| EAC | Ehrlich ascites carcinoma; electroacupuncture; epithelioma adenoides cysticum; erythema annulare cen... |
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| IAC | image analysis cytometry; ineffective airway clearance; internal auditory canal; interposed abdomina... |
| ITC | imidazolyl-thioguanine chemotherapy; Interagency Testing Committee; in the canal [hearing aid] |
| MEC | median effective concentration; middle ear canal; middle ear cell; minimum effective concentration |
| PC | avoirdupois weight [Lat. pondus civile]; packed cells; paper chromatography; paracortex; parent cell... |
| birth | 1. The act or fact of coming into life, or of being born; generally applied to human beings; as, the birth of a son. 2. Lineage; extraction; descent; sometimes, high birth; noble extraction. "Elected without reference to birth, but solely for qualifications." (Prescott) 3. The condition to which a person is born; natural state or position; inherited disposition or tendency. "A foe by birth to Troy's unhappy name." (Dryden) 4. The act of bringing forth; as, she had two children at a birth. "At her next birth." 5. That which is born; that which is produced, whether animal or vegetable. "Poets are far rarer births that kings." (B. Jonson) "Others hatch their eggs and tend the birth till it is able to shift for itself." (Addison) 6. Origin; beginning; as, the birth of an empire. New birth, regeneration, or the commencement of a religious life. Synonym: Parentage, extraction, lineage, race, family. Origin: OE. Burth, birth, AS. Beor, gebyrd, fr. Beran to bear, bring forth; akin to D. Geboorate, OHG. Burt, giburt, G. Geburt, Icel. Burr, Skr. Bhrti bearing, supporting; cf. Ir. & Gael. Beirthe born, brought forth. 92. See 1st Bear, and cf. Berth. Source: Websters Dictionary (01 Mar 1998) |
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| birth amputation | Amputation produced in utero; attributed to the pressure of constricting bands (amniotic); autosomal recessive inheritance. Synonym: amniotic amputation, amputation, birth amputation, intrauterine amputation, spontaneous amputation. (05 Mar 2000) |
| birth certificates | Official certifications by a physician recording the individual's birth date, place of birth, parentage and other required identifying data which are filed with the local registrar of vital statistics. (12 Dec 1998) |
| birth control | Restriction of the number of offspring by means of contraceptive measures, projects, programs, or methods to control reproduction, by either improving or diminishing fertility. (05 Mar 2000) |
| birth defect | Defect present at birth; sometimes referred to as congenital defect. (05 Mar 2000) |
| birth fracture | Fracture occurring during the trauma of delivery or, occasionally, before delivery in infants with osteogenesis imperfecta. (05 Mar 2000) |
| birth injuries | Mechanical or anoxic trauma incurred by the infant during labour or delivery. (12 Dec 1998) |
| birth intervals | Interval between onset of sexual relations by a woman and the birth of her first child and intervals between successive births. This includes use of family planning to control birth intervals. (12 Dec 1998) |
| birth order | The sequence in which children are born into the family. (12 Dec 1998) |
| birth palsy | Indefinite term for any motor abnormality in the infant caused by or attributed to the birthing process; includes obstetrical paralysis, infantile hemiplegia, etc. Synonym: infantile hemiplegia. (05 Mar 2000) |
| birth rate | The birth rate is usually given as the number of live births divided by the average population (or the population at midyear). This is termed the crude birth rate. In 1995, for example, the crude birth rate per 1,000 population was 14 in the United States, 16.9 in Australia, etc. (12 Dec 1998) |
| birth trauma | Physical injury to an infant during its delivery, the supposed emotional injury, inflicted by events incident to birth, upon an infant which allegedly appears in symbolic form in patients with mental illness. Trauma from occlusion, a reversible lesion in the periodontium caused by excessive movement of teeth. Occlusal trauma, abnormal occlusal stresses capable of producing or which have produced pathologic changes in the tooth and its surrounding structures. Psychic trauma, an upsetting experience precipitating or aggravating an emotional or mental disorder. (05 Mar 2000) |
| birth weight | In humans, the first weight of an infant obtained within less than the first 60 completed minutes after birth; a full-size infant is one weighing 2500 g or more; a low birth weight is less than 2500 g. (05 Mar 2000) |
| brachial birth palsy | Paralysis of the infant's arm due to injury received at birth usually resulting from a shoulder dystocia; three types are recognised: 1) whole arm; 2) upper arm (Erb's p.); 3) forearm (Klumpke's paralysis). (05 Mar 2000) |
| vaginal birth after cesarean | Delivery of an infant through the vagina in a female who has had a prior cesarean section. (12 Dec 1998) |