| infant, newborn | An infant during the first month after birth. (12 Dec 1998) |
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| infant, newborn, diseases | Diseases of newborn infants present at birth (congenital) or developing within the first month of birth. It does not include hereditary diseases not manifesting at birth or within the first 30 days of life nor does it include inborn errors of metabolism. Both hereditary diseases and metabolism, inborn errors are available as general concepts. (12 Dec 1998) |
| infant, postmature | An infant born at or after 42 weeks of gestation. (12 Dec 1998) |
| infant, premature | An infant born before 38 weeks of gestation. (12 Dec 1998) |
| infant, small for gestational age | An infant having a birth weight lower than expected for its gestational age. (12 Dec 1998) |
| infant, very low birth weight | An infant having a birth weight of 1500 grams (3.3 lb.) or less. (12 Dec 1998) |
| infanticide | The killing of infants at birth or soon after. (12 Dec 1998) |
| infantile | Pertaining to an infant or to infancy. Origin: L. Infantilis (18 Nov 1997) |
| infantile acute haemorrhagic oedema of the skin | A generally benign form of cutaneous vasculitis, characterised by ecchymotic purpura, often in a cockade pattern, and inflammatory oedema in infants. (05 Mar 2000) |
| infantile autism | A severe emotional disturbance of childhood characterised by qualitative impairment in reciprocal social interaction and in communication, language, and social development. Synonym: autistic disorder, childhood schizophrenia, early infantile autism, Kanner's syndrome. (05 Mar 2000) |
| infantile beriberi | Beriberi appearing in a breast-fed infants whose mother has beriberi due to thiamin deficiency. It is mainly the "wet" form of beriberi, characterised by heart failure with marked peripheral oedema (which is otherwise unusual in heart failure in infancy). An often fatal disease, acute in onset, which was formerly common in the Far Eastern countries where rice is consumed; reversible with thiamin. (05 Mar 2000) |
| infantile brain tumours | <radiology> Can be present at birth: choroid plexus papilloma, medulloblastoma, craniopharyngioma, ependymoma, astrocytoma, teratoma (12 Dec 1998) |
| infantile cataract | A cataract affecting a very young child. (05 Mar 2000) |
| infantile coeliac disease | Gluten-sensitive enteropathy appearing in infancy, often before the age of 9 months and characterised by acute onset, diarrhoea, abdominal pain, and "failure to thrive." (05 Mar 2000) |
| infantile colic | Episodes of abdominal pain due to abnormal muscular contraction of the intestine in infants. (05 Mar 2000) |