{"Name":"Lethal polymalformative syndrome, Boissel type","DiseaseID__c":"GARD:0017110","id":17110,"encodedName":"lethal-polymalformative-syndrome-boissel-type","IsDeleted":false,"Disease_Name_Full__c":"Lethal polymalformative syndrome, Boissel type","Xref_IDs__c":"C2752001; C567856; MEDGEN:414158; MONDO:0013050; OMIM:612938; ORPHA:210144","USA_Estimate__c":"1,000","No_of_Specialist_Tagsa__c":2,"No_of_ClinGen_records__c":0,"No_of_GeneReviews__c":0,"No_of_HHS_records__c":0,"World_Estimate__c":"1 to 8,000","No_of_HRSA_records__c":0,"Evidence_Based_Score__c":0,"No_of_Disease_Descriptions__c":3,"Disease_Characteristics_Score__c":6,"No_of_Age_at_Onset__c":2,"Description_Source__c":"ORPHA:210144","Disease_Description__c":"Lethal polymalformative syndrome, Boissel type is a rare, genetic, lethal, multiple congenital anomalies/dysmorphic syndrome characterized by failure to thrive, severe developmental delay, severe postanatal microcephaly, frequent congenital cardiac defects and characteristic facial dysmorphysm (including coarse face with anteverted nostrils, thin vermillion, prominent alveolar ridge and retro- or micrognatia). Additional common features include neurologic abnormalities (hyper-/hypotonia, sensorineural deafness, hydrocephalus, cerebral atrophy, seizures), as well as brachydactyly, cutis marmorata and genital anomalies.","GARD_Name__c":"Lethal polymalformative syndrome, Boissel type","GARD_Synonym__c":"growth retardation, developmental delay, and facial dysmorphism; growth retardation, developmental delay, facial dysmorphism","Curated_Disease_Description_Source__c":"ORPHA:210144","Curated_Disease_Description__c":"A rare, genetic, lethal, multiple congenital anomalies/dysmorphic syndrome characterized by failure to thrive, severe developmental delay, severe postanatal microcephaly, frequent congenital cardiac defects and characteristic facial dysmorphysm (including coarse face with anteverted nostrils, thin vermillion, prominent alveolar ridge and retro- or micrognatia). Additional common features include neurologic abnormalities (hyper-/hypotonia, sensorineural deafness, hydrocephalus, cerebral atrophy, seizures), as well as brachydactyly, cutis marmorata and genital anomalies.","Curated_USA_Estimate_Source__c":null,"Curated_USA_Estimate__c":"1,000","Age_at_Onset_Snippet_Text__c":"as a Newborn and as an Infant","SourceID__c":"ORPHA:210144","Deprecated__c":"No","Disease_Concept_Type__c":"Rare Disease Entity","MONDO_ID__c":"MONDO:0013050","ORPHANET_ID__c":"ORPHA:210144","Replaced_By_ID__c":null,"Display_Spanish_Disease_Name__c":"Síndrome polimalformativo letal tipo boissel","Spanish_Description_Source__c":null,"Spanish_Description__c":null,"Spanish_Disease_Name__c":"síndrome polimalformativo letal tipo boissel","Spanish_GARD_Synonym__c":null,"Category_Linearization__c":"ORPHA:93890","icd10_id__c":null,"mesh_id__c":null,"omim_id__c":null,"snomed_id__c":null,"umls_id__c":null,"GARD_Disease__c":[{"Curated_Disease_Description__c":"A rare, genetic, lethal, multiple congenital anomalies/dysmorphic syndrome characterized by failure to thrive, severe developmental delay, severe postanatal microcephaly, frequent congenital cardiac defects and characteristic facial dysmorphysm (including coarse face with anteverted nostrils, thin vermillion, prominent alveolar ridge and retro- or micrognatia). Additional common features include neurologic abnormalities (hyper-/hypotonia, sensorineural deafness, hydrocephalus, cerebral atrophy, seizures), as well as brachydactyly, cutis marmorata and genital anomalies.","Curated_Disease_Description_Source__c":"ORPHA:210144","GARD_Synonym__c":"growth retardation, developmental delay, and facial dysmorphism; growth retardation, developmental delay, facial dysmorphism","Name":"Lethal polymalformative syndrome, Boissel type","Curated_USA_Estimate__c":"1,000","estimateUsa":"1,000"}],"GARD_Disease_Tag__c":[{"Tag_Name__c":"Genetics","Tag_Category__c":"Cause;Disease Category;Specialist","category_description":"Genetic diseases affect the DNA, or genetic instructions, which directs how tissues, organs, and body systems function.","curated_tag_name":"Genetic diseases"},{"Tag_Name__c":"Congenital Abnormality","Tag_Category__c":"Disease Category","category_description":"Birth defects are structural changes present at birth that can affect almost any part of the body, including how the body looks, works, or both.","curated_tag_name":"Birth