Primitive furrow
primitive furrow n.
The groove in the primitive streak of the embryonic disk.
Read Also:
- Primitive-gut
noun 1. archenteron. noun, plural archentera [ahr-ken-ter-uh] /ɑrˈkɛn tər ə/ (Show IPA). Embryology. 1. the primitive enteron or digestive cavity of a gastrula. noun 1. the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity archenteron ar·chen·ter·on (är-kěn’tə-rŏn’, -tər-ən) n. See gastrocele.
- Primitively
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 […]
- Primitive-methodist
noun 1. a member of a Protestant denomination (Primitive Methodist Church) founded in England in 1812 and later established in the U.S., characterized by its adherence to the basic doctrines, principles, and practices taught by John Wesley. 2. a member of a Protestant denomination (Primitive Methodist Church in Great Britain) that united with other British […]
- Primitiveness
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 […]
- 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.