Body dysmorphic disorder

A psychological condition characterized by excessive worry about an imagined or minor physical flaw to the point that it can interfere with normal daily activities.


The hard portion of the connective tissue that constitutes the majority of the skeleton. It consists of an inorganic component (67%, minerals such as calcium phosphate) and an organic component (33%, collagenous matrix and cells) Cortical bone. Syn.: Compact bone. The noncancellous hard and dense portion of bone consisting largely of concentric lamellar osteons and …

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bone conduction

Bone conduction is the conduction of sound to the inner ear through the bones of the skull. Bone conduction transmission can be used with individuals with normal or impaired hearing. Bone conduction is used in the following applications: – hands-free headsets or headphones – bone-anchored hearing aids with assistive listening devices – specialized communication products …

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Bone density

There are different definitions, non of them with exact reliable data for clinical use: 1, Histological: The “density” is calculated from the percentage of all bone tissue that is constituted by mineralized bone 2, Radiological: Mineral in bone is measured by x-ray translucency, defined as Hounsfield units. 3, Clinical: Tactile assessment of bone quality while …

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Bone expansion

Surgical widening of bone to augment its volume. In oral implantology also: Ridge expansion (or splitting) to widen the residual ridge.

Bone marrow

Soft spongy tissue found in the center of bone that contains fat and/or hematopoietic tissues.


Of or pertaining to cattle.

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