basal seat

basal seat,

(in dentistry) the oral structures that support a denture. See also basal seat outline.

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basal (baz´l),

adj 1. describing the minimal functions necessary for life.
adj 2. located at or forming the base of a structure.
n 3. the fundamental structures from which an organism is derived.

basal bone,

n portion of the jawbones that forms the body of the maxilla or mandible.

basal lamina,

n a layer composed of the lamina densa and the lamina lucida. It is an extracellular matrix that lies beneath the epithelium and is believed to inhibit cell migration. The term is usually associated with electron microscopy, whereas the term
basement membrane is usually associated with light microscopy.

basal layer,

n See stratum basale.

basal metabolic rate (BMR)

n a type of basal rate, or energy exchange, determined by means of a clinical test of oxygen consumption in a subject who has had a good night's rest, has fasted for 12 to 14 hours, and has been physically, mentally, and emotionally at rest for 30 minutes; usually indicated as a percentage of the normal calorie production per surface area, the normal values ranging between plus and minus 20%.

basal metabolism,

n See basal metabolic rate.

basal seat,

n the oral tissues and structures that support a denture.

basal seat area,

n See area, basal seat.

basal seat outline,

n an outline on the mucous membrane or on a cast of the entire area that is to be covered by a denture.

basal surface,

n See surface, basal.