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单词 Theca cells
释义

Theca cells

原声例句
Osmosis-内分泌

In females, the theca cells respond to luteinizing hormone by producing progesterone and androstenedione.

在女性中,卵泡膜细胞对促黄体生成素产生反应,从而产生孕酮和雄烯二酮。

Osmosis-解剖与生理

LH binds to LH receptors on theca cells and they make progesterone and androstenedione.

LH与卵泡内膜细胞上的LH受体结合,产生黄体酮和雄烯二酮。

Osmosis-内分泌

The follicles are small clusters of granulosa and theca cells that protect the developing egg cell.

卵泡是由颗粒细胞、卵泡膜细胞组成的小簇,保护发育中的卵细胞。

Osmosis-解剖与生理

Luteinized theca cells respond to the low LH concentrations after ovulation by producing more progesterone.

LH水平降低会使黄素化的内膜细胞生成更多黄体酮。

Osmosis-内分泌

Beginning at puberty, the theca cells of the ovary respond to luteinizing hormone by producing progesterone and androstenedione.

青春期开始后,卵巢的卵泡膜细胞对LH产生应答,生成孕酮和雄烯二酮。

Osmosis-解剖与生理

Theca cells make androstenedione, a sex hormone precursor, and granulosa cells use the enzyme aromatase to convert it into estradiol - a member of the estrogen family.

卵泡内膜细胞可以合成雄烯二酮,是性激素的前体;颗粒细胞的芳香酶使它变成雌二醇,是雌激素的一种。

Osmosis-解剖与生理

Right after ovulation, while the LH levels are still high, the remains of the follicle turn into the corpus luteum, which is made up of luteinized granulosa and theca cells.

排卵之后,LH水平依然很高,卵泡剩下的部分,即被黄素化的颗粒细胞和内膜细胞就会组成黄体。

Osmosis-解剖与生理

In a secondary follicle, the primary oocyte is still in the prophase step of meiosis 1, but now the follicle has additional layers of granulosa cells, as well as theca cells.

次级卵泡中的初级卵母细胞还是停留在第一次减数分裂前期,而卵泡多了几层颗粒细胞,以及卵泡内膜细胞。

Osmosis-内分泌

FSH acts on the granulosa cells, making the follicles grow and mature, as well as secrete estrogen while LH stimulates theca cells to secrete progesterone and small amounts of androstenedione, which is a precursor of testosterone.

FSH作用于颗粒细胞,使卵泡生长成熟,以及分泌雌激素;而LH刺激卵泡膜细胞分泌孕激素与少量雄烯二酮,后者是睾酮的前体。

英语百科

Theca

(重定向自Theca cells)
Strawberry anther with parallel thecae

A theca (plural thecae) refers to a sheath or a covering.

In botany, the theca of an angiosperm consists of a pair of microsporangia that are adjacent to each other and share a common area of dehiscence called the stomium. Any part of a microsporophyll that bears microsporangia is called an anther. Most anthers are formed on the apex of a filament. An anther and its filament together form a typical (or filantherous) stamen, part of the male floral organ.

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更新时间:2025/6/23 21:47:34