| HP:0000003 | Multicystic kidney | "Multicystic dysplasia of the kidney is characterized by multiple cysts of varying size in the kidney and the absence of a normal pelvocaliceal system. The condition is associated with ureteral or ureteropelvic atresia, and the affected kidney is nonfunctional." [HPO:curators] |
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| 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:0000028 | Cryptorchidism | "Absence of one or both testes from the scrotum owing to failure of the testis or testes to descend through the inguinal canal to the testis." [HPO:curators] |
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| HP:0000047 | Hypospadias | "Displacement of the urethral opening on the ventral (inferior) surface of the penis." [HPO:curators] |
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| HP:0000126 | Hydronephrosis | |
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| HP:0000157 | Abnormality of the tongue | "Any abnormality of the tongue." [HPO:curators] |
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| HP:0000174 | Abnormality of palate | "Any abnormality of the `palate` (FMA:54549), i.e., of roof of the mouth)." [HPO:probinson] |
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| HP:0000218 | High palate | "Height of the palate more than 2 SD above the mean (objective) or palatal height at the level of the first permanent molar more than twice the height of the teeth (subjective)." [pmid:19125428] |
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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:0000260 | Wide anterior fontanel | "Enlargement of the anterior fontanelle with respect to age-dependent norms." [HPO:curators] |
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| HP:0000268 | Dolichocephaly | |
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| HP:0000286 | Epicanthus | "An epicanthal fold is a semilunar fold of skin that extends from the upper eyelid across the medial canthal area to the lower eyelid." [HPO:curators] |
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| HP:0000347 | Mandibular hypoplasia | "Underdevelopment of the mandible." [HPO:curators] |
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| HP:0000348 | High forehead | "An abnormally increased height of the forehead." [HPO:curators] |
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| HP:0000368 | Low-set, posteriorly rotated ears | |
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| HP:0000407 | Hearing loss, sensorineural | "Hearing loss caused by damage or dysfunction of the auditory nerve (cranial nerve VIII)." [HPO:curators] |
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| HP:0000431 | Broad nasal bridge | "Increased horizontal dimension of the upper, bony part of the nose." [HPO:curators] |
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| HP:0000463 | Nares, anteverted | "Anteriorly-facing nostrils viewed with the head in the Frankfurt horizontal and the eyes of the observer level with the eyes of the subject." [pmid:19152422] |
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| HP:0000474 | Excess nuchal skin | |
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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:0000501 | Glaucoma | "Glaucoma refers loss of retinal ganglion cells in a characteristic pattern of optic neuropathy usually associated with increased intraocular pressure." [HPO:curators] |
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| HP:0000505 | Impaired vision | |
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| HP:0000508 | Ptosis | "Drooping of the eyelid." [HPO:curators] |
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| HP:0000510 | Retinitis pigmentosa | "Hereditary degeneration and atrophy of the retina." [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:0000532 | Chorioretinal abnormality | |
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| HP:0000556 | Retinal dystrophy | |
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| HP:0000582 | Upslanting palpebral fissures | |
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| HP:0000627 | Posterior embryotoxon | |
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| HP:0000639 | Nystagmus | "Rhythmic, involuntary oscillations of one or both eyes related to abnormality in fixation, conjugate gaze, or vestibular mechanisms." [HPO:curators] |
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| HP:0000641 | Dysmetric saccades | |
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| HP:0000648 | Optic atrophy | |
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| HP:0000662 | Night blindness | |
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| HP:0000708 | Behavioural/Psychiatric Abnormality | |
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| HP:0000952 | Jaundice | "Yellow pigmentation of the skin or sclera due to bilirubin, which in turn is the result of increased bilirubin concentration in the bloodstream." [HPO:curators] |
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| HP:0001088 | Brushfield spots | |
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| HP:0001133 | Constricted visual fields | |
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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:0001251 | Ataxia | "Ataxia is a nonspecific neurological sign and symptom consisting of gross lack of coordination of muscle movements. Ataxia is caused by dysfunction of one or more parts of the nervous system including the cerebellum, the sensory nervous system, the vestibular system, or the cerebral cortex." [HPO:curators] |
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| HP:0001252 | Muscular hypotonia | "Muscular hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle), often involving reduced muscle strength. Hypotonia is characterized by a diminished resistance to passive stretching." [HPO:curators] |
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| HP:0001256 | Mental retardation, mild | "Mild mental retardation is defined as an intelligence quotient (IQ) in the range of 50-69." [HPO:curators] |
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| HP:0001257 | Spasticity | "A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes." [HPO:curators] |
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| HP:0001260 | Dysarthria | "Dysarthric speech is a general description referring to a neurological speech disorder characterized by poor articulation. Depending on the involved neurological structures, dysarthria may be further classified as spastic, flaccid, ataxic, hyperkinetic and hypokinetic, or mixed." [HPO:curators] |
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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:0001265 | Hyporeflexia | |
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| HP:0001272 | Cerebellar atrophy | |
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| HP:0001290 | Generalized hypotonia | "Generalized muscular hypotonia (abnormally low muscle tone)." [HPO:curators] |
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| HP:0001302 | Pachygyria | "A congenital abnormality of the cerebral hemisphere chacterized by unusually thick gyrations (convolutions) of the cerebral cortex." [HPO:curators] |
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| HP:0001315 | Reduced reflexes | |
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| HP:0001319 | Neonatal hypotonia | "Muscular hypotonia (abnormally low muscle tone) manifesting in the neonatal period." [HPO:curators] |
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| HP:0001347 | Hyperreflexia | "The presence of overactive or overresponsive reflexes." [HPO:curators] |
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| HP:0001392 | Abnormality of the liver | |
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| HP:0001399 | Hepatic failure | |
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| HP:0001410 | Decreased liver function | |
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| HP:0001508 | Failure to thrive | |
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| HP:0001522 | Death in infancy | |
