| NAI | net acid input; no accidental injury; no acute inflammation; nonadherence index |
|---|---|
| NDP | net dietary protein; nucleoside diphosphate |
| NET | nasoendotracheal tube; nerve excitability test; neuroectodermal tumor; neuroendocrine tumor; norepin... |
| NHR | net histocompatibility ratio |
| NNP | neonatal nurse practitioner; nerve net pulse |
| bed of stomach | The structures against which the posteroinferior surface of the stomach lies, and from which it is separated, for the main part, by the omental bursa; includes diaphragm, left suprarenal gland, upper part of left kidney, splenic artery, anterior aspect of pancreatic body and tail, left colic flexure, and transverse mesocolon. (05 Mar 2000) |
|---|---|
| bed rest | Confinement of an individual to bed for therapeutic or experimental reasons. (12 Dec 1998) |
| bed rock | <chemical> The solid rock underlying superficial formations. Also Source: Websters Dictionary (01 Mar 1998) |
| bed-wetting | The involuntary passage of urine at nighttime in children age 4 to 5 years. most bed-wetting stops by the age of three. Enuresis is twice as common in boys as in females. Causes have been attributed to delay in bladder muscle development, adjustment disorder (parents too controlling or aggressive, too early (and too coercive) of toilet training, diabetes and spinal cord lesions (rare). A urinary tract infection should be excluded in the cases of a sudden onset of bed-wetting. Treatment includes behaviour modification (rewarding good behaviour), supportive and helpful attitude by parents, limiting fluids at bedtime and alarm devices (a sleep pad that sets off an alarm when it gets wet). Vasopressin nasal spray has been used successfully to treat this condition in some children. (27 Sep 1997) |
| capillary bed | The capillaries considered collectively and their volume capacity for blood. (05 Mar 2000) |
| Gatch bed | A bed with divided sections for independent elevation of a patient's head and knees. (05 Mar 2000) |
| parotid bed | The structures which surround and contact the parotid, forming the boundaries of the parotid space: anteriorly, the ramus of the mandible flanked by the masseter and medial pterygoid muscles; medially, the pharyngeal wall, carotid sheath and structures originating from the styloid process; posteriorly, the mastoid process, sternocleidomastoid muscle, and posterior belly of the digastric muscle; superiorly, the temporomandibular joint and the tympanic bone and cartilaginous portion of the external acoustic meatus. (05 Mar 2000) |
| water bed | A mattress in the form of a closed rubber bag filled with water; used to prevent or treat pressure sores by equalizing the distribution of the patient's weight against the support. (05 Mar 2000) |
| mud bed | A bed in which the mattress consists of semiliquid mud made from special clays, covered with a sheet of plastic material; used to widely distribute the pressure of the body weight over the dependent surface, for patients with burns or large anaesthetic areas. (05 Mar 2000) |
| crests of nail bed | The numerous longitudinal ridges of the nail bed distal to the lunula. Synonym: cristae matricis unguis. (05 Mar 2000) |
| hospital bed capacity | The number of beds which a hospital has been designed and constructed to contain. It may also refer to the number of beds set up and staffed for use. (12 Dec 1998) |
| nail bed | The area of the corium on which the nail rests; it is extremely sensitive and presents numerous longitudinal ridges on its surface. According to some anatomists, the nail bed is the portion covered by the body of the nail, the nail matrix being only the part on which the root of the nail rests. Synonym: matrix unguis, keratogenous membrane, nail matrix, onychostroma. (05 Mar 2000) |
| fluidised-bed boiler | A large, refractory-lined vessel with an air distribution member or plate in the bottom, a hot gas outlet in or near the top, and some provisions for introducing fuel. The fluidised bed is formed by blowing air up through a layer of inert particles (such as sand or limestone) at a rate that causes the particles to go into suspension and continuous motion. The super-hot bed material increased combustion efficiency by its direct dontact with the fuel. (05 Dec 1998) |
| fracture bed | A narrow, extra-firm bed for treatment of fractures; usually incorporates an overhead frame for traction apparatus. (05 Mar 2000) |