Hensen's node

Hensen's node

English-Korean animal medical dictionary. 2013.

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  • Hensen's node — (primitive knot) the rounded front end of the embryonic primitive streak. V. Hensen (1835 1924), German pathologist …   Medical dictionary

  • Hensen's node — primitive knot the rounded front end of the embryonic primitive streak [Hensen (1835–1924), German pathologist] …   The new mediacal dictionary

  • Hensen's node — (= primitive knot) Thickening of the avian blastoderm at the cephalic end of the primitive streak. Presumptive notochord cells become concentrated in this region. May well be a source of retinoic acid that is acting as a morphogen in the… …   Dictionary of molecular biology

  • Node — Literally a knot, a node is a collection of tissue. For example a lymph node, is a collection of lymphoid tissue. A nodule is a small node, a little collection of tissue. * * * 1. A knob or nodosity; a circumscribed swelling; in anatomy, a… …   Medical dictionary

  • Hensen body etc. — Hen·sen body, etc. (henґsən) [Victor Hensen, German anatomist and physiologist, 1835–1924] see under body and cell; see H band and M band, under band; see primitive node, under node; and see ductus reuniens …   Medical dictionary

  • Hensen — Victor, German anatomist and physiologist, 1835–1924. See H. canal, H. cell, H. disk, H. duct, H. knot, H. line, H. node, H. stripe …   Medical dictionary

  • Hensen knot — primitive knot, protochordal knot primitive node …   Medical dictionary

  • Victor Hensen — A Korbnetz, one of several inventions by Hensen to collect plankton. Christi …   Wikipedia

  • Hensen node — primitive n …   Medical dictionary

  • primitive knot — Hensen s node …   The new mediacal dictionary

  • Regional specification — In the field of developmental biology, regional specification is the process by which different areas are identified in the development of the early embryo. The process by which the cells become specified differs between organisms. Contents 1… …   Wikipedia

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