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a depression in the primitive node of the primitive streak at the cranial end of the primitive groove; it may open abnormally into a neurenteric canal.Medical dictionary. 2011.
Primitive pit — Infobox Embryology Name = PAGENAME Latin = GraySubject = GrayPage = Caption = Surface view of embryo of Hylobates concolor. The amnion has been opened to expose the embryonic disk. (Primitive pit not labeled, but region is visible.) Caption2 =… … Wikipedia
primitive pit — noun : a depression immediately behind the primitive knot in which the primitive groove ends … Useful english dictionary
Primitive knot — Latin nodus primitivus Gray s subject #6 47 Days 17 The primitive knot (or primitive node) is the organizer for gastrulation in vertebrates … Wikipedia
Primitive streak — Infobox Embryology Name = Primitive streak Latin = GraySubject = 6 GrayPage = 47 Caption = Surface view of embryo of a rabbit. arg. Embryonic disk. pr. Primitive streak. Caption2 = Width = 215 System = CarnegieStage = 6b Days = 15 Precursor =… … Wikipedia
Pit viper — Pit Viper … Wikipedia
pit-dwelling — pitˈ dwelling noun A primitive home made by roofing over a pit • • • Main Entry: ↑pit … Useful english dictionary
pit — 1. SYN: fovea. 2. One of the pinhead sized depressed scars following the pustule of acne, chickenpox, or smallpox (pockmark). 3. A sharp pointed depression in the enamel surface of a tooth, due to faulty or incomplete … Medical dictionary
Primitive Methodism — methodismPrimitive Methodism was a major movement in English Methodism from about 1810 until the Methodist Union in 1932. The Primitive Methodist Church still exists in the United States. OriginsPrimitive Methodism was born in Staffordshire in… … Wikipedia
Primitive Methodist Chapel, Nantwich — Former Primitive Methodist Chapel, Welsh Row, Nantwich The Primitive Methodist Chapel is a former Primitive Methodist church on Welsh Row in Nantwich, Cheshire, England (at … Wikipedia
pit dwelling — noun : pit house * * * a primitive dwelling consisting of a pit excavated in the earth and roofed over. Also called pit house. [1895 1900] … Useful english dictionary
