| age of onset | The age or period of life at which a disease or the initial symptoms or manifestations of a disease appear in an individual. (12 Dec 1998) |
|---|---|
| age-related macular degeneration | A common macular degeneration beginning with drusen of the macula and pigment disruption and sometimes leading to severe loss of central vision. (05 Mar 2000) |
| age-specific rate | A rate for a specified age group, in which the numerator and denominator refer to the same age group. (05 Mar 2000) |
| age spot | <dermatology> A skin disorder seen with aging (or sun exposure) where there are flat patches of increased pigmentation on the skin. They are nonserious, benign and generally more important cosmetically. The most commonly appear on sun exposed areas such as the forehead and the back of the hands. Avoidance of the sun and the use of a sunscreen (SPF of 15) can reduce the incidence of these lesions. Creams and lotions are available which bleach the skin. Cryotherapy can be used in some cases. (27 Sep 1997) |
| age-structured model | <epidemiology> A mathematical model which take into consideration the division of the host population into different age classes. Such models can used to consider the consequences of such factors as age-dependent infection, morbidity or mortality rates or of age-specific vaccination schedules. (05 Dec 1998) |
| anatomical age | The age in terms of structure rather than of function or of passage of time. Synonym: physical age. (05 Mar 2000) |
| basal age | The highest mental age level of the Stanford-Binet intelligence scale at which all items are passed. (05 Mar 2000) |
| Binet age | The age of the normal child with whose intelligence (as measured by the Stanford-Binet scale) the intelligence of the abnormal child corresponds (the profoundly retarded individual functions like a child of 1 to 2 years; the moderately to severely retarded, 3 to 7 years; the borderline to mildly retarded, 8 to 12 years). (05 Mar 2000) |
| bone age | The stage of development of bone as adjudged by radiography, in contrast to chronologic age. (05 Mar 2000) |
| gestational age | <obstetrics> Foetal age of a newborn, calculated from the number of completed weeks since the first day of the mother's last menstrual period to the date of birth. (27 Sep 1997) |
| maternal age 35 and over | Pregnancy in women 35 or more years of age. It is used for normal pregnancies and for problems of pregnancy occurring in a woman's late reproductive years. These include effects on the mother's physical and mental health as well as risks of perinatal mortality and foetal abnormality. (12 Dec 1998) |
| paternal age | Age of the father. (12 Dec 1998) |
| menstrual age | The age of the conceptus computed from the start of the mother's last menstrual period. (05 Mar 2000) |
| mental age | A measure, expressed in years and months, of a child's measured intelligence relative to age norms as determined by testing with the Stanford-Binet intelligence scale. (05 Mar 2000) |
| childbearing age | The period in a woman's life between puberty and menopause. (05 Mar 2000) |