ANTHROP 3PP3 Study Guide - Quiz Guide: Fibrous Joint, Congenital Syphilis, Lumbar Vertebrae
11 Apr 2018
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Cranial vault, face, and clavicle are normal. Nasal area is depressed, small midface, larger head. Limbs are shortened, usually not more than 140 cm in statue. Short limbs and hands (short fingers and toes with tridents hands) Bowed legs (varus) or knock knee (valgus) Most severe congenital abnormality; infants do not survive long after birth. Basic defect: lack of development of the skull vault. Failure of bone union of the two halves of the palate during fetal development. Opening between the mouth cavity and the nasal cavity. Talus bone is always abnormal; other foot bones are affected. Present on femur and acetabulum of innominate. Mainly affects skull: relative shortening of skull length associated with some flattening at the back and nose. Extra space between big toe and second toe. Lumbarization bulges the first sacral vertebra is not fused to the rest of the sacrum. Appears to be 6 lumbar vertebra, not 5. Small cranial vault & severe mental impairment.