defects"},{"Tag_Name__c":"Pediatrics","Tag_Category__c":"Specialist"}],"Age_At_Onset__c":[{"Age_At_Onset__c":"Infancy","Provided_By__c":"ORPHA:210144"},{"Age_At_Onset__c":"Neonatal","Provided_By__c":"ORPHA:210144"}],"External_Identifier_Disease__c":[{"URL__c":"https://www.ncbi.nlm.nih.gov/medgen/?term=414158","Source__c":"C2752001","Xref__c":"MEDGEN:414158"},{"URL__c":"https://www.omim.org/entry/612938","Source__c":"C2752001; MONDO:0013050; ORPHA:210144","Xref__c":"OMIM:612938"},{"URL__c":"https://www.ncbi.nlm.nih.gov/mesh/C567856","Source__c":"MONDO:0013050","Xref__c":"C567856"},{"URL__c":"https://uts.nlm.nih.gov/uts/umls/concept/C2752001","Source__c":"C2752001","Xref__c":"C2752001"},{"URL__c":"https://www.orpha.net/en/disease/detail/210144","Source__c":"C2752001; MONDO:0013050","Xref__c":"ORPHA:210144"},{"URL__c":"http://purl.obolibrary.org/obo/MONDO_0013050","Source__c":"GARD:0017110","Xref__c":"MONDO:0013050"}],"GARD_Disease_Gene__c":[{"GeneSymbol__c":"FTO","Gene_Type__c":"protein-coding gene","Causal_Gene__c":true}],"Inheritance__c":["Autosomal recessive"],"GARD_Disease_Feature__c":[{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"A congenital brain malformation typically characterized by incomplete formation of the cerebellar vermis, dilation of the fourth ventricle, and enlargement of the posterior fossa. In layman's terms, Dandy Walker malformation is a cyst in the cerebellum (typically symmetrical) that is involved with the fourth ventricle. This may interfere with the ability to drain cerebrospinal fluid from the brain, resulting in hydrocephalus. Dandy Walker cysts are formed during early embryonic development, while the brain forms. The cyst in the cerebellum typically has several blood vessels running through it connecting to the brain, thereby prohibiting surgical removal.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001305","HPO_Synonym__c":"Dandy-walker anomaly; Dandy-Walker cyst","HPO_Name__c":"Dandy-Walker malformation","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A reticular discoloration of the skin with cyanotic (reddish-blue appearing) areas surrounding pale central areas due to dilation of capillary blood vessels and stagnation of blood within the vessels. Cutis marmorata generally occurs on the legs, arms and trunk and is often more severe in cold weather.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000965","HPO_Name__c":"Cutis marmorata","Feature_System__c":"Skin System; Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Head circumference which falls below 2 standard deviations below the mean for age and sex because of insufficient head growth after birth.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0005484","HPO_Synonym__c":"Acquired microcephaly; Deceleration of head growth; Microcephaly, acquired; Microcephaly, postnatal; Postnatal deceleration of head circumference; Postnatal microcephaly","HPO_Name__c":"Secondary microcephaly","Feature_System__c":"Nervous System; Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Occasional (5-29%)","Feature__r":{"HPO_Description__c":"Partial or complete wasting (loss) of brain tissue that was once present.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0012444","HPO_Synonym__c":"Brain degeneration; Brain wasting","HPO_Name__c":"Brain atrophy","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Anteriorly-facing nostrils viewed with the head in the Frankfurt horizontal and the eyes of the observer level with the eyes of the subject. This gives the appearance of an upturned nose (upturned nasal tip).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000463","HPO_Synonym__c":"Anteverted nose; Anteverted nostrils; Nasal tip, upturned; Nostrils anteverted; Upturned nares; Upturned nasal tip; Upturned nose; Upturned nostrils","HPO_Name__c":"Anteverted nares","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"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_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001629","HPO_Synonym__c":"Hole in heart wall separating two lower heart chambers; Ventricular septal defects; Ventriculoseptal defect; VSD","HPO_Name__c":"Ventricular septal defect","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Failure to thrive (FTT) refers to a child whose physical growth is substantially below the norm.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001508","HPO_Synonym__c":"Faltering weight; FTT; Postnatal failure to thrive; Weight faltering","HPO_Name__c":"Failure to thrive","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Hydrocephalus is an active distension of the ventricular system of the brain resulting from inadequate passage of CSF from its point of production within the cerebral ventricles to its point of absorption into the systemic circulation.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000238","HPO_Synonym__c":"Hydrocephaly; Nonsyndromal hydrocephalus; Too much cerebrospinal fluid in the brain","HPO_Name__c":"Hydrocephalus","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"An abnormal restriction of fetal growth with fetal weight below the tenth percentile for gestational age.