…Some fruits automatically scatter seeds like this, but most are passive, scattering small seeds when they are shaken by wind or other factors. Cleft fruits are further divided into follicles (separate pistils that split vertically at one point), legumes (single-carpelled like the Fabaceae, but splitting at the ventral and posterior sides of the carpel), and capsules (common pistils). Cleistocarps are found in fruits that usually have one seed in each locus. … From [Ovary]…In amphibians and fish, the connective tissue that makes up the medulla degenerates to form the ovarian cavity, where mature oocytes, or eggs, are released. In mature mammalian ovaries, there is no germinal epithelium, and eggs, surrounded by follicular cells, form follicles (called follicles in medicine), which exist in the connective tissue and mature and are released under the influence of pituitary hormones. The ovaries of vertebrates also function as endocrine organs. … *Some of the terminology explanations that mention "follicle" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…このように自動的に種子を飛ばすものもあるが,裂果の多くは風などでゆれることにより小さい種子を飛ばす受動型である。裂果はさらに袋果follicle(離生めしべで,1ヵ所で縦に裂ける),豆果legume(マメ科のように1心皮性だが,心皮の腹側と背側で裂開する),蒴果(さくか)capsule(合生めしべ)などに分けられる。 閉果は一つの子房室にふつう一つの種子がある実にみられる。… 【卵巣】より…両生類や魚類では髄質部を成す結合組織が退化した後は卵巣腔となり,成熟した卵母細胞,または卵は,ここに排卵される。哺乳類の成熟した卵巣には生殖上皮は無く,濾胞細胞に包まれ濾胞follicle(医学では卵胞と呼ぶ)を形成した卵が,結合組織中に存在し,下垂体ホルモンの影響下に,成熟して排卵される。 脊椎動物の卵巣は,内分泌器官としても機能する。… ※「follicle」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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