網頁2024年4月9日 · noun. theca in· ter· na -in-ˈtər-nə. : the inner layer of the theca folliculi that is highly vascular and that contributes theca lutein cells to the formation of the corpus … In botany, the theca is related to plant's flower anatomy. 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 … 查看更多內容 In biology, a theca (plural thecae) is a sheath or a covering. 查看更多內容 In microbiology and planktology, a theca is a subcellular structural component out of which the frustules of diatoms and dinoflagellates are … 查看更多內容 In biology, the theca of follicle can also refer to the site of androgen production in females. The theca of the spinal cord is called the thecal sac, and intrathecal injections are … 查看更多內容 • Intrathecal • Thecal sac 查看更多內容
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網頁Structure of Flower: A flower is composed of four distinct whorls, viz. calyx, corolla, andreocium and gynoecium. Calyx: This is the outermost whorl and is composed of green … 網頁Chorionic villi are derived from: 1. Trophoblast cells 2. Granulosa cells 3. Theca cells 4. Maternal tissue Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and ... 網頁Definition of theca in the Definitions.net dictionary. Meaning of theca. What does theca mean? Information and translations of theca in the most comprehensive dictionary definitions resource on the web. Wiktionary (0.00 / 0 … speech commercial exemple