notochordal canal

no·to·chor·dal ca·nal

a tubular passage extending from the primitive pit into the notochordal process of the embryo.
See also: archenteric canal.

notochordal canal

[no′tōkôr′dəl]

Etymology: Gk, noton + chorde, cord; L, canalis, channel

a tubular passage that extends from the primitive pit into the head process during the early stages of embryonic development in mammals. It perforates the splanchnopleure layer so that the yolk sac and the amnion are connected temporarily. Also called chordal canal.