What's the difference between fibrous and nemaline?
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.
Nemaline
Definition:
(a.) Having the form of threads; fibrous.
Example Sentences:
(1) To test whether congenital nemaline myopathy (NM) might have a neurogenic basis, we evaluated the number and frequency distribution of L5 motoneuron cell bodies and their myelinated ventral root (VSR) axons in a typical case.
(2) A boy who had experienced generalized muscle weakness and hypotonia since early infancy was diagnosed as having nemaline myopathy on the basis of muscle biopsy at 3 years of age.
(3) Muscle biopsy appearances were unique but showed some similarities to both nemaline myopathy and myotonic dystrophy.
(4) In nemaline myopathy and some cardiac muscles, the Z-band becomes greatly enlarged and contains multiple layers of a zigzag structure similar to that seen in normal muscle.
(5) The clinical course and autopsy findings in a patient with fatal neonatal nemaline myopathy are described.
(6) The marked heterogeneity of nemaline myopathy is again shown in the present series of 13 patients.
(7) A biopsied specimen, obtained from the vastus lateralis muscle, showed abundant nemaline bodies from pathological study, and electron dense particles on Z-line by electron-microscopic examination.
(8) Muscle biopsies from both cases showed a selective atrophy of Type I fibers without any structural change except for very few nemaline bodies.
(9) A muscle biopsy specimen showed nemaline rods, increased variation in fiber size, apparent loss of Type IIb fiber differentiation, and a "moth-eaten" pattern of the intermyofibrillar network.
(10) Staining techniques for demonstration of various stored materials include: 1) toluidine blue at pH 2.8 for acid mucopolysaccharide in skeletal muscle fibers in Pompe's glycogenesis 2, 2) one-step trichrome stain for nemaline myopathy and for abnormal mitochondria in X-linked infantile cardiomyopathy, 3) periodic acid-methenamine silver stain for glycolipid-containing lysosomes in I-cell disease (mucolipidosis 2), 4) Sudan black B stain for lipid in skeletal muscle fibers in Reye's syndrome, infantile lactic acidosis, Leigh's infantile subacute necrotizing encephalopathy and Jansky-Bielschowsky late infantile ceroid lipofuscinosis, 5) iron stain for iron in cardiac and skeletal muscle fibers in thalassemia with advanced hemosiderosis, and 6) autofluorescence for "ceroid" in skeletal muscle fibers in Jansky-Bielschowsky disease.
(11) Histochemical and histological study of muscle indicated that 11 cases were of myogenic origin, including congenital muscular dystrophy in 10 cases from six families and nemaline rod myopathy in one.
(12) The third case of adult-onset rod disease (nemaline myopathy) with abundant myofibrillar as well as intranuclear rods is described.
(13) A boy with onset features common for a moderate form of congenital nemaline myopathy, after some years developed scapulo-humeral syndrome.
(14) The myopathies consisted of central core disease, nemalin myopathy, congenital fiber type disproportion, mitochondrial myopathy, congenital muscular dystrophy, and myositis.
(15) The histological and histochemical findings in the respiratory muscles of a patient with severe neonatal nemaline myopathy are described.
(16) Congenital nemaline myopathy (CNM) is generally classified as a non-progressive or slowly progressive neuromuscular disease.
(17) The possibility exists that this represents a severe and rapidly fatal form of nemaline myopathy that should be included in the differential diagnosis of infantile hypotonias.
(18) In the Nemaline myopathy the same genetic defect can act in muscular fibres and on dynain arms (cytoskeleton).
(19) The only relevant change found in centronuclear myopathy and to a lesser extent in nemaline myopathy was an unusual smallness and simplication of motor endings, suggesting delayed or impaired maturation.
(20) Nemaline myopathy shows certain well-defined clinical characteristics and rodlike structures derived from Z-band protein accumulate within the muscle fibers.