prothallus

prothallus

美 　英

• n.原葉體

詞形變化

復數：prothalli  

英漢解釋

n.

1. 原葉體

英英解釋

n.	1. a flat green organ bearing the reproductive organs of ferns and related plants

例句

In homosporous plants, there is only one type of prothallus with both male and female sex organs.

在具同形孢子的植物中，只有一種雌雄性器官兼備的原葉體類型。

true prothallus of ferns are mostly heart-shaped, green self-supporting, while others showed filamentous or ribbon.

真蕨類的原葉體多為心形，綠色自養，也有的呈絲狀或帶狀。

Archegonial neck usually inclines or curves towards the base of the prothallus at maturity.

頸卵器成熟后，頸部常向原葉體基部傾斜或彎曲。

In vascular plants the diploid sporophyte is the dominant phase and in the ferns, for example, the gametophyte is a small prothallus.

在維管植物（蕨類）中二倍體的孢子體占生活史的主要部分，配子體僅為原葉體。

Equisetum class prothallus of cushion-like, with upright branches of the ribbon, green self-supporting;

木賊類的原葉體為墊狀，具直立的帶狀分枝，綠色自養；

Changes of the Microtubule Arrays During Mitosis in Prothallus Cells of Dryopteris crassirhizoma

粗莖鱗毛蕨原葉體細胞有絲分裂過程中微管列陣的變化