What's the difference between sheath and tenosynovitis?

Sheath


Definition:

  • (n.) A case for the reception of a sword, hunting knife, or other long and slender instrument; a scabbard.
  • (n.) Any sheathlike covering, organ, or part.
  • (n.) The base of a leaf when sheathing or investing a stem or branch, as in grasses.
  • (n.) One of the elytra of an insect.

Example Sentences:

  • (1) The oral nerve endings of the palate, the buccal mucosa and the periodontal ligament of the cat canine were characterized by the presence of a cellular envelope which is the final form of the Henle sheath.
  • (2) Electron microscopic observations of the masseter nerve in the aged cats revealed a disruption of the myelin sheaths and a pronounced increase in collagen fibers in the endoneurium and perineurium.
  • (3) The authors propose three regular procedures with which they are experienced: repair with a large retromuscular nonabsorbable synthetic tulle prosthesis for extensive epigastric eventrations, fillup aponeuroplasty using the sheath of the rectus abdominis associated with a premuscular patch in case of diastasis or of multiple superimposed orifices and suture associated with a small retromuscular auxiliary patch to treat small incisional hernias.
  • (4) Extraction tools included flexible, telescoping sheaths advanced over the lead to dilate scar tissue and apply countertraction, deflection catheters, and wire basket snares.
  • (5) Thirteen soft tissue sarcomas with ultrastructural evidence of nerve sheath differentiation were investigated by immunohistochemistry.
  • (6) This cell population gives rise initially to oligodendrocytes and then to type-2 astrocytes, both of which apparently collaborate in sheathing axons in the CNS.
  • (7) Rabbit antirat T-cell serum (ALS(T)) reacted selectively with the surfaces of lymphocytes in the paracortex of lymph node and in the periarteriolar sheath of spleen, and with thymocytes.
  • (8) After properly fixing the vas deferens with a ring clamp, the surgeon pierces the scrotal skin, vas sheath, and vas deferens in the midline with a curved dissecting clamp held at a 45 degree angle from horizontal.
  • (9) We immunohistochemically examined the expression of Schwann cell-related markers, nerve growth factor (NGF) receptor, S-100 alpha- and beta-proteins, glial fibrillary acidic protein (GFAP), and galactocerebroside (gal C) in 5 malignant schwannomas, 21 benign peripheral nerve sheath tumors, and 4 apparently normal sural nerves.
  • (10) The transversalis fascia of the floor of the femoral canal turns down to form the medial wall of the venous compartment of the femoral sheath, and has the support of the curved edge of the lacunar ligament which effectively bars the femoral canal from entering the thigh.
  • (11) Unique domains of the retinal interphotoreceptor matrix (IPM), termed cone matrix sheaths, are composed largely of chondroitin 6-sulfate proteoglycan in most higher mammalian species.
  • (12) 2ME treatment caused partial solubilization of the sheaths (45% as determined by amino acid analysis), which could be further improved by combining 2ME with SDS.
  • (13) The 6.8F ultrasound balloon catheter was placed percutaneously in the right femoral artery through a 9F sheath.
  • (14) The isolated outer sheath was observed as a triple-layered, closed vesicle carrying a polygonal array by electron microscopy.
  • (15) These data show that the 515 nm absorbance change is not limited to small closed vesicles like grana, but in the presence of suitable electron donors single lamellae of bundle sheath chloroplasts can also be active.
  • (16) An outer sheath was isolated from Treponema phagedenis biotype Reiter by our previously developed method (Masuda, K., and Kawata, T. 1982.
  • (17) Seven tumours were predominantly of blue and spindle-cell, fascicular type, resembling malignant peripheral nerve sheath tumour and at times monophasic synovial sarcoma.
  • (18) Several additional groups of muscle cells of more limited mass and spatial distribution include the vulval muscles of hermaphrodites, the male sex muscles, the anal-intestinal muscles, and the gonadal sheath of the hermaphrodite.
  • (19) The notochord, which is composed of a stack of flat cells surrounded by a connective tissue sheath, elongates dramatically and begins straightening between stages 21 and 25.
  • (20) Under fluoroscopic control a lower polar calix was punctured with 18 G sheathed needle; a guide wire was introduced through the sheet.

Tenosynovitis


Definition:

  • (n.) Inflammation of the synovial sheath enveloping a tendon.

Example Sentences:

  • (1) The etiology, diagnosis and surgical treatment of stenosing tenosynovitis of the peroneal tendons is presented.
  • (2) Volar subluxation of the tendons of the first dorsal compartment of the wrist occurred in two patients after surgery for treatment of de Quervain's stenosing tenosynovitis.
  • (3) A rare case of aseptic tenosynovitis from oxytocin injection in the vicinity of a tendon causing spontaneous rupture of the extensor digitorum communis tendon is reported.
  • (4) