What's the difference between bone and perichondrium?
Bone
Definition:
(n.) The hard, calcified tissue of the skeleton of vertebrate animals, consisting very largely of calcic carbonate, calcic phosphate, and gelatine; as, blood and bone.
(n.) One of the pieces or parts of an animal skeleton; as, a rib or a thigh bone; a bone of the arm or leg; also, any fragment of bony substance. (pl.) The frame or skeleton of the body.
(n.) Anything made of bone, as a bobbin for weaving bone lace.
(n.) Two or four pieces of bone held between the fingers and struck together to make a kind of music.
(n.) Dice.
(n.) Whalebone; hence, a piece of whalebone or of steel for a corset.
(n.) Fig.: The framework of anything.
(v. t.) To withdraw bones from the flesh of, as in cookery.
(v. t.) To put whalebone into; as, to bone stays.
(v. t.) To fertilize with bone.
(v. t.) To steal; to take possession of.
(v. t.) To sight along an object or set of objects, to see if it or they be level or in line, as in carpentry, masonry, and surveying.
Example Sentences:
(1) It is concluded that during exposure to simulated microgravity early signs of osteoporosis occur in the tibial spongiosa and that changes in the spongy matter of tubular bones and vertebrae are similar and systemic.
(2) In conclusion, the efficacy of free tissue transfer in the treatment of osteomyelitis is geared mainly at enabling the surgeon to perform a wide radical debridement of infected and nonviable soft tissue and bone.
(3) This bone could not be degraded by human monocytes in vitro as well as control bone (only 54% of control; P less than 0.003).
(4) It is suggested that the Japanese may have lower trabecular bone mineral density than Caucasians but may also have a lower threshold for fracture of the vertebrae.
(5) Osteoporosis is characterized by a reduction in bone density.
(6) The half-life of 45Ca in the various calcium fractions of both types of bone was 72 hours in both the control and malnourished groups except the calcium complex portion of the long bone of the control group, which was about 100 hours.
(7) We have addressed the effect of late intensification with autologous bone marrow transplantation on SCLC through a randomized clinical trial.
(8) Our results indicate that increasing the delay for more than 8 days following irradiation and TCD syngeneic BMT leads to a rapid loss of the ability to achieve alloengraftment by non-TCD allogeneic bone marrow.
(9) Decreased MU stops additions of bone by modeling and increases removal of bone next to marrow by remodeling.
(10) Pokeweed mitogen-stimulated rat spleen cells were identified as a reliable source of rat burst-promoting activity (PBA), which permitted development of a reproducible assay for rat bone marrow erythroid burst-forming units (BFU-E).
(11) The fibrous matrix and cartilage formed within the nonunion site transformed to osteoid and bone with increased vascularity.
(12) Periosteal chondroma is an uncommon benign cartilagenous lesion, and its importance lies primarily in its characteristic radiographic and pathologic appearance which should be of assistance in the differential diagnosis of eccentric lesions of bones.
(13) The compressive strength of bone is proportional to the square of the apparent density and to the strain rate raised to the 0.06 power.
(14) Furthermore echography revealed a collateral subperiosteal edema and a moderate thickening of extraocular muscles and bone periostitis, a massive swelling of muscles and bone defects in subperiosteal abscesses as well as encapsulated abscesses of the orbit and a concomitant retrobulbar neuritis in orbital cellulitis.
(15) Survival was independent of the type of clinical presentation and protocol employed but was correlated with the stage (P less than 0.0005), symptoms (P less than 0.025), bulky disease (P less than 0.025) and bone marrow involvement (P less than 0.025).
(16) There was however no difference in the cross-sectional studies and no significant deleterious effect detected of tobacco use on forearm bone mineral content.
(17) During the digestion of these radiolabeled bacteria, murine bone marrow macrophages produced low-molecular-weight substances that coeluted chromatographically with the radioactive cell wall marker.
(18) According to the finite element analysis, the design bases of fixed restorations applied in the teeth accompanied with the absorption of the alveolar bone were preferred.
(19) At consolidation, the distraction area was composed of lamellar trabecular and partly woven bone.
(20) Periodontal disease activity is defined clinically by progressive loss of probing attachment and radiographically by progressive loss of alveolar bone.
Perichondrium
Definition:
(n.) The membrane of fibrous connective tissue which closely invests cartilage, except where covering articular surfaces.
Example Sentences:
(1) Fascia TM grafts atrophied in 35 of 43 ears (80%), and perichondrium atrophied in 8 of 20 ears (40%).
(2) Nerve fibers showing SP- and CGRP-LI were also observed close to the acini and ducts of the glands, in the blood vessel walls, close to the perichondrium of all the cartilages, and outside the cricothyroid and cricoarytenoid joints.
(3) Orthopedic new approaches to therapy of OA include removal of abnormal tissue to stimulate repair (e.g., burring, abrasion) and grafting (e.g., osteochondral grafts, perichondrium, periosteum) to the subchondral bone.
(4) The cartilaginous potential of the perichondrium has earlier been utilized to reconstruct articular cartilage in unloaded joints in adult rabbits.
(5) Treated embryos showed a delay in the longitudinal growth of the tibia, as well as in the growth of all structures enclosed by the perichondrium-periosteum.
(6) After perichondrium implantation, the following sequence in tracer distribution was demonstrated.
(7) The results support earlier morphological findings, indicating that perichondrium from rib cartilage has a better ability to regenerate than auricular perichondrium.
(8) In many species cartilage autografts survive and grow despite the absence of perichondrium and synovial membrane.
(9) Eight 21-day-old rabbits completed the study in which perichondrium was elevated from one cartilaginous surface of one ear and the nonoperated ear served as a control.
(10) Deep to the perichondrium, the chondrocytes are packed with intermediate filaments.
(11) The surrounding connective tissue and the perichondrium showed weak type I collagen expression, while the zones of desmal ossification like the clavicle gave a strong signal.
(12) The purpose of this study is to define and discuss this clinical entity and the use of cartilage-perichondrium tympanoplasty as a safe and predictable method of treatment, reducing destructive complications while maintaining ear function.
(13) Nasal cartilage wounds rapidly rounded off and the perichondrium reformed without evidence of callus formation.
(14) Tympano-cartilago-stapediopexy was performed in the other 95 cases by using tragal cartilage and perichondrium over the stapes.
(15) Tragal perichondrium is a widely used tissue seal in the oval window following stapes surgery.
(16) The lesion may then be enucleated or resected, and the defect, if any exists, closed with overlying mucosa and the flap of preserved perichondrium.
(17) An extensive alkaline phosphatase activity was demonstrated on the plasma membrane of fibroblasts and chondroblasts in the external perichondrium.
(18) The influence of perichondrium on healing was studied by comparing ulcers with and without perichondrium on 1) formation of total healing wound area (HWA, the newly formed connective and granulation tissues within the ulcer) over time and 2) the amount of collagen synthesized by the wound tissue at day 5.
(19) A xenograft of costal rabbit perichondrium was transplanted to an articular cartilage defect in a sheep knee.
(20) In 3 cases, the cleft cranially is enclosed by perichondrium at the lateral and medial sides; caudally the perichondral tissue is continued by cartilage on the medial side.