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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] Any part of a microsporophyll that bears microsporangia is called an anther. Most anthers are formed on the apex of a filament.
Encephalartos villosus microsporophylls with microsporangia. A microsporangium (pl. microsporangia) is a sporangium that produces microspores that give rise to male gametophytes when they germinate. Microsporangia occur in all vascular plants that have heterosporic life cycles, such as seed plants, spike mosses and the aquatic fern genus Azolla.
Hyperthecosis, or ovarian hyperthecosis, is hyperplasia of the theca interna of the ovary. [1] Hyperthecosis occurs when an area of luteinization occurs along with stromal hyperplasia. The luteinized cells produce androgens , which may lead to hirsutism and virilization (or masculinization) in affected women.
The Chen Institute was founded by Chrissy and Tianqiao Chen, both philanthropists known for co-founding the Chinese conglomerate Shanda Group in 1999. [2] [5] They decided to create the Chen Institute to fund various brain-related research initiatives and institutions, [6] citing a project by Caltech scientist Richard Andersen as being particularly inspirational.
Service Program for Older People (SPOP) is a nonprofit community-based mental health agency that serves adults age 55 and older. It is one of only a handful of agencies in New York City that focus entirely on the mental health needs of older people. [ 1 ]
A subdural hygroma (SDG) is a collection of cerebrospinal fluid (CSF), without blood, located under the dural membrane of the brain. Most subdural hygromas are believed to be derived from chronic subdural hematomas. They are commonly seen in elderly people after minor trauma but can also be seen in children following infection or trauma.
On Lok Senior Health Services was created in 1971 to address the long-term care needs of older immigrants in San Francisco's Chinatown-North Beach neighborhood. [3] After its founding, between 1973 and 1975, On Lok expanded to include day centers, in-home care, home-delivered meals, and housing assistance. [ 3 ]
The original program designed by Lynne Carroll was based on Alcoholics Anonymous principles, especially the Twelve Steps. In the first 18 months, 156 men were helped. In 1953, the Fellowship Club was established as a halfway house to provide additional help for patients after attending the Center City program. The Dellwood site was later moved ...