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Laron syndrome (LS), also known as growth hormone insensitivity or growth hormone receptor deficiency (GHRD), is an autosomal recessive disorder characterized by a lack of insulin-like growth factor 1 (IGF-1; somatomedin-C) production in response to growth hormone (GH; hGH; somatotropin). [6]
Dwarfism is a condition of people and animals marked by unusually small size or short stature. [1] In humans, it is sometimes defined as an adult height of less than 147 centimetres (4 ft 10 in), regardless of sex; the average adult height among people with dwarfism is 120 centimetres (4 ft).
Ichthyosis-intellectual disability-dwarfism-renal impairment is a very rare autosomal recessive ichthyotic genetic disorder which consists of congenital ichthyosis, intellectual disabilities, dwarfism/short stature and renal impairment. This condition has been described only in four members of an Iranian family and was discovered in the summer ...
The peritoneum, however, had shown anomalies that are common among mammals, but not among humans. In addition, microscopic tests of the right hemisphere had revealed a reduced number of brain wraps. Again, De Lange was aware that further studies were needed to unravel the underlying pathological anatomy of the identified condition.
Primordial dwarfism (PD) is a form of dwarfism that results in a smaller body size in all stages of life beginning from before birth. [1] More specifically, primordial dwarfism is a diagnostic category including specific types of profoundly proportionate dwarfism, in which individuals are extremely small for their age, even as a fetus .
It is thought that chondrodystrophy [2] is caused by an autosomal, recessive allele.To avoid a potential "lethal dose", both parents can be genetically tested.If a child is conceived with another carrier the outcome may be lethal, or the child may suffer from chondrodystrophy or dwarfism. [3]
When the cause is unknown, it is called idiopathic short stature. [5] Short stature can also be caused by the bone plates fusing at an earlier age than normal, therefore stunting growth. Normally, the bone age is the same as the biological age but for some people, it is older. For many people with advanced bone ages, they hit a growth spurt ...
Silver–Russell syndrome, also called Silver–Russell dwarfism, is a rare congenital growth disorder. In the United States it is usually referred to as Russell–Silver syndrome, and Silver–Russell syndrome elsewhere. It is one of 200 types of dwarfism and one of five types of primordial dwarfism.