primitive furrow

primitive furrow
primordial furrow see under groove.

Medical dictionary. 2011.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • primitive groove — n a depression or groove in the epiblast of the primitive streak that extends forward to the primitive knot * * * a lengthwise median furrow in the primitive streak of the embryo; in human embryos it is clearly visible during the third week.… …   Medical dictionary

  • 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

  • Primitive ventricle — Infobox Embryology Name = PAGENAME Latin = GraySubject = 135 GrayPage = 512 Caption = Heart of human embryo of about fourteen days. Caption2 = Interior of dorsal half of heart from a human embryo of about thirty days. System = CarnegieStage = 11… …   Wikipedia

  • furrow — A groove or sulcus. [A.S. furh] digital f. SYN: digital crease. genital f. a groove on the genital tubercle in the embryo, appearing toward the end of the second month. gluteal f. SYN: gluteal …   Medical dictionary

  • groove — A narrow, elongate depression or furrow on any surface. SEE ALSO: sulcus. alveolobuccal g. the upper and lower half of the buccal vestibule on each side. SYN: alveolobuccal sulcus, gingivobuccal g., gingivobuccal sulcus. alveololabial g. 1. the… …   Medical dictionary

  • Insect morphology — Legend of body parts Tagmata : A Head, B Thorax, C Abdomen. 1. antenna 2. ocelli (lower) 3. ocelli (upper) 4. compound eye 5. brain (cerebral ganglia) 6. prothorax …   Wikipedia

  • Insect wing — Original veins and wing posture of a dragonfly. Hoverflies hovering to mate …   Wikipedia

  • Sulcus — From the Latin for a groove, furrow, or trench. In medicine, there are many sulci (plural of sulcus) as, for example, the superior pulmonary sulcus. * * * 1. [TA] One of the grooves or furrows on the surface of the brain, bounding the several… …   Medical dictionary

  • orthopteran — /awr thop teuhr euhn/, adj. 1. orthopterous. n. 2. an orthopterous insect. [1895 1900; < NL Orthopter(a) (see ORTHOPTERON) + AN] * * * ▪ insect Introduction   broadly, any member of one of four insect orders. Orthopteran has come to be regarded… …   Universalium

  • Cleavage (embryo) — In embryology, cleavage is the division of cells in the early embryo. The zygotes of many species undergo rapid cell cycles with no significant growth, producing a cluster of cells the same size as the original zygote. The different cells derived …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”