cephalochordate [sef΄ə lō kôr′dāt΄]
[< ModL Cephalochordata: see CEPHALO- & CHORDATE]
of a subphylum (Cephalochordata) of small, fishlike chordates that have a permanent notochord extending from the anterior to the posterior end
any animal of this subphylum; amphioxus; lancelet

English World dictionary. . 2014.

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  • cephalochordate — /sef euh loh kawr dayt/, adj. 1. belonging or pertaining to the Cephalochordata. n. 2. any chordate animal of the subphylum Cephalochordata, having fishlike characters but lacking a spinal column, comprising the lancelets. [ < NL Cephalochordata; …   Universalium

  • cephalochordate — 1. noun Any of the primitive fishlike creatures, of the subphylum Cephalochordata, including the lancets, that lack a true spine but have a notochord which, in the case of cephalochordates, reaches into the head, contrary to the Urochordata 2.… …   Wiktionary

  • cephalochordate — ceph·a·lo·chor·date (sef″ə lo korґdāt) any member of the Cephalochordata …   Medical dictionary

  • cephalochordate — /sɛfələˈkɔdeɪt/ (say sefuhluh kawdayt) adjective 1. denoting or relating to the Cephalochordata. –noun 2. a member of the Cephalochordata, a chordate subphylum including the lancelets, having fishlike characters but lacking a vertebral column.… …  

  • cephalochordate — noun fish like animals having a notochord rather than a true spinal column • Hypernyms: ↑chordate • Hyponyms: ↑lancelet, ↑amphioxus • Member Holonyms: ↑Cephalochordata, ↑subphylum Cephalochordata …   Useful english dictionary

  • chordate — /kawr dayt/, Zool. adj. 1. belonging or pertaining to the phylum Chordata, comprising the true vertebrates and those animals having a notochord, as the lancelets and tunicates. n. 2. a chordate animal. [1885 90; see CHORDATA] * * * Any member of… …   Universalium

  • endocrine system — Group of ductless glands that secrete hormones necessary for normal growth and development, reproduction, and homeostasis. The major endocrine glands are the hypothalamus, pituitary, thyroid, islets of Langerhans, adrenals, parathyroids, ovaries …   Universalium

  • Chordate — Chordata Temporal range: Early Cambrian – Recent, 540–0 Ma …   Wikipedia

  • amphioxus — /am fee ok seuhs/, n., pl. amphioxi / ok suy/, amphioxuses. Zool. lancelet. [1830 40; < NL: lit., sharp at both ends < Gk amphi AMPHI + oxýs pointed] * * * or lancelet Any of certain small marine chordates (invertebrate subphylum Cephalochordata) …   Universalium

  • animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… …   Universalium

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