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| HP:0001622 | Premature birth | |
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| HP:0001629 | Ventricular septal defect | "A hole between the two bottom chambers (ventricles) of the heart. The defect is centered around the most superior aspect of the ventricular septum." [HPO:curators] |
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| HP:0001638 | Cardiomyopathy | |
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| HP:0001761 | Pes cavus | |
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| HP:0001928 | Abnormality of coagulation | |
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| HP:0001939 | Metabolism abnormality | |
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| HP:0002021 | Pyloric stenosis | |
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| HP:0002024 | Malabsorption | |
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| HP:0002070 | Limb ataxia | |
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| HP:0002073 | Progressive cerebellar ataxia | |
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| HP:0002078 | Truncal ataxia | |
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| HP:0002080 | Intention tremor | "An oscillatory cerebellar ataxia that tends to be absent when the limbs are inactive and during the first part of voluntary movement but worsening as the movement continues and greater precision is required (e.g., in touching a target such as the patient s nose or a physician s finger)." [HPO:curators] |
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| HP:0002093 | Respiratory insufficiency | |
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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:0002240 | Hepatomegaly | "An abnormal enlargment of the liver." [HPO:curators] |
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| HP:0002269 | Neuronal migration disorder | |
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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:0002376 | Developmental regression | |
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| HP:0002457 | Abnormal head movements | |
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| HP:0002500 | Abnormality of the cerebral white matter | |
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| HP:0002652 | Skeletal dysplasia | |
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| HP:0002936 | Distal sensory impairment | |
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| HP:0003323 | Muscle weakness, progressive | |
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| HP:0003677 | Slow progression | |
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| HP:0003693 | Distal amyotrophy | "Muscular atrophy affecting muscles in the distal portions of the extremities." [HPO:curators] |
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| HP:0003828 | Variable expressivity | |
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| HP:0004322 | Decreased body height | "A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to "short stature" as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms)." [HPO:curators] |
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| HP:0005280 | Depressed nasal root and bridge | |
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| HP:0005469 | Occipital plagiocephaly | "Occipital plagiocephaly can result from fusion or sclerosis of the lambdoid suture. If unilateral, this is accompanied by unilateral occipital flattening and bulging of the ispilateral frontal bone." [HPO:curators] |
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| HP:0005930 | Abnormality of the epiphyses | |
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| HP:0005978 | Noninsulin-dependent diabetes mellitus | |
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| HP:0006829 | Severe muscular hypotonia | "A severe degree of muscular hypotonia characterized by markedly reduced muscle tone." [HPO:curators] |
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| HP:0007002 | Sensory and motor axonal neuropathy | |
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| HP:0007240 | Progressive gait ataxia | |
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| HP:0007256 | Mild pyramidal signs | |
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| HP:0007598 | Bilateral single palmar creases | |
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| HP:0007703 | Abnormal retinal pigmentation | |
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| HP:0007772 | Impaired smooth pursuit in adult patients | |
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| HP:0007957 | Variable degree of corneal opacities | |
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| HP:0008064 | Ichthyosiform abnormality of the skin | |
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| HP:0008167 | Very long chain fatty acid accumulation | |
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| HP:0008207 | Primary adrenal insufficiency | |
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| HP:0008572 | External ear malformation | |
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| HP:0008665 | Hypertrophic clitoris | |
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| HP:0008872 | Feeding problems in infancy | |
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| HP:0008935 | Hypotonia, neonatal, generalized | |
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| HP:0009891 | Hypoplasia of the supraorbital ridges | "Underdevelopment of the supraorbital ridges." [HPO:curators] |
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| HP:0010571 | Elevated levels of phytanic acid | "An abnormal elevation of phytanic acid (3,7,11,15-tetramethyl hexadecanoic acid), which is a fatty acid that is derived from chlorophyll and present in the diet. The metabolism of phytanic acid involves alpha-oxidation in the peroxisome, which converts phytanic acid to pristanic acid." [HPO:curators] |
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| HP:0010628 | Facial muscle weakness | "A weakness of any or all of the muscles of the face of any etiology." [HPO:curators] |
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| HP:0010655 | Stippling of the epiphyses | "The presence of abnormal punctate (speckled, dot-like) calcifications in the epiphyses (FMA:24012)." [HPO:curators] |
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| HP:0010965 | Abnormality of phytanic acid metabolism | "An abnormality of `phytanic acid` (CHEBI:16285) metabolism." [HPO:probinson] |
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| HP:0011344 | Severe global developmental delay | "A severe delay in the achievement of motor or mental milestones in the domains of development of a child." [DDD:hvfirth] |
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| HP:0011499 | Mydriasis | "Abnormal dilatation of the iris." [DDD:ncarter] |
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| HP:0011675 | Arrhythmia | "Any cardiac rhythm other than the normal sinus rhythm. Such a rhythm may be either of sinus or ectopic origin and either regular or irregular. An arrhythmia may be due to a disturbance in impulse formation or conduction or both." [DDD:dbrown, pmid:19063792] |
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| HP:0012368 | Flat face | "Absence of concavity or convexity of the face when viewed in profile." [pmid:19125436] |
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| HP:0012736 | Profound global developmental delay | "A profound delay in the achievement of motor or mental milestones in the domains of development of a child." [DDD:hvfirth] |
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| HP:0100275 | Diffuse cerebellar atrophy | "Diffuse unlocalised atrophy affecting the cerebellum." [HPO:sdoelken] |
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| HP:0100543 | Cognitive impairment | "Abnormality in the process of thought including the ability to process information." [HPO:sdoelken] |
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