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