- Hensen node
- primitive n.
Medical dictionary. 2011.
Medical dictionary. 2011.
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'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 — 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
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
Victor Hensen — A Korbnetz, one of several inventions by Hensen to collect plankton. Christi … Wikipedia
skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… … Universalium
primitive knot — Hensen s node … The new mediacal dictionary