In medicine,<unk> is an obsolete term for various, often unrelated disorders of human development, up to developmental disability, which consist of retention of the physical and/or psychological characteristics of early developmental stages (infant, child) into a relatively advanced age. Various types of<unk> were recognized, lumped together in the above superficial description. With better understanding of the endocrine system and genetic disorders, various disorders which included the word<unk> " received other names. For example, Brissaud's<unk>  described by Édouard Brissaud in 1907 is now known as myxedema (a form of hypothyroidism); "intestinal<unk>  of Christian Archibald Herter is called coeliac disease. The Turner syndrome was described as "a syndrome of<unk>  by Henry Turner himself. Terms such as "genital<unk> <unk> in development of genitals, hypogenitalism), or "sexual<unk>  (lack of sexual development after expected puberty or delayed puberty) may still be seen, and are considered to be synonyms of hypogonadism. "Somatic<unk>  refers to<unk> of overall bodily development. Speech<unk> is a speech disorder. Similarly to some other medical terms (cretinism, idiotism),<unk> "/"infantile" may be used pejoratively (synonymous to "immature").
Infantilism 
Catastrophic injury
Neuroplasticity
Barotrauma
Undervirilization
Thermal trauma
Arthropod assault
Electrical injury