Ootheca
  • September 22, 2024

Buckle up, bug lovers, because we’re about to embark on a wild ride through the wacky world of oothecae! 🐛🥚🎢 Picture this: You’re a lady mantis, feeling frisky after a…

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Ascus (Mythology)
  • September 22, 2024

Ascus (Ancient Greek: Ἄσκος) was a giant from ancient Greek mythology, who in conjunction with Lycurgus of Thrace chained the god Dionysus and threw him into a river. The god Hermes (or, according to other tellings, Zeus) rescued Dionysus, conquered…

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Thecal Sac or Dural Sac
  • September 22, 2024

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.[1] From the skull the tube adheres…

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Theca folliculi
  • September 22, 2024

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.[1] Theca cells are a group…

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Theca
  • September 22, 2024

In biology, a theca (pl.: thecae) is a sheath or a covering. Botany The typical anther is bilocular, i.e. it consists of two thecae. Each theca contains two microsporangia, also known as pollen sacs.…

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Xylotheque
  • September 22, 2024

A xylotheque or xylothek (from the Greek xylon for “wood” and theque meaning “repository”) is special form of herbarium that consists of a collection of authenticated wood specimens.[1] It is also known as a xylarium (from the Greek xylon for “wood” and Latin arium meaning “separate place”).…

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Steroidogenic factor 1 (SF-1) protein and a few related things
  • February 5, 2024

The steroidogenic factor 1 (SF-1) protein is a transcription factor involved in sex determination by controlling the activity of genes related to the reproductive glands or gonads and adrenal glands. This protein is encoded by the NR5A1 gene, a member of the nuclear receptor subfamily, located…

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It Ain’t Easy Being Green
  • July 20, 2023

Is this why they have gone off the rails with the beta carotene and related things? Thoughts for another day. A search for “green plasma” at pubmed turns up 130…

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