| 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:0000033 | Ambiguous genitalia, male | |
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| HP:0000061 | Ambiguous genitalia, female | |
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| HP:0000062 | Ambiguous genitalia | |
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| HP:0000104 | Renal agenesis | |
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| HP:0000160 | Microstomia | "The presence of an abnormally small `mouth` (FMA:49184)." [HPO:curators] |
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| HP:0000169 | Gingival fibromatosis | "Gingival fibromatosis is characterized by a slowly progressive benign enlargement of the oral gingival tissues. The condition results in the teeth being partially or totally engulfed by keratinized gingiva, causing aesthetic and functional problems. Both genetic and pharmacologically induced forms of gingival fibromatosis are known. The most common genetic form, hereditary gingival fibromatosis (HGF), is usually transmitted as an autosomal dominant trait, although sporadic cases are common and autosomal recessive inheritance has been reported." [HPO:curators] |
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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:0000176 | Submucous cleft palate | "A cleft palate that is covered by the mucous membrane of the roof of the mouth, which can make the cleft more difficult to observe upon physical examination. Soft-palate submucous clefts are characterized by a midline deficiency or lack of muscle tissue. Hard-palate submucous clefts are characterized by bony defects in the midline of the bony palate. It may be possible to detect a submucous cleft palate upon palpation as a notch in the bony palate." [HPO:curators, pmid:19779505] |
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| HP:0000193 | Bifid uvula | "A split or cleft uvula." [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:0000278 | Retrognathia | |
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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:0000358 | Posteriorly rotated ears | "A type of `abnormal location of the ears` (HP:0000357) in which the position of the ears is characterized by posterior rotation (the superior part of the ears is rotated towards the back of the head, and the inferior part of the ears towards the front)." [HPO:probinson] |
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| HP:0000368 | Low-set, posteriorly rotated ears | |
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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:0000378 | Cup-shaped ears | "Small auricles that grow forward over the meatus (ear canal)." [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: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:0000494 | Downward slanting palpebral fissures | |
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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: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: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: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: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:0001331 | Absent septum pellucidum | "Absence of the septum pellucidum." [HPO:curators] |
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| HP:0001338 | Partial agenesis of the corpus callosum | "A partial failure of the development of the corpus callosum." [HPO:curators] |
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| HP:0001508 | Failure to thrive | |
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| HP:0001511 | Intrauterine growth retardation | |
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| HP:0001643 | Patent ductus arteriosus | |
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| HP:0001744 | Splenomegaly | "An abnormal enlargement of the spleen." [HPO:curators] |
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| HP:0001776 | Bilateral club feet | |
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| HP:0001840 | Metatarsus varus | "Metatarsus varus (adductus) is one of the most common foot deformities, that is defined as a transverse plane deformity in Lisfranc s (tarsometatarsal) joints in which the metatarsals are deviated medially. The relationship between talus and calcaneus is normal. On inspection the toes angle abruptly towards the midline, creating a C-shaped lateral foot border with a prominent styloid process of the 5th metatarsal. The result is that the forefoot is twisted inwards relative to the heel, so that the sole faces the midline." [HPO:curators] |
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| HP:0001883 | Talipes | |
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| HP:0002007 | Frontal bossing | "The presence of an unusually prominent forehead." [HPO:curators] |
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| HP:0002063 | Rigidity | |
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| HP:0002119 | Ventriculomegaly | |
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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:0002133 | Status epilepticus | |
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| HP:0002566 | Intestinal malrotation | "An abnormality of the intestinal rotation and fixation that normally occurs during the development of the gut. This can lead to volvulus, or twisting of the intestine that causes obstruction and necrosis." [HPO:curators] |
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| HP:0002804 | Arthrogryposis multiplex congenita | |
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| HP:0002983 | Micromelia | |
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| HP:0003107 | Abnormality of cholesterol metabolism | |
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| HP:0003196 | Nasal hypoplasia | "Underdevelopment of the `nose` (FMA:46472)." [HPO:probinson] |
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| HP:0003510 | Short stature, severe | "A severe degree of short stature." [HPO:curators] |
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| HP:0003552 | Muscle stiffness | |
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| HP:0003812 | Phenotypic variability | |
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| HP:0004334 | Dermal atrophy | "Partial or complete wasting (atrophy) of the skin." [HPO:curators] |
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| HP:0004482 | Relative macrocephaly | "A relatively mild degree of macrocephaly in which the head circumference is not above two standard deviations from the mean, but appears dysproportionately large when other factors such as body stature are taken into account." [HPO:curators] |
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| HP:0005160 | Total anomalous pulmonary venous return | "Total anomalous pulmonary venous return refers to a congenital malformation in which all four pulmonary veins do not connect normally to the left atrium, but instead drain abnormally to the right atrium." [HPO:curators] |
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| HP:0005280 | Depressed nasal root and bridge | |
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| HP:0005281 | Hypoplastic nasal bridge | |
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| HP:0005789 | Osteosclerosis, diffuse symmetrical | |
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| HP:0007227 | Brain macrogyria and polymicrogyria | |
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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:0008905 | Rhizomelic short stature | |
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| HP:0009085 | Alveolar ridge overgrowth | "Increased width of the alveolar ridges ." [pmid:19125428] |
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| HP:0009473 | Joint contractures involving the joints of the hand | |
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| HP:0009748 | Fleshy earlobes | "Abnormally thickened or fleshy earlobes." [HPO:curators] |
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| HP:0010772 | Anomalous pulmonary venous return | "A developmental defect characterized by abnormal connection of or more pulmonary veins to the superior or inferior vena cava, the right atrium, or the coronary sinus, resulting in a left-to-right shunt of oxygenated blood." [HPO:probinson] |
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| HP:0011002 | Osteopetrosis | |
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| HP:0011220 | Prominent forehead | "Forward prominence of the entire forehead, due to protrusion of the frontal bone." [pmid:19125436] |
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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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