| HP:0000007 | Autosomal recessive inheritance | "A mode of inheritance that is observed for traits related to a gene encoded on one of the autosomes (i.e., the human chromosomes 1-22) in which a trait manifests in homozygotes. In the context of medical genetics, autosomal recessive disorders manifest in homozygotes (with two copies of the mutant allele) or compound heterozygotes (whereby each copy of a gene has a distinct mutant allele)." [HPO:curators] |
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| HP:0000238 | Hydrocephalus | |
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| HP:0000252 | Microcephaly | "Microcephaly is a neurodevelopmental disorder in which the circumference of the head is more than two standard deviations smaller than the age- and gender-dependent norm." [HPO:curators] |
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| HP:0000256 | Macrocephaly | "The presence of an abnormally large `skull` (FMA:46565)." [HPO:probinson] |
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| HP:0000294 | Low frontal hairline | "A condition in which the scalp hair is present at lower than usual areas of the forehead." [HPO:curators] |
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| HP:0000316 | Hypertelorism | |
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| HP:0000347 | Mandibular hypoplasia | "Underdevelopment of the mandible." [HPO:curators] |
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| HP:0000369 | Low-set ears | "Low-set ears are defined to be set below an arbitrary line drawn between the lateral canthus of the eye and the occipital protruberance." [HPO:curators] |
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| HP:0000411 | Protruding ears | |
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| HP:0000414 | Bulbous nose | |
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| HP:0000486 | Strabismus | "Strabismus (also known as squint) is a condition in which the eyes are not properly aligned with each other." [HPO:curators] |
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| HP:0000518 | Cataract | "A cataract is an opacity or clouding that develops in the crystalline `lens` (FMA:58241) of the eye or in its `capsule` (FMA:58881)." [HPO:probinson] |
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| HP:0000519 | Congenital cataract | "A congenital `cataract` (HP:0000518)." [HPO:probinson] |
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| HP:0000568 | Microphthalmos | "A developmental anomaly characterized by abnormal smallness of one or both eyes." [HPO:curators] |
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| HP:0000648 | Optic atrophy | |
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| HP:0000954 | Transverse palmar creases | "The presence of a single palmar crease (instead of the two palmar creases that are typically present)." [HPO:curators] |
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| HP:0000965 | Cutis marmorata | |
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| HP:0001057 | Aplasia cutis congenita | "A developmental defect resulting in the congenital absence of skin in multiple or solitary non-inflammatory, well-demarcated, oval or circular ulcers with a diameter of about 1 to 2 cm. Aplasia cutis congenita most commonly occurs on the scalp, but may present in the face, trunk, or limbs." [HPO:curators] |
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| HP:0001156 | Brachydactyly | |
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| HP:0001163 | Abnormality of the metacarpal bones | |
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| HP:0001171 | Ectrodactyly (hands) | |
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| HP:0001249 | Mental retardation | |
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| HP:0001250 | Seizures | "Seizures are an intermittent `abnormality of the central nervous system` (FMA:HP:0002011) due to a sudden, excessive, disorderly discharge of cerebral neurons and characterized clinically by some combination of disturbance of sensation, loss of consciousness, impairment of psychic function, or convulsive movements." [HPO:probinson] |
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| HP:0001263 | Developmental retardation | "A delay in the achievement of motor or mental milestones manifested prior to age 18 and generally associated with lifelong mental and/or physical impairments." [HPO:curators] |
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| HP:0001269 | Hemiparesis | "Relatively mild weakness in the arm, leg, and in some cases the face on one side of the body." [HPO:curators] |
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| HP:0001276 | Hypertonia | |
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| HP:0001290 | Generalized hypotonia | "Generalized muscular hypotonia (abnormally low muscle tone)." [HPO:curators] |
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| HP:0001321 | Cerebellar hypoplasia | |
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| HP:0001362 | Skull defect | "A localized defect in the bone of the skull resulting from abnormal embryological development. The defect is covered by normal skin. In some cases, skull x-rays have shown underlying lytic bone lesions which have closed before the age of one year." [HPO:curators] |
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| HP:0001394 | Cirrhosis | |
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| HP:0001409 | Portal hypertension | |
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| HP:0001508 | Failure to thrive | |
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| HP:0001541 | Ascites | |
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| HP:0001562 | Oligohydramnios | |
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| HP:0001596 | Alopecia | "Loss of hair from the head or body." [HPO:curators] |
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| HP:0001622 | Premature birth | |
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| HP:0001636 | Tetralogy of Fallot | "A congenital cardiac malformation comprising pulmonary stenosis, overriding aorta, ventricular septum defect, and right ventricular hypertrophy. The diagnosis of TOF is made if at least three of the four above mentioned features are present." [HPO:curators] |
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| HP:0001641 | Abnormality of the pulmonary valve | "An abnormality of the `pulmonary valve` (FMA:7246)." [HPO:probinson] |
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| HP:0001792 | Nail hypoplasia | "Underdeveloped `fingernails` (FMA:54327) or `toenails` (FMA:54328)." [HPO:probinson] |
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| HP:0001804 | Hypoplastic fingernails | "Underdeveloped fingernails." [HPO:curators] |
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| HP:0001817 | Absent fingernails | |
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| HP:0001873 | Thrombocytopenia | |
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| HP:0001882 | Leukopenia | |
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| HP:0001883 | Talipes | |
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| HP:0002040 | Esophageal varices | |
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| HP:0002059 | Cerebral atrophy | |
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| HP:0002084 | Encephalocele | |
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| HP:0002092 | Pulmonary hypertension | |
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| HP:0002126 | Polymicrogyria | "A congenital abnormality of the cerebral hemisphere characterized by an excessive number of small gyri (convolutions) on the surface of the brain." [HPO:curators] |
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| HP:0002132 | Porencephaly | |
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| HP:0002239 | Gastrointestinal hemorrhage | |
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| HP:0002353 | EEG abnormalities | "Abnormality observed by electroencephalogram (EEG), which is used to record of the brain s spontaneous electrical activity from multiple electrodes placed on the scalp." [HPO:curators] |
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| HP:0002612 | Congenital hepatic fibrosis | |
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| HP:0004050 | Absent hands | |
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| HP:0004935 | Pulmonary artery atresia | |
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| HP:0005280 | Depressed nasal root and bridge | |
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| HP:0006101 | Finger syndactyly | "Webbing or fusion of the fingers, involving soft parts only or including bone structure. Bony fusions are revered to as "bony" Syndactyly if the fusion occurs in a radio-ulnar axis. Fusions of bones of the fingers in a proximo-distal axis are refered to as "Symphalangism"." [HPO:curators] |
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| HP:0006951 | Retrocerebellar cyst | |
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| HP:0006970 | Periventricular leukomalacia | |
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| HP:0008070 | Sparse hair | |
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| HP:0009882 | Hypoplasia of the distal phalanges of the hand | |
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| HP:0010624 | Aplastic/hypoplastic toenails | |
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| HP:0010760 | Aplasia of the toes | |
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| HP:0045025 | Small palpebral fissure | |
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| HP:0100026 | Arteriovenous malformations | |
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