Definition of Protostome

1. Noun. Any animal, of the former taxon ''Protostomia'', in which the mouth is derived from the embryonic blastopore ¹



¹ Source: wiktionary.com

Definition of Protostome

1. [n -S]

Protostome Pictures

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Lexicographical Neighbors of Protostome

protosome
protosomes
protosomite
protosomites
protostane
protostanes
protostar
protostars
protostele
protosteles
protostelic
protostelid
protostelids
protostellar
protostomatous
protostome (current term)
protostomes
protostomian
protostomians
protostomous
protosulphide
protosulphides
protosulphuret
protosulphurets
protosyntactic
protosyntactical
protosyntax
prototheme
protothemes
prototherian

Literary usage of Protostome

Below you will find example usage of this term as found in modern and/or classical literature:

1. Quarterly Journal of Microscopical Science edited by Biologists Limited, The Company of. (1880)
"The cavity of the cup at first communicates, as we have seen, with the exterior, by means of the aperture of invagination or protostome, and when this ..."

2. Journal of Morphology by Wistar Institute of Anatomy and Biology (1889)
"... and that this process represents approximately the phylogenetic origin of mouth and anus from the ancestral protostome, the explanation of mesoblastic ..."

3. History of the Human Body by Harris Hawthorne Wilder (1909)
"... and possesses a central axis with two poles, oral and apical, the former characterized by the presence of the gastrula mouth or protostome. ..."

4. History of the Human Body by Harris Hawthorne Wilder (1909)
"... en, neural canal; cnc, neurenteric canal; «/•, neuropore; ntc, notochord. ward and the protostome posterior and dorsal and in the median line. ..."

5. Zeitschrift für wissenschaftliche Zoologie by Albert von Kölliker (1892)
"... sich gleichwohl berechtigt glaubte, den Satz aufzustellen: »Le pore aquifere se trouve precisement au lieu oü se ferme le protostome. ..."

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