| periosteal implantation | Insertion of a normal tendon into a periosteum as part of a tendon transplantation operation. (05 Mar 2000) |
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| periosteal layer of dura mater | See: dura mater of brain. (05 Mar 2000) |
| periosteal osteosarcoma | <tumour> Chondroblastic osteosarcoma occurring on the surface of bones without involvement of the marrow; usually presents in adolescents and young adults as a lucent defect with bone spicules extending into soft tissues. Histologically, the tumour is intermediate to high grade, and the cartilage is lobulated. (05 Mar 2000) |
| periosteal reaction | <radiology> In adults: hypertrophic osteoarthropathy (HOA), pachydermoperiostosis, vascular insufficiency, thyroid acropachy, fluorosis in kids: physiologic periostosis, Caffey disease, JRA, acute leukaemia, scurvy, rickets, congenital syphilis, hypervitaminosis A (12 Dec 1998) |
| periosteal reaction patterns | <radiology> Pattern most indicative of buttressing eosinophilic granuloma laminated Ewing sarcoma or hair-on-end Codman triangle osteo- or chondrosarcoma or sunburst (per Resnick) (12 Dec 1998) |
| periosteal reflex | A muscular contraction in the arm following a tap on the radius or ulna. (05 Mar 2000) |
| periosteal sarcoma | <tumour> A form of osteogenic sarcoma of relatively low malignancy, probably arising from the periosteum and initially involving cortical bone and adjacent connective tissue, which occurs in middle-aged as well as young adults and most commonly affects the lower part of the femoral shaft. Synonym: periosteal sarcoma. (05 Mar 2000) |
| upper abdominal periosteal reflex | Percussing the lower margin of the costal cartilages in the nipple line causes a contraction of the ipsilateral abdominal muscles (inconstant). (05 Mar 2000) |
| lower abdominal periosteal reflex | A deep abdominal reflex in which there is a contraction of the abdominal muscles on tapping the anterior superior iliac spine. Synonym: lower abdominal periosteal reflex. (05 Mar 2000) |