| 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:0000104 | Renal agenesis | |
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| HP:0000175 | Cleft palate | "Cleft palate is a developmental defect of the `palate` (FMA:54549) resulting from a failure of fusion of the palatine processes." [HPO:curators] |
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| HP:0000180 | Lobulated tongue | |
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| HP:0000190 | Frenular abnormality | "An abnormality of the lingual frenulum, that is of the small fold of mucous membrane that attaches the tongue to the floor of the mouth." [HPO:probinson] |
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| HP:0000199 | Tongue nodules | |
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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:0000276 | Long face | |
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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:0000316 | Hypertelorism | |
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| HP:0000347 | Mandibular hypoplasia | "Underdevelopment of the mandible." [HPO:curators] |
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| HP:0000368 | Low-set, posteriorly rotated ears | |
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| HP:0000405 | Hearing loss, conductive | |
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| HP:0000426 | Prominent nasal bridge | |
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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:0000455 | Broad nasal tip | |
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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:0000565 | Esotropia | |
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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:0001156 | Brachydactyly | |
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| HP:0001159 | Syndactyly | "Webbing or fusion of the fingers or toes, 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 or toes in a proximo-distal axis are refered to as "Symphalangism"." [HPO:curators] |
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| HP:0001161 | Polydactyly (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: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: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:0001274 | Agenesis of corpus callosum | "Absence of the corpus callosum as a result of the failure of the corpus callosum to develop, which can be the result of a failure in any one of the multiple steps of callosal development including cellular proliferation and migration, axonal growth or glial patterning at the midline." [HPO:curators] |
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| HP:0001288 | Gait disturbance | "The term gait disturbance can refer to any disruption of the ability to walk. In general, this can refer to neurological diseases but also fractures or other sources of pain that is triggered upon walking. However, in the current context gait disturbance refers to difficulty walking on the basis of a neurological or muscular disease." [HPO:curators] |
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| HP:0001290 | Generalized hypotonia | "Generalized muscular hypotonia (abnormally low muscle tone)." [HPO:curators] |
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| HP:0001320 | Cerebellar vermis hypoplasia | |
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| HP:0001337 | Tremor | "An unintentional, oscillating to-and-fro muscle movement." [HPO:curators] |
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| HP:0001508 | Failure to thrive | |
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| HP:0001627 | Cardiac abnormality | "An abnormality of the `heart` (FMA:7088)." [HPO:probinson] |
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| HP:0001829 | Polydactyly (feet) | |
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| HP:0002007 | Frontal bossing | "The presence of an unusually prominent forehead." [HPO:curators] |
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| HP:0002104 | Apnea | "Lack of breathing with no movement of the respiratory muscles and no exchange of air in the lungs. This term refers to a disposition to have recurrent episodes of apnea rather than to a single event." [HPO:curators] |
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| HP:0002119 | Ventriculomegaly | |
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| HP:0002269 | Neuronal migration disorder | |
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| HP:0002419 | Molar tooth sign on MRI | |
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| HP:0002444 | Hypothalamic hamartoma | "Hypothalamic hamartoma is a malformation, not a tumor. Hypothalamic hamartomas grow at the rate of, or slower than, the surrounding brain tissue. A hamartoma of the hypothalamus appears as a non-enhancing mass in the floor of the third ventricle posterior to the optic chiasm that is isointense to grey matter on T1 and T2 pulse sequences of an MRI, but may have distinct intensity on FLAIR (neither cranial CT examination nor cranial ultrasound examination is adequate for diagnosis of hypothalamic hamartom). Individuals with hypothalamic hamartomas may have neurologic symptoms, although most are asymptomatic. Removal of the hypothalamic hamartoma is not indicated and often results in iatrogenic pituitary insufficiency." [HPO:curators] |
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| HP:0002553 | Arched eyebrows | |
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| HP:0002876 | Tachypnea, episodic | |
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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: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:0006145 | Central Y-shaped metacarpal | "A central Y-shaped metacarpal is the result of a partial fusion of two central metacarpals (i.e., metacarpals 2-4) of the hand, with the two arms of the Y pointing in the distal direction. Central Y-shaped metacarpals may be seen as a result of a central polydactyly with partial fusion of the duplicated metacarpal." [HPO:curators] |
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| HP:0007036 | Hypoplasia of olfactory tract | |
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| HP:0007370 | Aplasia/Hypoplasia of the corpus callosum | "Absence or underdevelopment of the corpus callosum." [HPO:curators] |
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| HP:0008689 | Bilateral cryptorchidism | |
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| HP:0008872 | Feeding problems in infancy | |
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| HP:0009084 | Midline notch of upper alveolar ridge | |
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| HP:0010055 | Broad hallux | |
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| HP:0011802 | Hamartoma of tongue | |
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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:0040019 | Finger clinodactyly | |
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| HP:0100258 | Preaxial polydactyly | "A form of polydactyly in which the extra digit or digits are localized on the side of the thumb or great toe." [HPO:probinson] |
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| HP:0100260 | Central polydactyly | |
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