achondroplastic dwarf - definition of achondroplastic dwarf in the Medical dictionary - by the Free Online Medical Dictionary, Thesaurus and Encyclopedia.

dwarf (dworf) an abnormally short person.dwarf´ish

achondroplastic dwarf one with achondroplasia and a large head with saddle nose and brachycephaly, short limbs, and usually lordosis.

Amsterdam dwarf one with de Lange's syndrome.

ateliotic dwarf one with infantile skeleton, with persistent nonunion between epiphyses and diaphyses.

hypophysial dwarf pituitary d.

Laron dwarf one whose skeletal growth retardation is from impaired ability to synthesize insulin-like growth factor I, usually due to growth hormone receptor defects.

normal dwarf , physiologic dwarf a person who is unusually short but not deformed.

pituitary dwarf a dwarf with hypophysial infantilism.

rachitic dwarf a person dwarfed by rickets, having a high forehead with prominent bosses, bent long bones, and Harrison's groove.

renal dwarf one whose failure to achieve normal bone maturation is due to renal failure.

true dwarf normal d.

achondroplastic dwarf

[-plas′tik]

the most common type of dwarf, characterized by disproportionately short limbs, a normal-sized trunk, a large head with a depressed nasal bridge and small face, stubby hands, and lordosis. The condition results from an inherited defect in bone-forming tissue and is often associated with other defects or abnormalities, although there is usually no involvement of the central nervous system and intelligence is normal. See also achondroplasia.