See Also: primitive knot(medicine)
primitive gut(medicine)
primitive(dictionary)
Primitive(health)
Primitive(medicine)
primitive pit(medicine)
knot(encyclopedia)
knot(2)(dictionary)
knot(dictionary)
net knot(medicine)

duppy (iou) and primitive knot (medicine)


duppy (iou)



duppy noun. W. Indies. L18.
[Origin uncertain: perh. W. African.]
A ghost or spirit, usu. a malevolent one but occas. a good-natured one.

primitive knot (medicine)


primitive knot -->
primitive node


A local thickening of the blastoderm at the cephalic end of the primitive streak of the embryo.

Synonym: Hensen's knot, Hensen's node, Hubrecht's protochordal knot, primitive knot, protochordal knot.