释义 |
notochordal canal
notochordal canal[¦nōd·ə¦kord·əl kə′nal] (embryology) A canal formed by a continuation of the primary pit into the head process of mammalian embryos; provides a temporary connection between the yolk sac and amnion. notochordal canal
no·to·chor·dal ca·nala tubular passage extending from the primitive pit into the notochordal process of the embryo. See also: archenteric canal. |