| HP:0000006 | Autosomal dominant 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 heterozygotes. In the context of medical genetics, an autosomal dominant disorder is caused when a single copy of the mutant allele is present. Males and females are affected equally, and can both transmit the disorder with a risk of 50% for each child of inheriting the mutant allele." [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: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:0000177 | Abnormality of upper lip | "An abnormality of the `upper lip` (FMA:59817)." [HPO:probinson] |
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| HP:0000194 | Open mouth | |
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| HP:0000212 | Gingival hyperplasia | |
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| HP:0000224 | Decreased taste sensation | |
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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:0000272 | Malar hypoplasia | "Underdeveloped midface region." [HPO:curators] |
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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:0000293 | Full cheeks | |
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| HP:0000400 | Large ears | |
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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:0000478 | Abnormality of the eyes | "Any abnormality of the `eyes` (FMA:54448), including location, spacing, and intraocular abnormalities." [HPO:curators] |
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| HP:0000496 | Abnormality of eye movement | "An abnormality in voluntary or involuntary eye movements or their control." [HPO:probinson] |
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| HP:0000570 | Abnormality of saccadic eye movements | "An `abnormality of eye movement` (HP:0000496) characterized by impairment of fast (saccadic) eye movements." [HPO:probinson] |
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| HP:0000572 | Visual loss | |
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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:0000648 | Optic atrophy | |
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| HP:0000762 | Decreased nerve conduction velocities | |
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| HP:0000970 | Anhidrosis | "Inability to sweat." [HPO:curators] |
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| HP:0000975 | Hyperhidrosis | "An abnormally increased perspiration." [HPO:probinson] |
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| HP:0001069 | Hyperhidrosis, episodic | |
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| HP:0001182 | Tapered fingers | |
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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: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: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:0001258 | Spastic paraplegia | |
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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:0001284 | Areflexia | |
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| HP:0001290 | Generalized hypotonia | "Generalized muscular hypotonia (abnormally low muscle tone)." [HPO:curators] |
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| HP:0001310 | Dysmetria | |
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| HP:0001347 | Hyperreflexia | "The presence of overactive or overresponsive reflexes." [HPO:curators] |
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| HP:0001371 | Contractures | |
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| HP:0001376 | Decreased mobility of joints | |
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| HP:0001762 | Talipes equinovarus | "Also called clubfoot typically has 4 main components: inversion and adduction of the forefoot; inversion of the heel and hindfoot; equinus (limitation of extension) of the ankle and subtalar joint; and internal rotation of the leg. Clubfoot is a complex, multifactorial deformity with genetic and intrauterine factors. One popular theory postulates that a clubfoot is a result of intrauterine maldevelopment of the talus that leads to adduction and plantarflexion of the foot. On radiographic projection a clubfoot can be noted as parallel axes of talus and calcaneus." [HPO:curators] |
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| HP:0001810 | Dystrophic toenails | |
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| HP:0001818 | Paronychia | "The nail disease paronychia is an often-tender bacterial or fungal hand infection or foot infection where the nail and skin meet at the side or the base of a finger or toenail. The infection can start suddenly (acute paronychia) or gradually (chronic paronychia)." [HPO:curators] |
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| HP:0001842 | Acroosteolysis (feet) | |
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| HP:0001939 | Metabolism abnormality | |
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| HP:0002020 | Gastroesophageal reflux | |
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| HP:0002059 | Cerebral atrophy | |
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| HP:0002061 | Lower limb spasticity | |
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| HP:0002064 | Spastic gait | |
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| HP:0002119 | Ventriculomegaly | |
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| HP:0002120 | Cerebral cortical atrophy | |
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| HP:0002132 | Porencephaly | |
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| HP:0002205 | Recurrent respiratory infections | |
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| HP:0002317 | Unsteady gait | |
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| HP:0002329 | Drowsiness | |
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| HP:0002395 | Lower limb hyperreflexia | |
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| HP:0002521 | Hypsarrhythmia | "Hypsarrhythmia is abnormal interictal high amplitude waves and a background of irregular spikes demonstrated by electroencephalography (EEG)." [HPO:curators] |
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| HP:0002540 | Inability to walk | |
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| HP:0002645 | Wormian bones | |
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| HP:0002661 | Painless fractures due to injury | "An increased tendency to fractures following trauma, with fractures occurring without pain." [HPO:curators] |
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| HP:0002804 | Arthrogryposis multiplex congenita | |
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| HP:0002815 | Abnormality of the knees | "An abnormality of the knee joint or surrounding structures." [HPO:curators] |
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| HP:0002839 | Sphincter disturbances (bladder) | |
