notochord
Look at other dictionaries:
Notochord — Transverse section of a chick embryo of forty five hours’ incubation. Latin notochorda Gray s … Wikipedia
Notochord — No to*chord, n. [Gr. nw^ton the back + E. chord.] (Anat.) An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the… … The Collaborative International Dictionary of English
Notochord — Notochord, s. Chorda dorsalis … Meyers Großes Konversations-Lexikon
Notochórd — (grch.), Wirbelsaite, s. Chorda … Kleines Konversations-Lexikon
notochord — (n.) 1848, coined in English by English anatomist Sir Richard Owen (1804 1892) from CHORD (Cf. chord) + comb. form of Gk. noton back, from PIE *not buttock, back (Cf. L. natis buttock, sopurce of It., Sp. nalga, O.Fr. nache buttock, butt ) … Etymology dictionary
notochord — [nōt′ə kôrd΄] n. [ NOTO + CHORD1] 1. an elongated, rod shaped structure composed of cells, forming the primitive supporting axis of the body in the lowest chordates and lying between the digestive tract and the central nervous system 2. a similar … English World dictionary
notochord — notochordal, adj. /noh teuh kawrd /, n. Embryol. a rodlike cord of cells that forms the chief axial supporting structure of the body of the lower chordates, as amphioxus and the cyclostomes, and of the embryos of the vertebrates. [1840 50; NOTO + … Universalium
Notochord — Bauplan eines Lanzettfischchen mit Chorda dorsalis (2) zwischen dem Neuralrohr (1, 3) und dem Kiemendarm (6, 9, 11) Die Chorda dorsalis („Rückensaite“; von lat. chorda bzw. griech. chorde „Darm“, „Darmsaite“ und lat. dorsum „Rücken“), auch… … Deutsch Wikipedia
notochord — the skeletal rod consisting of a sheath firmly packed with cells which lie above the gut and below the nerve cord. The notochord is persistent when it remains as a continuous skeletal support (e.g. Amphioxi, Holocephali, Acipenseridae,… … Dictionary of ichthyology
notochord length — the distance from the snout tip to the posterior tip of the notochord. Abbreviated as NL … Dictionary of ichthyology
notochord — noun Etymology: Greek nōton, nōtos back + Latin chorda cord more at cord Date: 1848 a longitudinal flexible rod of cells that in the lowest chordates (as a lancelet or a lamprey) and in the embryos of the higher vertebrates forms the supporting… … New Collegiate Dictionary
