Urochorda

Urochorda
noun
tunicates
• Hypernyms: ↑phylum
• Member Holonyms: ↑Chordata, ↑phylum Chordata
• Member Meronyms:

* * *

\\ˌ ̷ ̷ ̷ ̷ˈkȯrdə\ noun plural
Usage: capitalized
Etymology: New Latin, from ur- (II) + chorda
: a subphylum or sometimes a class of marine animals (phylum Chordata) comprising the tunicates, including the orders Ascidiacea, Thaliacea, and Larvacea, and being distinguished by clefts in the vascular walls of the pharyngeal gills, by the secretion of a thick outer covering of tunicin for the body, by the reduction of the nervous system to little more than a single dorsally placed ganglion, and by a heart that so changes its contractions as to reverse the direction of the blood flow at intervals

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Urochorda — U ro*chor da, Urochordata U ro*chor da ta, prop. n. pl. [NL. See {Urochord}.] (Zo[ o]l.) Same as {Tunicata}. [1913 Webster] …   The Collaborative International Dictionary of English

  • urochorda — uro·chor·da …   English syllables

  • subphylum Urochorda — noun tunicates • Syn: ↑Urochordata, ↑subphylum Urochordata, ↑Urochorda, ↑Tunicata, ↑subphylum Tunicata • Hypernyms: ↑phylum • Member Holonyms: ↑ …   Useful english dictionary

  • Urochordata — Urochorda U ro*chor da, Urochordata U ro*chor da ta, prop. n. pl. [NL. See {Urochord}.] (Zo[ o]l.) Same as {Tunicata}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Ascidiaceae — noun sometimes classified as an order: sea squirts • Syn: ↑class Ascidiaceae • Hypernyms: ↑class • Member Holonyms: ↑Urochordata, ↑subphylum Urochordata, ↑Urochorda, ↑ …   Useful english dictionary

  • Chordata — noun comprises true vertebrates and animals having a notochord • Syn: ↑phylum Chordata • Hypernyms: ↑phylum • Member Holonyms: ↑Animalia, ↑kingdom Animalia, ↑animal kingdom …   Useful english dictionary

  • class Ascidiaceae — noun sometimes classified as an order: sea squirts • Syn: ↑Ascidiaceae • Hypernyms: ↑class • Member Holonyms: ↑Urochordata, ↑subphylum Urochordata, ↑Urochorda, ↑subphylum Ur …   Useful english dictionary

  • class Larvacea — noun small free swimming tunicates; sometimes classified as an order • Syn: ↑Larvacea • Hypernyms: ↑class • Member Holonyms: ↑Urochordata, ↑subphylum Urochordata, ↑Urochorda, ↑ …   Useful english dictionary

  • class Thaliacea — noun small class of free swimming tunicates; sometimes classified as an order • Syn: ↑Thaliacea • Hypernyms: ↑class • Member Holonyms: ↑Urochordata, ↑subphylum Urochordata, ↑Urochorda, ↑ …   Useful english dictionary

  • Larvacea — noun small free swimming tunicates; sometimes classified as an order • Syn: ↑class Larvacea • Hypernyms: ↑class • Member Holonyms: ↑Urochordata, ↑subphylum Urochordata, ↑Urochorda, ↑ …   Useful english dictionary

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