dictionary help| chordata | medical dictionary |
A phylum of the animal kingdom comprising all the animals that have a notochord (the primitive axis of the body) during some stage of their development. It includes the subphyla cephalochordata, urochordata, and vertebrata (vertebrates).
(12 Dec 1998)
chorda saliva, chorda spermatica, chorda spinalis < Prev | Next > chordate, chorda tympani, chorda tympani nerve
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