(a.) Partaking of the nature of calcite or calcium carbonate; consisting of, or containing, calcium carbonate or carbonate of lime.
Example Sentences:
(1) The following signs in the preoperative radiographs were predictive of unfavorable outcome: small head fragment, comminution of the calcar femorale, and varus angulation of the head.
(2) To insert the new stem we had to reconstruct the proximal femur and the calcar region by autogenous cortico-cancellous bone grafts in seven cases.
(3) At present, we insist on the unexpected relationship between diabetes mellitus and undernutrition either in some major infantile forms (described in India and Nigeria) with calcareous pancreatitis, or some less severe forms observed in Africa.
(4) Middle-aged patients and men were more prone to develop resorption of the calcar.
(5) Serial sections of 90 Sprague-Dawley rat brains with the pineal in situ were scanned to determine the occurrence and regional distribution of calcareous concretions within the pineal gland and its surrounding leptomeningeal tissue.
(6) The collar of the BBM transfers stress to the calcar.
(7) The girdle epidermis of adult Mopalia muscosa secretes several types of structures, including calcareous spicules and innervated hairs.
(8) In order to define the anatomy of the calcar femorale, a radiologic and surgical study was done on ten paired cadaver femurs.
(9) Thirty-four (42 per cent) had more than three millimeters of resorption of the calcar or superomedial cyst formation.
(10) A massive decrease in stress in the region of the calcar femorale was found when the implants were in place, and it was concluded that this decrease could contribute substantially to the calcar femorale resorption sometimes observed in patients after total hip replacement.
(11) Ratios of the stem, stem tip, greater trochanter, lesser trochanter and calcar, and normal femur to the reference sacroiliac joint were obtained, as well as tip-to-stem, and stem-to-normal femur in unilateral arthroplasties.
(12) The plate tensile strain increased by 360% while the compressive calcar strain decreased 85%.
(13) Sufficient cementation of the medullary canal significantly reduced the incidence of calcar resorption, as did neutral and valgus positioning of the femoral component.
(14) Comparison of our data with those of others indicated that the incidence of loosening, calcar resorption, and cortical hypertrophy was usually lower than with similarly designed conventional high-modulus Charnley stems.
(15) X-ray diffraction showed that calcite (CaCO3) was the major crystalline constituent of the calcareous deposits.
(16) In the region of the calcar femorale, crossing trabeculae, similar to the appearance of an enchondroma or bone infarct, have been described in osteoporosis and osteoarthritis and probably represent unmasking of normally present reinforcing trabeculae.
(17) The splitting of several calcareous nodules on a valve made it more pliable.
(18) The 4 modes of failure characterizing stem-type component progressive loosening mechanisms consisted of stem pistoning within the acrylic (3.3%), cement-embedded stem pistoning with the femur (5.1%), medial midstem pivot (2.5%), calcar pivot (0.7%) and bending (fatigue) cantilever (3.3%).
(19) Calcareous corpuscles are smaller and more numerous in the scolex and neck than in the cyst wall.
(20) If this intermenstrual bleeding appears at a certain time after the insertion of the intrauterine device, either there is a calcareous deposit, or the device has shifted, or there is an infection.
Coralline
Definition:
(a.) Composed of corallines; as, coralline limestone.
(n.) A submarine, semicalcareous or calcareous plant, consisting of many jointed branches.
(n.) Formerly any slender coral-like animal; -- sometimes applied more particulary to bryozoan corals.
Example Sentences:
(1) Coralline hydroxyapatite (CHAP) is a porous, biocompatible bone-graft substitute manufactured by the Replamineform process.
(2) In contrast to autografts, incorporation of coralline implants was characterized by predictable osseous growth and apposition with preservation of intrinsic architecture.
(3) Radiographic film densitometry was found not to be reliably predictive of coralline implant behavior in the individual case.
(4) Coralline hydroxy-apatite blocks strengthened with a membrane made of a combination of polylactide and polyglycolic acid were inserted into bony defects created in 12 rabbit skulls.
(5) The permanent fixed partial denture is functional, and radiographic evaluation indicates the continued presence of the porous coralline hydroxyapatite implant.
(6) The systems consisted of either a combination of the bone inductive protein (osteogenin) plus type I collagen (Os + C) or the combination of osteogenin with coralline hydroxyapatite (Os + HA).
(7) It is concluded that coralline hydroxyapatite bone graft substitutes appear to offer no particular advantage over autogenous grafts in the management of diaphyseal defects, although further investigation is warranted since other factors may be responsible for the unfavorable findings in this study.
(8) Biomechanical testing was carried out on all grafts following harvest at 6 months, as well as on nonimplanted coralline hydroxyapatite and autogenous iliac cancellous bone.
(9) While normally the bone formed in coralline hydroxylapatite is secondary (lamellar), in this specimen primary (woven) bone was found.
(10) We illustrate the idea of the self-repairing model in non-articulated coralline algae.
(11) Additional treatments consisted of coralline hydroxyapatite (HA) or untreated control defects.
(12) The possibility of using coralline hydroxy-apatite in combination with polylactide and polyglcycolic acid instead of a bone graft in the skull region is examinated.
(13) Porous (coralline) hydroxylapatite appears to be an excellent otologic graft material.
(14) Forty-six nonconsecutive patients undergoing orthognathic surgery in whom blocks of coralline, porous hydroxyapatite (Interpore-200) were used in lieu of interpositional bone grafts are the subjects of this report.
(15) These results strongly support the use of coralline PBHA along with bone plate fixation to provide predictable stability in orthognathic surgery.
(16) Evolving radiographic findings reflect the biocompatible nature of these implants, which provides the potential for ingrowth of native bone with preservation of the coralline scaffold, resulting in enhanced biomechanical properties.
(17) Porous coralline and synthetic hydroxyapatite blocks reinforced with either self-reinforced polyactide or polyglycolide were implanted into 15 lumbar intervertebral disc spaces in five minipigs in order to determine whether they could provide an osteoconductive bridge for interbody fusion.
(18) This study was designed to quantitate the rate of vascularization of coralline hydroxyapatite when used in an onlay application to membranous bone in an animal model.
(19) Coralline hydroxylapatite is a highly biocompatible material which showed abundant ingrowth when in contact with host bone.
(20) In contrast, the coralline implant was consistently invaded by fibrovascular tissue, showed bone formation on its internal surfaces and had some periodontal ligament formation around it.