| 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:0000158 | Macroglossia | "Increased length and width of the tongue." [pmid:19125428] |
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| HP:0000239 | Large fontanelles | "In newborns, the two frontal bones, two parietal bones, and one occipital bone are joined by fibrous sutures, which form a small posterior fontanelle, and a larger, diamond-shaped anterior fontanelle. These regions allow for the skull to pass the birth canal and for later growth. The fontanelles gradually ossify, whereby the posterior fontanelle usually closes by eight weeks and the anterior fontanelle by the 9th to 16th month of age. Large fontanelles are diagnosed if the fontanelles are larger than age-dependent norms." [HPO:curators] |
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| HP:0000280 | Coarse facial features | |
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| HP:0000821 | Hypothyroidism | |
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| HP:0000851 | Congenital hypothyroidism | |
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| HP:0000853 | Goiter | "An enlargement of the thyroid gland." [HPO:curators] |
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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:0001249 | Mental retardation | |
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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: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:0001537 | Umbilical hernia | "Protrusion of abdominal contents through a defect in the abdominal wall musculature around the umbilicus. Skin and subcutaneous tissue overlie the defect." [HPO:curators] |
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| HP:0002019 | Constipation | |
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| HP:0002925 | Increased serum thyroid-stimulating hormone (TSH) | |
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| HP:0003270 | Abdominal distention | "Enlargement or distention of the abdomen, which can be a secondary feature associated with a number of conditions such as bowel obstruction." [HPO:curators] |
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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:0012378 | Fatigue | "A subjective feeling of tiredness characterized by a lack of energy and motivation." [HPO:probinson] |
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| HP:0012560 | Decreased T3/T4 ratio | "A ratio of serum triiodothyronine (T3) to thyroxine (T4) in the blood that is lower than normal." [HPO:probinson] |
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| HP:0100786 | Hypersomnia | |
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