- cuttlefish disk
- a dental disk with powdered cuttlefish bone bonded to its surface and edge.
Medical dictionary. 2011.
Medical dictionary. 2011.
disk — 1. A round, flat plate; any approximately flat circular structure. 2. SYN: lamella (2). 3. In dentistry, a circular piece of thin paper or other material, coated with an abrasive substance, used for cutting and polishing tee … Medical dictionary
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photoreception — photoreceptive, adj. /foh toh ri sep sheuhn/, n. the physiological perception of light. [1905 10; PHOTO + RECEPTION] * * * Biological responses to stimulation by light, most often referring to the mechanism of vision. In one celled organisms such … Universalium
Perceptual paradox — A Perceptual paradox illustrates the failure of a theoretical prediction. Theories of perception are supposed to help a researcher predict what will be perceived when senses are stimulated.A theory usually comprises a Mathematical model (formula) … Wikipedia
Abalone — For board game, see Abalone (board game). Abelone redirects here. For the wine grape that is also known as Abelone, see Chasselas. Abalone Living abalone in tank showing epipodium and tentacles, anterior end to the right … Wikipedia
Fish plate — This article relates to the type of Greek pottery. For the connection bar used in railways, see Fishplate. A fish plate is a Greek pottery vessel used by western, Hellenistic Greeks during the Fourth Century B.C. Although invented in Fifth… … Wikipedia
integument — /in teg yeuh meuhnt/, n. 1. a natural covering, as a skin, shell, or rind. 2. any covering, coating, enclosure, etc. [1605 15; < L integumentum a covering. See IN 2, TEGUMENT] Syn. 1. cortex, involucre, involucrum. * * * Covering of the body,… … Universalium
nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… … Universalium
Tunisia — Tunisian, adj., n. /tooh nee zheuh, sheuh, nizh euh, nish euh, tyooh /, n. a republic in N Africa, on the Mediterranean: a French protectorate until 1956. 9,183,097; 48,330 sq. mi. (125,175 sq. km). Cap.: Tunis. * * * Tunisia Introduction Tunisia … Universalium