placentation

placentation什么意思,placentation翻译

基本解释

n.: 【动,解】胎盘形成；【植】胎座式
网络: 胎座型；胎盘生成；胚珠在子房

英汉解释

• 【植物;植物学】胎座式

• 【解剖学;动物学】胎盘形成

例句

• The trophoblast adhesion to the uterine wall is the requisite first step of implantation and, subsequently, placentation.

  紧贴在子宫壁的滋养层是胚胎着床必不可少的步骤，随后形成胎盘。

• ovules numerous; placentation axile. Styles 2. Capsule ovoid, globose, or ellipsoid, dehiscing longitudinally or irregularly; pericarp thin.

  胚珠多数中轴胎座花柱2蒴果卵球形，球状，不规则的或椭圆形，纵向开裂或；

• Ovary superior or inferior, placentation axile, rarely parietal, often many ovules per locule.

  子房上位或者下位，中轴胎座，很少周壁胎座，通常每子房室很多胚珠。

• The carpel closed toward and connected with the ovary central column to form axile placentation since mid October.

  十月中旬起心皮向内合生并与中轴连合形成中轴胎座。

• placentation axile, sometimes free central at fruit maturity.

  中轴胎座，有时在成熟果的中心离生。

• Anthers shorter than 4 mm, longitudinally dehiscent; ovules with parietal placentation near base of ovary.

  花药短于4毫米，纵向开裂；子房的胚珠具侧膜胎座近基部。

• ovules numerous, with free central placentation, longitudinal 5-fascicled.

  胚珠许多，具特立中央胎座式，纵裂5。

• anthers dorsifixed. Ovary placentation axile.

  花药背着子房中轴胎座。

• Match the numbers in front of the placentation type (A-D) with the corresponding diagram.

  请将胎座式类型（A-D）与相应的图匹配起来。

• placentation axile; ovules 2 to numerous, anatropous.

  中轴胎座胚珠2到多数，倒生；