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 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. 網頁The thecal sac or dural sac is the membranous sheath (theca) or tube of dura mater that surrounds the spinal cord and the cauda equina.The thecal sac contains the cerebrospinal fluid which provides nutrients and buoyancy to the spinal cord. From the skull the tube adheres to bone at the foramen magnum and extends down to the second sacral vertebra …

Theca cells definition of Theca cells by Medical dictionary

網頁Granulosa/thecal cell tumor ( q.v.) is the most commonly found equine ovarian neoplasm. The affected ovary is enlarged and palpably hard and is echographically polycystic, the … 網頁2015年8月1日 · World of Reproductive Biology. A new study traces the cellular origins of theca cells, one of the cell types in the ovary that manufactures reproductive hormones [ … literature and arts in the philippines

What is the difference between theca and granulosa cells?

網頁1999年12月1日 · To explore the effect of granulosa cells on theca cell functions, granulosa cells were cultured first, and then theca cells were plated on the opposite side In the present study, we have examined how theca and granulosa cell interaction controls the hormone-producing activity and growth of granulosa and theca cells in the process … 網頁2015年3月16日 · The theca interna is composed of capillaries, fibroblasts, immune cells and specialized steroidogenic cells [ 3 ]. These steroidogenic cells produce androgens and also insulin-like-3 ( INSL3 ). This commences when the theca interna is first recognizable as a distinct tissue layer and continues up until ovulation of the follicle [ 4 ]. The theca folliculi comprise a layer of the ovarian follicles. They appear as the follicles become secondary follicles. The theca are divided into two layers, the theca interna and the theca externa. Theca cells are a group of endocrine cells in the ovary made up of connective tissue surrounding the follicle. They … 查看更多內容 Theca cells are responsible for synthesizing androgens, providing signal transduction between granulosa cells and oocytes during development by the establishment of a vascular system, providing … 查看更多內容 • Histology image: 14805loa – Histology Learning System at Boston University • Anatomy photo: Reproductive/mammal/ovary2/ovary5 - Comparative … 查看更多內容 In human adult females, the primordial follicle is composed of a single oocyte surrounded by a layer of closely associated granulosa cells. In early stages of the ovarian … 查看更多內容 • ovary • theca • thecoma • polycystic ovarian syndrome (PCOS) 查看更多內容 important quotes from american born chinese