Theca Definition & Meaning - Merriam-Webster
WebThe meaning of THECA is an enveloping sheath or case of an animal or animal part.
Theca - Wikipedia
WebIn biology, a theca ( pl.: thecae) is a sheath or a covering. Botany. 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. [1] .
Theca of follicle - Wikipedia
WebTheca cells are a group of endocrine cells in the ovary made up of connective tissue surrounding the follicle. They have many diverse functions, including promoting folliculogenesis and recruitment of a single follicle during ovulation. Theca cells and granulosa cells together form the stroma of the ovary.
THECA Definition & Meaning | Dictionary.com
Webnoun. , plural the·cae [thee, -see]. a case or receptacle. Botany, Mycology. a sac, cell, or capsule. a sporangium. Anatomy, Zoology. a case or sheath enclosing an organ, …
Human theca arises from ovarian stroma and is comprised of …
WebJan 4, 2023 · Theca cells serve multiple essential functions during the growth and maturation of ovarian follicles, providing structural, metabolic, and steroidogenic support. While the function of theca...
Theca | anatomy and physiology | Britannica
WebThe theca, or armour, is composed of many textured plates that form one anterior horn and usually two posterior horns, which may help to slow the sinking of the cells. The spines tend to be shorter and thicker in cold salty water and longer and thinner…
Theca - Definition, Meaning & Synonyms | Vocabulary.com
Web5 days ago · Theca - Definition, Meaning & Synonyms | Vocabulary.com. theca. /ˈθikə/ IPA guide. Other forms: thecae. Definitions of theca. noun. a case or sheath especially a pollen sac or moss capsule. synonyms: sac. see more. noun. outer sheath of the pupa of certain insects. see more. Cite this entry. Style: MLA. "Theca."
Where are the theca cells from: the mechanism of theca cells …
WebJul 7, 2020 · In general, the function of theca layers in antral follicles can be summarized as the synthesis of hormones and secretory factors such as androgens and bone morphogenetic proteins (BMPs), the transport of nutrients to granulosa cells, cumulus cells and oocytes through vascular structures, and the provision of …
Theca Cell - an overview | ScienceDirect Topics
WebThe theca and granulosa cells of the ovaries are the primary sources of estrogens during reproductive life. The principal and most potent estrogen secreted is 17β-estradiol (E2) but three different naturally occurring estrogens have been recognized including estrone (E1), 17β-estradiol (E2), and estriol (E3).
Theca - an overview | ScienceDirect Topics
WebThe theca of ovarian follicles is a complex, dynamic tissue comprised of the theca cells, vascular components, immune cells, and an extracellular matrix. Theca cells are derived from two different embryonic precursor cells, mesonephric and mesenchymal.
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