parachordal cartilage


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par·a·chor·dal car·ti·lage

cartilage primordia adjacent on either side to the cephalic portion of the notochord in young embryos; they represent an initial step in the formation of the chondrocranium.

parachordal cartilage

One of a pair of cartilages in the cephalic portion of the notochord of the embryo that unites in humans to form a single basal plate that is the forerunner of the occipital bone.
See also: cartilage