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| HP:0002936 | Distal sensory impairment | |
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| HP:0003028 | Abnormality of the ankles | |
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| HP:0003103 | Abnormality of cortical bone | "An abnormality of cortical bone (also known as compact bone), which forms the dense surface of bones." [HPO:curators] |
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| HP:0003196 | Nasal hypoplasia | "Underdevelopment of the `nose` (FMA:46472)." [HPO:probinson] |
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| HP:0003202 | Amyotrophy | "The presence of muscular atrophy (which is also known as amyotrophy)." [HPO:curators] |
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| HP:0003272 | Abnormality of the hip | "An abnormality of the hip joint or the surrounding anatomic region." [HPO:curators] |
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| HP:0003307 | Hyperlordosis | |
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| HP:0003380 | Decreased number of myelinated fibers | "A loss of myelinated nerve fibers (in general, this finding can be observed on nerve biopsy)." [HPO:curators] |
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| HP:0003448 | Decreased sensory nerve conduction velocities (NCV) | |
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| HP:0003477 | Axonal neuropathy | |
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| HP:0003487 | Babinski sign | "Upturning of the big toe (and sometimes fanning of the other toes) in response to stimulation of the sole of the foot. If the Babinski sign is present it can indicate damage to the corticospinal tract." [HPO:curators] |
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| HP:0003593 | Early onset | |
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| HP:0003676 | Progressive disorder | |
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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:0004349 | Reduced bone mineral density | "A reduction of bone mineral density, that is, of the amount of matter per cubic centimeter of bones." [HPO:curators] |
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| HP:0004422 | Biparietal narrowing | "A narrowing of the biparietal diameter (i.e., of the transverse distance between the protuberances of the two parietal bones of the skull)." [HPO:curators] |
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| HP:0005930 | Abnormality of the epiphyses | |
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| HP:0006121 | Acral ulceration leading to autoamputation of digits | |
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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:0006855 | Cerebellar vermis atrophy | |
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| HP:0007020 | Progressive spastic paraplegia | |
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| HP:0007141 | Sensorimotor neuropathy | |
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| HP:0007210 | Lower limb hypotrophy | |
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| HP:0007340 | Lower limb muscle weakness | "Weakness of the muscles of the legs." [HPO:curators] |
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| HP:0007366 | Atrophy/Degeneration affecting the brainstem | |
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| HP:0008391 | Mildly dystrophic fingernails | |
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| HP:0008572 | External ear malformation | |
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| HP:0008872 | Feeding problems in infancy | |
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| HP:0008936 | Muscular hypotonia of the trunk | "Muscular hypotonia (abnormally low muscle tone) affecting the musculature of the trunk." [HPO:curators] |
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| HP:0008969 | Leg muscle stiffness | |
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| HP:0009771 | Osteolytic defects of the phalanges of the hand | "Dissolution or degeneration of bone tissue of the phalanges of the hand." [HPO:curators] |
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| HP:0009830 | Peripheral neuropathy | "Peripheral neuropathy is a general term for any disorder of the peripheral nervous system. The main clinical features used to classify peripheral neuropathy are distribution, type (mainly demyelinating versus mainly axonal), duration, and course." [HPO:curators] |
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| HP:0010741 | Edema of the lower limbs | |
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| HP:0010864 | Mental retardation, severe | "Moderate mental retardation is defined as an intelligence quotient (IQ) in the range of 20-34." [HPO:probinson] |
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| HP:0011448 | Ankle clonus | "Clonus is an involuntary tendon reflex that causes repeated flexion and extension of the foot. Ankle clonus is tested by rapidly flexing the foot upward." [HPO:probinson] |
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| HP:0011800 | Midface retrusion | "Posterior positions and/or vertical shortening of the infraorbital and perialar regions, or increased concavity of the face and/or reduced nasolabial angle." [DDD:jclayton-smith] |
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| HP:0011968 | Feeding difficulties | "Impaired ability to eat related to problems gathering food and getting ready to suck, chew, or swallow it." [ISCA:eriggs] |
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| HP:0012398 | Peripheral edema | "An abnormal accumulation of the accumulation of interstitial fluid in the soft tissues of the limbs." [HPO:probinson] |
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| HP:0012407 | Scissor gait | "A form of gait abnormality characterized by hypertonia and flexion in the legs, hips and pelvis accompanied by extreme adduction leading to the knees and thighs hitting, or sometimes even crossing, in a scissors-like movement. The opposing muscles (abductors) become comparatively weak from lack of use." [HPO:probinson] |
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| HP:0012469 | Infantile spasms | "Infantile spasms represent a subset of "epileptic spasms". Infantile Spasms are epileptic spasms starting in the first year of life (infancy)." [HPO:ihelbig] |
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| HP:0100275 | Diffuse cerebellar atrophy | "Diffuse unlocalised atrophy affecting the cerebellum." [HPO:sdoelken] |
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| HP:0100540 | Palpebral edema | |
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| HP:0100704 | Cortical visual impairment | "A form of loss of vision caused by damage to the visual cortex rather than a defect in the eye." [HPO:probinson] |
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