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Rheumatology. Saethre–Chotzen syndrome (SCS), also known as acrocephalosyndactyly type III, is a rare congenital disorder associated with craniosynostosis (premature closure of one or more of the sutures between the bones of the skull). This affects the shape of the head and face, resulting in a cone-shaped head and an asymmetrical face.
Vaginal anomalies. A 1904 gynecology textbook that describes some vaginal anomalies. Vaginal anomalies are abnormal structures that are formed (or not formed) during the prenatal development of the female reproductive system and are rare congenital defects that result in an abnormal or absent vagina. [1]
Henry Turner. Turner syndrome (TS), also known as 45,X, or 45,X0, is a genetic disorder in which the patient's cells have only one X chromosome or are partially missing an X chromosome (sex chromosome monosomy) leading to the complete or partial deletion of the pseudoautosomal regions (PAR1, PAR2) in the affected X chromosome. [2][6][7] Most ...
Waardenburg syndrome is a group of rare genetic conditions characterised by at least some degree of congenital hearing loss and pigmentation deficiencies, which can include bright blue eyes (or one blue eye and one brown eye), a white forelock or patches of light skin. These basic features constitute type 2 of the condition; in type 1, there is ...
v. t. e. Disorders of sex development (DSDs), also known as differences in sex development or variations in sex characteristics (VSC), [2] [3] are congenital conditions affecting the reproductive system, in which development of chromosomal, gonadal, or anatomical sex is atypical. [4]
3% of newborns (US) [ 8 ] Deaths. 628,000 (2015) [ 9 ] A birth defect[ a ] is an abnormal condition that is present at birth, regardless of its cause. [ 2 ] Birth defects may result in disabilities that may be physical, intellectual, or developmental. [ 2 ] The disabilities can range from mild to severe. [ 6 ]
Seckel syndrome. defects of genes on chromosome 3 and 18. Seckel syndrome, or microcephalic primordial dwarfism (also known as bird-headed dwarfism, Harper's syndrome, Virchow–Seckel dwarfism and bird-headed dwarf of Seckel[1]) is an extremely rare congenital nanosomic disorder. Inheritance is autosomal recessive. [2]
Hypospadias is a common malformation in fetal development of the penis in which the urethra does not open from its usual location on the head of the penis. It is the second-most common birth defect of the male reproductive system, affecting about one of every 250 males at birth, [3] although when including milder cases, is found in up to 4% of newborn males. [4]