Primitive node
primitive node n.
A knotlike thickening at the anterior end of the primitive streak of the blastoderm at the point of origin of the embryonic head. Also called Hensen’s node, primitive knot.
Read Also:
- Primitive-polynomial
noun, Mathematics. 1. a polynomial that has content equal to 1. Compare content1 (def 11a).
- Primitive streak
primitive streak n. An ectodermal ridge in the midline at the caudal end of the embryonic disk from which the intraembryonic mesoderm arises.
- Primitivism
noun 1. a recurrent theory or belief, as in philosophy or art, that the qualities of primitive or chronologically early cultures are superior to those of contemporary civilization. 2. the state of being primitive: the primitivism of the Stone Age peoples. 3. the qualities or style characterizing primitive art. noun 1. the condition of being […]
- Primitivistic
noun 1. a recurrent theory or belief, as in philosophy or art, that the qualities of primitive or chronologically early cultures are superior to those of contemporary civilization. 2. the state of being primitive: the primitivism of the Stone Age peoples. 3. the qualities or style characterizing primitive art. noun 1. the condition of being […]
- Primitivity
adjective 1. being the first or earliest of the kind or in existence, especially in an early age of the world: primitive forms of life. 2. early in the history of the world or of humankind. 3. characteristic of early ages or of an early state of human development: primitive toolmaking. 4. Anthropology. of or […]