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The hymen is a thin piece of mucosal tissue that surrounds or partially covers the vaginal introitus.A small percentage are born with hymens that are imperforate and completely obstruct the vaginal canal.
The corona radiata is the innermost layer of the cells of the cumulus oophorus and is directly adjacent to the zona pellucida, the inner protective glycoprotein layer of the ovum. [1]
Nomina Anatomica (NA) was the international standard on human anatomic terminology from 1895 until it was replaced by Terminologia Anatomica in 1998.. In the late nineteenth century some 30,000 terms for various body parts were in use.
Diagram of archegonium anatomy. An archegonium (pl.: archegonia), from the Ancient Greek ἀρχή ("beginning") and γόνος ("offspring"), is a multicellular structure or organ of the gametophyte phase of certain plants, producing and containing the ovum or female gamete.
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Usnea is a genus of fruticose lichens in the large family Parmeliaceae.The genus, which currently contains roughly 130 species, was established by Michel Adanson in 1763. . Species in the genus grow like leafless mini-shrubs or tassels anchored on bark or
Gestational diabetes is a condition in which a woman without diabetes develops high blood sugar levels during pregnancy. [2] Gestational diabetes generally results in few symptoms. [2]
The abdominal cavity contains most organs of the digestive system, including the stomach, the small intestine, and the colon with its attached appendix.Other digestive organs are known as the accessory digestive organs and include the liver, its attached gallbladder, and the pancreas, and these communicate with the rest of the system via various ducts.