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001511","HPO_Synonym__c":"Fetal growth restriction; FGR; In utero growth retardation; Intrauterine growth failure; Intrauterine growth restriction; Intrauterine growth retardation, IUGR; Intrauterine retardation; IUGR; Prenatal growth deficiency; Prenatal growth failure; Prenatal growth retardation; Prenatal onset growth retardation; Prenatal-onset growth retardation; Small for gestational age infant","HPO_Name__c":"Intrauterine growth retardation","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Increased width of the alveolar ridges.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0009085","HPO_Synonym__c":"Alveolar ridge excess; Enlarged alveolar ridge; Hyperplasia of alveolar process of jaw; Hyperplasia of alveolar ridge; Increased size of alveolar ridge; Overgrowth of alveolar ridge; Overgrowth of gum ridge; Thick alveolar ridges; Thickened alveolar ridges","HPO_Name__c":"Alveolar ridge overgrowth","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A severe delay in the achievement of motor or mental milestones in the domains of development of a child.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0011344","HPO_Synonym__c":"Global developmental delay, severe","HPO_Name__c":"Severe global developmental delay","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0002678","HPO_Synonym__c":"Asymmetry of skull; Skull asymmetry","HPO_Name__c":"Skull asymmetry","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Rounding and broadening of the tufts of the distal phalanges.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0006129","HPO_Synonym__c":"Drumstick shaped digital bones","HPO_Name__c":"Drumstick terminal phalanges","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Height of the vermilion of the medial part of the lip more than 2 SD below the mean, or apparently reduced height of the vermilion of the lip in the frontal view. The vermilion is the red part of the lips (and confusingly, the vermilion itself is also often referred to as being equivalent the lips).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000233","HPO_Synonym__c":"Decreased volume of lip; Decreased volume of lip vermillion; Thin lips; Thin vermillion","HPO_Name__c":"Thin vermilion border","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","Feature__r":{"HPO_Description__c":"In utero, the ductus arteriosus (DA) serves to divert ventricular output away from the lungs and toward the placenta by connecting the main pulmonary artery to the descending aorta. A patent ductus arteriosus (PDA) in the first 3 days of life is a physiologic shunt in healthy term and preterm newborn infants, and normally is substantially closed within about 24 hours after bith and completely closed after about three weeks. Failure of physiologcal closure is referred to a persistent or patent ductus arteriosus (PDA). Depending on the degree of left-to-right shunting, PDA can have clinical consequences.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001643","HPO_Synonym__c":"Ductus arteriosus; Patent ductus Botalli; PDA; Persistent arterial duct; Persistent ductus arteriosus","HPO_Name__c":"Patent ductus arteriosus","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","Feature__r":{"HPO_Description__c":"Testis in inguinal canal. That is, 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 scrotum.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000028","HPO_Synonym__c":"Cryptorchism; Undescended testes; Undescended testis","HPO_Name__c":"Cryptorchidism","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Hypertrophic cardiomyopathy (HCM) is defined by the presence of increased ventricular wall thickness or mass in the absence of loading conditions (hypertension, valve disease) sufficient to cause the observed abnormality.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001639","HPO_Synonym__c":"Cardiomyopathy, hypertrophic; Enlarged and thickened heart muscle; HCM","HPO_Name__c":"Hypertrophic cardiomyopathy","Feature_System__c":"Cardiovascular System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001612","HPO_Name__c":"Weak cry","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Absence of fine and sharp appearance of brows, nose, lips, mouth, and chin, usually because of rounded and heavy features or thickened skin with or without thickening of subcutaneous and bony tissues.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000280","HPO_Synonym__c":"Coarse face; Coarse facial appearance; Coarse facial features; Coarse facies","HPO_Name__c":"Coarse facial features","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A type of hearing impairment in one or both ears related to an abnormal functionality of the cochlear nerve.