acromegaly Medicine. a disease resulting from abnormal activity of the pituitary gland in which bones of the extremities are enlarged. —acromegalic, adj. agmatology 1. a branch of medical science that studies fractures. 2. a treatise on fractures. atomy Obsolete, a skeleton. comminution the breaking of a bone into small pieces. cornification organic change into a hornlike form. craniography the science of skull description. —craniographer, n. —craniographic, craniographical, adj. diaphysis the shaft section of a long bone. —diaphytical, adj. diarthrosis a joint or articulation, as that at the knee, which allows maximum movement. exostosis an abnormal calcareous growth on a bone or tooth. See also plants. gargoylism an abnormal physical condition characterized by extensive structural defects of the skeleton and by gross mental deficiency. gomphosis an immovable joint, the bone being fixed in its socket in such a way that it does not move. lordosis any abnormal curvature of the bones, especially forward curvature of the spine, resulting in a hollow in the back. —lordotic, adj. luxation 1. the act of dislocating a bone or putting a joint out of position. 2. the condition of dislocation or being out of joint. ossuary a place or receptacle for the bones of the dead. See also death. osteoclasis the breaking of a bone either to correct a deformity or to reset a bone that has healed badly after a fracture. See also bodily functions. osteography the study of bones for descriptive purposes. —osteographer, n. —osteographic, osteographical, adj. osteology the branch of anatomy that studies the skeleton. Also called skeletology. —osteologist, osteologer, n. —osteologie, osteological, adj. osteomalacia softening of the bones resulting from malnutrition and the consequent loss of essential salts from the bones. osteomancy, osteomanty divination by the examination of bones. —osteomantic, adj. osteometry the measurement of bones. osteopathology 1. study of diseases of the bones. 2. any disease of the bone. —osteopathologist, n. —osteopathologic, osteopathological, adj. osteopathy 1. a disease of the bone. 2. a therapeutic system based upon the premise that restoring or maintaining health requires manipulation of the skeleton and muscles to preserve normal structure. —osteopath, osteopathist, n. —osteopathie, adj. osteoplasty the surgical practice of bone-grafting. osteoporosis the rarefaction of bone, resulting in abnormally porous and weak bony tissue. osteotomy 1. the dissection or anatomy of bones. 2. the cutting of bones as part of a surgical operation. —osteotomist, n. ostosis ossification or the process of bone formation. scapulomancy a form of divination in which a shoulder blade is heated in a fire and the resulting cracks in the bone are consulted for omens. —scapulomantic, adj. siagonology the study of jawbones. —siagonologic, siagonological, adj. skeletology osteology. spatulamancy a form of divination by means of an animal’s shoulder blade. —spatulamantic, adj. symphysis the growing together or the fixed or almost fixed union of two bones, as the two halves of the lower jaw. —symphyseal, symphysial, symphystic, adj. syssarcosis the joining of two or more bones by muscle. valgus 1. an abnormally turned condition of a bone in part of the human body, especially the leg. 2. the condition of being bowlegged.
- third-person singular simple present indicative form of bone