Notochordal canal | Article about notochordal canal by The Free Dictionary
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notochordal canal[¦nōd·ə¦kord·əl kə′nal]
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.
References in periodicals archive
Persistence of canal on basilar part of clivus is a rare congenital defect of skull base representing an embryological remnant depicting the cephalic end of the notochord and corresponds to the course of the notochordal canal
in the basiocciput caudally.
Persistence of the notochordal canal
: MR and plain film appearance.
The fossil has a widely opened notochordal canal
suggesting it represents a larval individual (Rogers 1985).