What's the difference between fibrous and perichondrium?
Fibrous
Definition:
(a.) Containing, or consisting of, fibers; as, the fibrous coat of the cocoanut; the fibrous roots of grasses.
Example Sentences:
(1) These immunocytochemical studies clearly demonstrated that cells encountered within the fibrous intimal thickening in the vein graft were inevitably smooth muscle cell in origin.
(2) The lesion (10.6 X 9.8 mm) was a well-defined ellipsoid granuloma due to a foreign body with a central zone of necrosis surrounded entirely by a fibrous wall.
(3) The fibrous matrix and cartilage formed within the nonunion site transformed to osteoid and bone with increased vascularity.
(4) Aside from these characteristic findings of HCC, it was important to reveal the following features for the diagnosis of well differentiated type of small HCC: variable thickening or distortion of trabecular structure in association with nuclear crowding, acinar formation, selective cytoplasmic accumulation of Mallory bodies, nuclear abnormalities consisting of thickening of nucleolus, hepatic cords in close contact with bile ducts or blood vessels, and hepatocytes growing in a fibrous environment.
(5) Fibroblasts and myofibroblasts were the cells seen in the fibrous component.
(6) In the area of the porta hepatis, there were many epithelial luminal structures in fibrous tissue with inflammatory infiltrates.
(7) Thus, multiparae had very thick border zones composed predominantly of large nodules and, additionally, of vacuolated cells and fibrous tissue.
(8) Physiotherapy for 4 to 12 weeks produced improvement, but in four cases early operation for excision of fibrous tissue and lengthening of the triceps was necessary to restore adequate flexion.
(9) A primary inflammatory malignant fibrous histiocytoma of the kidney is reported.
(10) The alveolar stability requires particular properties of both the fibrous skeleton and the alveolar surfactant film.
(11) In castrates, the prostatic stroma became thickened, with a large increase in fibrous material between and surrounding each acinus, although smooth muscle cells retained their normal cytology.
(12) At the same time optical and mechanical systems of the Soviet-made sigmoidoscope, model CBO-1, an apparatus equipped with fibrous optical elements for transmission of ligh and image, now in batch production, are described.
(13) In the remaining patients congenital and acquired osseous alterations, supernumerary scalene muscle, congenital fibrous bands were the etiologic factors.
(14) The use of SDS-polyacrylamide gel electrophoresis of the cyanogen bromide derived peptides from fibrous cartilage collagens enabled to calculate type I to type II collagen ratio in this tissue.
(15) The three different layers of this tissue are: the outer fibrous layer, the central part called proliferation zone and the inner part towards the underlying rib called transition zone.
(16) The latter may primarily be the case in fibrous astrocytes, which were stained in reactive and pathologic conditions.
(17) Other problematic diagnoses were cancer of the head and neck and malignant fibrous histiocytoma.
(18) Six were benign, 11 malignant fibrous, and 3 pure malignant histiocytomas.
(19) Two cases of malignant intracranial fibrous histiocytoma are presented.
(20) The later reaction was characterized by the formation of fibrous tissue without inflammatory cell infiltration.
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.