inner end (of tooth)

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• Tooth brushing — is the act of cleaning teeth with a toothbrush.Modern medical research has shown that brushing teeth properly can prevent cavities, gingivitis, and periodontal, or gum disease, which causes at least one third of adult tooth loss. If teeth are not …   Wikipedia

• Tooth development — Radiograph of lower right (from left to right) third, second, and first molars in different stages of development. Tooth development or odontogenesis is the complex process by which teeth form from embryonic cells, grow, and erupt into the mouth …   Wikipedia

• 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

• Jaw tooth — Jaw Jaw (j[add]), n. [A modification of chaw, formed under the influence of F. joue the cheek. See {Chaw}, {Chew}.] [1913 Webster] 1. (Anat.) (a) One of the bones, usually bearing teeth, which form the framework of the mouth. (b) Hence, also, the …   The Collaborative International Dictionary of English

• Egg tooth — In some egg laying animals, the egg tooth is a small, sharp, cranial protuberance used by offspring to break or tear through the egg s surface during hatching. It is present in most birds and reptiles, and similar structures exist in monotremes,… …   Wikipedia

• pharyngeal tooth count — pharyngeal tooth counts (of Cyprinidae) are presented in a formula from the outer to the inner rows of the left arch, then the inner to the outer rows of the right arch, e.g. 2,5 4,2 means 2 teeth in the outer and 5 teeth in the inner row of the… …   Dictionary of ichthyology

• pharyngeal tooth formula — pharyngeal tooth counts (of Cyprinidae) are presented in a formula from the outer to the inner rows of the left arch, then the inner to the outer rows of the right arch, e.g. 2,5 4,2 means 2 teeth in the outer and 5 teeth in the inner row of the… …   Dictionary of ichthyology

• reptile — reptilelike, adj. reptiloid /rep tl oyd /, adj. /rep til, tuyl/, n. 1. any cold blooded vertebrate of the class Reptilia, comprising the turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara, and various extinct members including the… …   Universalium

• List of gear nomenclature — Gears have a wide range of unique terminology known as gear nomenclature. Many of the terms defined cite the same reference work.[1] Contents 1 Addendum 2 Addendum angle 3 Addendum circle …   Wikipedia

• ear, human — ▪ anatomy Introduction       organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium).  The human ear, like …   Universalium

• Mechanical watch — The movement of a Russian watch A mechanical watch is a watch that uses a mechanical mechanism to measure the passage of time, as opposed to modern quartz watches which function electronically. It is driven by a spring (called a mainspring) which …   Wikipedia