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Protosome vs Protostome - What's the difference?

protosome | protostome |

As nouns the difference between protosome and protostome

is that protosome is the proboscis of hemichordate animals while protostome is any animal, of the former taxon Protostomia, in which the mouth is derived from the embryonic blastopore.

protosome

English

Noun

(en noun)
  • the proboscis of hemichordate animals

    • Related terms

    *mesosome *metasome

    protostome

    English

    (wikipedia protostome)

    Noun

    (en noun)
  • Any animal, of the former taxon Protostomia , in which the mouth is derived from the embryonic blastopore

    • Related terms

    * protostomatous * protostomian * protostomous