placentation
美 [?plæs?n'te???n] 
英 [plæsen'te???n]
- n.【動,解】胎盤形成；【植】胎座式
- 網絡胎座型；胎盤生成；胚珠在子房
英漢解釋
英英解釋
例句
The trophoblast adhesion to the uterine wall is the requisite first step of implantation and, subsequently, placentation.
緊貼在子宮壁的滋養層是胚胎著床必不可少的步驟，隨后形成胎盤。
ovules numerous; placentation axile. Styles 2. Capsule ovoid, globose, or ellipsoid, dehiscing longitudinally or irregularly; pericarp thin.
胚珠多數中軸胎座花柱2蒴果卵球形，球狀，不規則的或橢圓形，縱向開裂或；
Ovary superior or inferior, placentation axile, rarely parietal, often many ovules per locule.
子房上位或者下位，中軸胎座，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.
十月中旬起心皮向內合生并與中軸連合形成中軸胎座。
placentation axile, sometimes free central at fruit maturity.
中軸胎座，有時在成熟果的中心離生。
Anthers shorter than 4 mm, longitudinally dehiscent; ovules with parietal placentation near base of ovary.
花藥短于4毫米，縱向開裂；子房的胚珠具側膜胎座近基部。
ovules numerous, with free central placentation, longitudinal 5-fascicled.
胚珠許多，具特立中央胎座式，縱裂5。
anthers dorsifixed. Ovary placentation axile.
花藥背著子房中軸胎座。
Match the numbers in front of the placentation type (A-D) with the corresponding diagram.
請將胎座式類型（A-D）與相應的圖匹配起來。
placentation axile; ovules 2 to numerous, anatropous.
中軸胎座胚珠2到多數，倒生；
ovules 4 per locule, erect or pendulous, placentation axile.
胚珠4每室，直立或下垂，中軸胎座。
placentation parietal; styles (2 or)3-5(or 6), free or connate at base, persistent.
側膜胎座花柱（2或）3-5（或6），離生或合生在基部，宿存。
placentation axile; ovules anatropous with a single integument, 10 or more per locule;
中軸胎座胚珠倒生，有單個珠被，每子房室有10個或更多的胚珠；
ovules 2 per locule, all but 1 aborting before maturity, placentation axile at top of a free basal placentation;
胚珠2每室，成熟前僅1可育，中軸胎座在一離生基生胎座式的頂的；
ovules with parietal placentation near base of ovary. Style short;
胚珠具在近子房基部的側膜胎座花柱短柱頭頭狀。
ovary inferior, 3-loculed, ovules usually 2 per locule (more than 2 in a few small genera), placentation axile;
子房下位，3室，通常每室2胚珠，（在少數小屬內多于2個），中軸胎座；
Most cases of hemorrhage are related to uterine atony and abnormal placentation;
大多數情況下出血有關宮縮乏力和不正常的胎盤；
placentation axile; ovules numerous. Style 1, short;
中軸胎座胚珠多數花柱1，短；
placentation axile; ovules 2 per locule, pendulous;
中軸胎座每室2胚株，下垂；
placentation parietal; ovules numerous. Styles 2-6, free or connate only at base, divergent;
側膜胎座胚珠多數花柱2-6，離生或合生只在基部，分叉；
placentation axile; ovules 2 to several per locule;
中軸胎座胚珠2到數個每室；
Styles (2 or)3[-5], free. Capsule valves obscurely longitudinally vittae; placentation parietal;
花柱（2或者）3[-5]，離生蒴果裂爿不清楚地縱向具油道的；
ovary 1-loculed, placentation laminar;
子房1室，片狀胎座；
Ovary superior, (2- or)3-locular, placentation axile;
子房上位，（2-或）室，中軸胎座；
placentation axile, each locule with (1 or)2 to several ovules;
中軸胎座，子房每室有（1或者）2或幾個胚珠；
Stamens numerous; anther dorsifixed. Ovary densely tomentose, 5-loculed with 2 or 3 ovules per locule, placentation axile;
雄蕊多數花藥背著子房密被絨毛，5室的具2或3胚珠每室，中軸胎座；
