tooth row

tooth row
1) teeth in a mesial-distal line across the jaw in sharks and of the same age; not the same as (2) which strictly is called a file of teeth
2) in sharks, the line of functional and replacement teeth of different ages. The row is derived from a single germinal area usually at approximately right angles to the jaw cartilage

Dictionary of ichthyology. 2009.

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  • tooth file — in sharks, the line of functional and replacement teeth of different ages in a labial lingual direction. The row is derived from a single germinal area usually at approximately right angles to the jaw cartilage. Same as mis named tooth row (2).… …   Dictionary of ichthyology

  • Tooth enamel — Labeled molar Latin enamelum Code TA …   Wikipedia

  • tooth — W2S2 [tu:θ] n plural teeth [ti:θ] ↑ear, ↑nose, ↑tooth, ↑eye ▬▬▬▬▬▬▬ 1¦(in mouth)¦ 2¦(on a tool etc)¦ 3¦(power)¦ 4 fight tooth and nail 5 get your teeth into something …   Dictionary of contemporary English

  • tooth — [ tuθ ] (plural teeth [ tiθ ] ) noun count *** 1. ) any of the hard white objects inside your mouth that you use for biting and for CHEWING food: front/back teeth a loose/missing/broken tooth brush/clean your teeth: It s important to brush your… …   Usage of the words and phrases in modern English

  • tooth — toothlike, adj. /toohth/, n., pl. teeth, v., toothed /toohtht, toohdhd/, toothing /tooh thing, dhing/. n. 1. (in most vertebrates) one of the hard bodies or processes usually attached in a row to each jaw, serving for the prehension and… …   Universalium

  • tooth —   Niho (for various kinds, see niho and entries that follow it).     New tooth, niho hou, niho peku.     Eye tooth, maka ole.     Back tooth, ku i; ku i lena (yellowed, symbol of old age).     False tooth, niho ku i, niho ho okomo.     Loose… …   English-Hawaiian dictionary

  • tooth — [[t]tu͟ːθ[/t]] ♦♦♦ teeth 1) N COUNT: oft poss N Your teeth are the hard white objects in your mouth and which you use for biting and chewing. She had very pretty straight teeth... If a tooth feels very loose, your dentist may recommend that it s… …   English dictionary

  • tooth */*/*/ — UK [tuːθ] / US [tuθ] noun [countable] Word forms tooth : singular tooth plural teeth UK [tiːθ] / US [tɪθ] 1) one of the hard white objects inside your mouth that you use for biting and for chewing food front/back teeth a loose/missing/broken… …   English dictionary

  • tooth — /tuθ / (say toohth) noun (plural teeth /tiθ / (say teeth)) 1. (in most vertebrates) one of the hard bodies or processes usually attached in a row to each jaw, serving for the prehension and mastication of food, as weapons of attack or defence,… …  

  • tooth — [[t]tuθ[/t]] n. pl. teeth, [[t]ˈtu θɪŋ, ðɪŋ[/t]] 1) den (in most vertebrates) one of the hard bodies or processes usu. attached in a row to each jaw, serving for the prehension and mastication of food, as weapons of attack or defense, etc., and… …   From formal English to slang

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