| OHDS | Office of Human Development Services |
|---|---|
| HAM | hearing aid microphone; helical axis in motion; human albumin microsphere; human alveolar macrophage... |
| HBT | human brain thromboplastin; human breast tumor |
| HCS | Hajdu-Cheney syndrome; Hazard Communication Standard; health care support; hourglass contraction of ... |
| hCT | human calcitonin; human chorionic thyrotropin |
| early neonatal death | Death of a liveborn infant occurring less than 7 completed days (168 hours) from the time of birth, late neonatal death, death of a liveborn infant occurring after 7 completed days of age but before 28 completed days. (05 Mar 2000) |
|---|---|
| early-phase response | Prompt onset of symptoms following an antigenic stimulus. (05 Mar 2000) |
| early posttraumatic epilepsy | Seizures beginning within one week after severe head injury. (05 Mar 2000) |
| early reaction | Local or generalised response that begins within a few minutes to about an hour after exposure to an antigen to which the individual has been sensitised. See: skin test, wheal-and-erythema reaction. Synonym: early reaction. (05 Mar 2000) |
| early receptor potential | A voltage arising across the eye from a charge displacement within photoreceptor pigment, in response to an intense flash of light. (05 Mar 2000) |
| early region | <molecular biology> Part of a viral genome in which early genes genes that are transcribed and expressed early during infection of a cell are clustered. (18 Nov 1997) |
| early seizure | A seizure occurring within one week after craniocerebral trauma. (05 Mar 2000) |
| early seral species | <plant biology> Shrubs, such as ceanothus, and hardwoods, usually in tree form, such as red alder, bitter cherry and big leaf maple. These species start growing in natural succession soon after a disturbance (fire or logging). (05 Dec 1998) |
| early stage breast cancer | <oncology> Cancer is confined to the breast and has not spread to other sites in the body. (16 Dec 1997) |
| early syphilis | Primary, secondary, or early latent syphilis, before any tertiary manifestations have appeared. (05 Mar 2000) |
| Bayley Scales of Infant Development | A psychological test used to measure the developmental progress of infants over the first two and one-half years of life; consists of three scales: mental, motor, and behaviour record. (05 Mar 2000) |
| bone development | Gross development of bones from foetus to adult. It includes osteogenesis, which is restricted to formation and development of bone from the undifferentiated cells of the germ layers of the embryo. It does not include osseointegration. (12 Dec 1998) |
| maxillofacial development | The process of growth and differentiation of the jaws and face. (12 Dec 1998) |
| child development | The continuous sequential physiological and psychological maturing of the child from birth up to but not including adolescence. It includes healthy responses to situations, but does not include growth in stature or size (= growth). (12 Dec 1998) |
| child development disorders, pervasive | Severe distortions in the development of many basic psychological functions that are not normal for any stage in development. These distortions are manifested in sustained social impairment, speech abnormalities, and peculiar motor movements. (12 Dec 1998) |