| 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: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:0000151 | Absent uterus | |
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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:0000188 | Short upper lip | |
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| HP:0000204 | Cleft lip | "A gap in the `upper lip` (FMA:59817). This is a congenital defect resulting from nonfusion of tissues of the lip during embryonal development." [HPO:probinson] |
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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: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:0000322 | Short philtrum | |
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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:0000377 | Abnormal form of ears | "Abnormal form of the out part of the ear (also referred to as the auricle or pinna)." [HPO:curators] |
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| HP:0000384 | Preauricular skin tag | "A rudimentary tag of ear tissue often containing a core of cartilage and located just in front of the auricle (outer part of the ear)." [HPO:curators] |
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| HP:0000402 | Stenotic external auditory canal | "An abnormal narrowing of the external auditory canal." [HPO:curators] |
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| HP:0000405 | Hearing loss, conductive | |
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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:0000444 | Beaked nose | |
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| HP:0000465 | Webbed neck | |
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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:0000508 | Ptosis | "Drooping of the eyelid." [HPO:curators] |
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| HP:0000520 | Proptosis | |
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| HP:0000558 | Rieger anomaly | |
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| HP:0000612 | Iris coloboma | "A `coloboma` (HP:0000589) of the `iris` (FMA:58235)." [HPO:probinson] |
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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:0000668 | Hypodontia | "Hypodontia describes a situation when there are fewer than the normal number of teeth, whereby 6 teeth or fewer teeth are missing (oligodontia refers to the condition of missing more than 6 teeth and the congenital absence of all teeth is called anodontia)." [HPO:curators] |
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| HP:0000718 | Aggressive behavior | "Aggressive behavior can denote verbal aggression, physical aggression against objects, physical aggression against people, and may also include aggression towards oneself." [HPO:curators] |
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| HP:0000733 | Stereotyped, repetitive behaviour | |
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| HP:0000737 | Irritability | |
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| HP:0000826 | Precocious puberty | "The onset of secondary sexual characteristics before a normal age. Although it is difficult to define normal age ranges because of the marked variation with which puberty begins in normal children, precocious puberty can be defined as the onset of puberty before the age of 8 years in girls or 9 years in boys." [HPO:curators] |
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| HP:0000902 | Rib fusion | |
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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:0000960 | Sacral dimple | "A subtype of `skin dimples` (HP:0010781) presenting as an indentation in the skin of the intergluteal cleft ." [HPO:probinson] |
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| HP:0001028 | Hemangiomas | "The presence of multiple hemangiomas. A hemangioma is a benign tumor characterized by blood-filled spaces lined by benign endothelial cells. A hemangioma characterized by large endothelial spaces (caverns) is called a cavernous hemangioma (in contrast to a hemangioma with small endothelial spaces, which is called capillary hemangioma)." [HPO:curators] |
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| HP:0001080 | Biliary tract abnormality | |
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| HP:0001112 | Leber optic atrophy | |
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| HP:0001171 | Ectrodactyly (hands) | |
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| HP:0001177 | Preaxial polydactyly (hands) | "Supernumerary digits located at the radial side of the hand. Polydactyly (supernumerary digits) involving the thumb occurs in many distinct forms of high variability and severity. Ranging from fleshy nubbins over varying degrees of partial duplication/splitting to completely duplicated or even triplicated thumbs or preaxial (on the radial side of the hand) supernumerary digits." [HPO:curators] |
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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: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: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:0001268 | Mental deterioration | |
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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:0001290 | Generalized hypotonia | "Generalized muscular hypotonia (abnormally low muscle tone)." [HPO:curators] |
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| HP:0001326 | EEG shows generalized and focal spike and wave complexes | |
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| HP:0001331 | Absent septum pellucidum | "Absence of the septum pellucidum." [HPO:curators] |
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| HP:0001336 | Myoclonus | "Very brief, involuntary random muscular contractions occurring at rest, in response to sensory stimuli, or accompanying voluntary movements." [HPO:curators] |
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| HP:0001385 | Hip dysplasia | |
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| HP:0001508 | Failure to thrive | |
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| HP:0001511 | Intrauterine growth retardation | |
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| HP:0001518 | Low birth weight | |
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| HP:0001558 | Decreased fetal movement | "An abnormal reduction in quantity or strength of fetal movements." [HPO:curators] |
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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:0001631 | Atrial septal defect | "Atrial septal defect (ASD) is a congenital heart defect that enables blood flow between the left and right atria via the interatrial septum. The three common types of ASD are sinus venosus defects, ostium secundum defects, and ostium primum defects." [HPO:curators] |
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| HP:0001747 | Accessory spleen | "An accessory spleen is a round, iso-echogenic, homogenic and smooth structure and is seen as a normal varient mostly on the medial contour of the spleen, near the hilus or around the lower pole. This has no pathogenic relevance." [HPO:curators] |
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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:0001812 | Hyperconvex fingernails | |
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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:0001841 | Preaxial polydactyly (feet) | "This term applies for a wide variety of partial and/or complete duplications of the phalanges of the big toe (sometimes including the 1st metatarsal). A partial duplication can present itself on x-rays as a notched phalanx, bifid phalanx or a broadened phalanx. Polydactyly affecting the big toe is called preaxial or hallucal polydactyly of the feet." [HPO:curators] |