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000407","HPO_Synonym__c":"Hearing loss, sensorineural; Sensorineural deafness; Sensorineural hearing loss","HPO_Name__c":"Sensorineural hearing impairment","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A spectrum of malformations of cortical development caused by insufficient neuronal migration that subsumes the terms agyria, pachygyria and subcortical band heterotopia. See also neuropathological definitions for 2-, 3-, and 4-layered lissencephaly.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001339","HPO_Synonym__c":"Fewer or absent grooves in brain","HPO_Name__c":"Lissencephaly","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Diminished length of the neck.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000470","HPO_Synonym__c":"Decreased length of neck; Short neck","HPO_Name__c":"Short neck","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Uvula separated into two parts most easily seen at the tip.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000193","HPO_Synonym__c":"Bifid palatine uvula; Cleft of uvula; Cleft uvula; Forked uvula; Split uvula; Uvula bifida","HPO_Name__c":"Bifid uvula","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Tongue extending beyond the alveolar ridges or teeth at rest.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0010808","HPO_Synonym__c":"Lingual prolapse; Lingual prominence; Lingual protrusion; Prolapse of tongue; Prominent tongue; Protruding tongue; Tongue protrusion; Tongue sticking out of mouth","HPO_Name__c":"Protruding tongue","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Underdevelopment of the toenail.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001800","HPO_Synonym__c":"Underdeveloped toenails","HPO_Name__c":"Hypoplastic toenails","Feature_System__c":"Skin System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Cleft palate is a developmental defect of the palate resulting from a failure of fusion of the palatine processes and manifesting as a separation of the roof of the mouth (soft and hard palate).","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000175","HPO_Synonym__c":"Cleft hard and soft palate; Cleft of hard and soft palate; Cleft of palate; Cleft palate; Cleft roof of mouth; Palatoschisis; Uranostaphyloschisis","HPO_Name__c":"Cleft palate","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"Digits that appear disproportionately short compared to the hand/foot. The word brachydactyly is used here to describe a series distinct patterns of shortened digits (brachydactyly types A-E). This is the sense used here.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001156","HPO_Synonym__c":"Brachydactyly syndrome; Short fingers or toes","HPO_Name__c":"Brachydactyly","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"A seizure is an intermittent abnormality of nervous system physiology characterized by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001250","HPO_Synonym__c":"Epileptic seizure; Seizures","HPO_Name__c":"Seizure","Feature_System__c":"Nervous System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Frequent (30-79%)","Feature__r":{"HPO_Description__c":"Protrusion of abdominal contents through a defect in the abdominal wall musculature around the umbilicus. Skin and subcutaneous tissue overlie the defect.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001537","HPO_Synonym__c":"Umbilical hernias","HPO_Name__c":"Umbilical hernia","Feature_System__c":"Musculoskeletal System; Digestive System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"A condition in which there is increased muscle tone so that arms or legs, for example, are stiff and difficult to move.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0001276","HPO_Synonym__c":"Hypertonicity; Increased muscle tone","HPO_Name__c":"Hypertonia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}},{"Provided_By__c":"OMIM:612938","HPO_Frequency__c":"Very frequent (80-99%)","Feature__r":{"HPO_Description__c":"An abnormality in which the mandible is mislocalised posteriorly.","HPO_Feature_URL__c":"https://hpo.jax.org/browse/term/HP:0000278","HPO_Synonym__c":"Lower jaw retrognathia; Lower jaw retrusion; Mandibular retrognathia; Mandibular retrusion; Receding chin; Receding lower jaw; Receding mandible; Retrognathia of lower jaw; Retrusion of lower jaw; Weak chin; Weak jaw","HPO_Name__c":"Retrognathia","Feature_System__c":"Musculoskeletal System","HPO_Feature_Type__c":"Symptom"}}],"tags":{"Cause":["Genetics"],"Disease Category":["Genetics","Congenital Abnormality"],"Specialist":["Genetics","Pediatrics"]},"synonyms":["growth retardation, developmental delay, and facial dysmorphism"," growth retardation, developmental delay, facial dysmorphism"]}