- Hensen's node
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the rounded front end of the embryonic primitive streak.V. Hensen (1835-1924), German pathologist
Medical dictionary. 2011.
Hensen's node
Look at other dictionaries:
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