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| HP:0002020 | Gastroesophageal reflux | |
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| HP:0002057 | Prominent glabella | |
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| HP:0002119 | Ventriculomegaly | |
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| HP:0002121 | Absence seizures | "Recurrent absence seizures are `generalized seizures` (HP:0002197) that are characterized by a sudden cessation of motor activity and by a blank facial expression with flickering of the eyelids. There is no convulsive muscular activity or loss of postural control." [HPO:probinson] |
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| HP:0002123 | Myoclonic seizures | "Myoclonic seizures are sudden, brief losses of consciousness and postural tone not associated with tonic muscular contractions. Myoclonic seizures may involve one body part or the entire body. In the latter case, the myoclonic seizure is accompanied by a violent fall but not by loss of consciousness." [HPO:curators] |
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| HP:0002144 | Tethered cord | "During normal embryological development, the spinal cord first occupies the entire length of the vertebral column but goes on to assume a position at the level of L1 due to differential growth of the conus medullaris and the vertebral column. The filum terminale is a slender, threadlike structure that remains after the normal regression of the distal embryonic spinal cord and attaches the spinal cord to the coccyx. A tethered cord results if there is a thickened rope-like filum terminale which anchors the cord at the level of L2 or below, potentially causing neurologic signs owing to abnormal tension on the spinal cord." [HPO:curators] |
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| HP:0002162 | Low posterior hairline | |
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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:0002373 | Febrile seizures | "Febrile seizures are convulsions induced by a fever in infants or small children and are generally characterized by loss of consciousness and tonic-clonic movements. Most febrile seizures last a minute or two." [HPO:curators] |
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| HP:0002376 | Developmental regression | |
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| HP:0002389 | Cavum septum pellucidum | "If the two laminae of the septum pellucidum are not fused then a fluid-filled space or cavum is present. The cavum septum pellucidum is present at birth but usually obliterates by the age of 3 to 6 months. It is up to 1cm in width and the walls are parallel. It is an enclosed space and is not part of the ventricular system or connected with the subarachnoid space." [HPO:curators] |
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| HP:0002463 | Language impairment | |
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| HP:0002553 | Arched eyebrows | |
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| HP:0002650 | Scoliosis | "The presence of an abnormal lateral curvature of the spine." [HPO:curators] |
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| HP:0002714 | Downturned corners of mouth | "A morphological `abnormality of the mouth` (HP:0000153) in which the `angle of the mouth` (FMA:77269) is downturned." [HPO:probinson] |
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| HP:0002721 | Immunodeficiency | |
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| HP:0002750 | Delayed skeletal maturation | "A decreased rate of skeletal maturation. Delayed skeletal maturation can be diagnosed on the basis of an estimation of the bone age from radiographs of specific bones in the human body." [HPO:curators] |
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| HP:0002808 | Kyphosis | |
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| HP:0002827 | Dislocated hips | |
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| HP:0002948 | Vertebral fusion | "A developmental defect leading to the union of two adjacent vertebrae." [HPO:curators] |
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| HP:0002974 | Radioulnar synostosis | "An abnormal osseous union (fusion) between the radius and the ulna." [HPO:curators] |
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| HP:0003199 | Decreased muscle mass | |
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| HP:0003312 | Abnormal form of the vertebral bodies | |
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| HP:0003745 | Sporadic | |
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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:0004467 | Preauricular sinus | "The preauricular sinus is a benign congenital lesion of the preauricular soft tissue consisting of a blind-ending narrow tube or pit. It is also known as preauricular pit, preauricular fistula, preauricular tract and preauricular cyst. It can be asymptomatic or present as an infected and discharging sinus. It presents as a small pit adjacent to the external ear usually located at the anterior margin of the ascending limb of the helix." [HPO:curators] |
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| HP:0004484 | Craniofacial asymmetry | "Asymmetry of the bones of the skull and the face." [HPO:curators] |
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| HP:0004794 | Malrotation of small bowel | |
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| HP:0006655 | Rib segmentation abnormalities | |
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| HP:0007018 | Attention deficit hyperactivity disorder | "Attention deficit hyperactivity disorder (ADHD) manifests at age 2-3 years or by first grade at the latest. The main symptoms are distractibility, impulsivity, hyperactivity, and often trouble organizing tasks and projects, difficulty going to sleep, and social problems from being aggressive, loud, or impatient." [HPO:curators] |
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| HP:0007109 | Periventricular cysts | |
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| HP:0007207 | Seizures, tonic-clonic, photosensitive | |
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| HP:0007385 | Aplasia cutis congenita of scalp | "A developmental defect resulting in the congenital absence of skin on the scalp." [HPO:curators] |
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| HP:0008850 | Postnatal growth retardation, severe | |
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| HP:0009193 | Pseudoepiphyses of the metacarpals | "A pseudoepiphysis is a secondary ossification center distinct from the normal epiphysis. The normal metacarpal epiphyses are located at the distal ends of the metacarpal bones. Accessory epiphyses (which are also known as pseudoepiphyses) can also occasionally be observed at the proximal ends of the metacarpals, usually involving the 2nd metacarpal bone." [HPO:doelkens] |
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| HP:0009778 | Hypoplastic/small thumb | |
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| HP:0009918 | Ectopia pupillae | "A malposition of the pupil." [HPO:curators] |
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| HP:0010109 | Hypoplastic/small hallux | |
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| HP:0010862 | Delayed fine motor development | "A type of `motor retardation` characterized by an delay in acquiring the ability to control the fingers and hands." [HPO:probinson] |
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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:0011863 | Abnormal sternal ossification | "Any anomaly in the formation of the bony substance of the `sternum` (FMA:7485)." [HPO:probinson] |
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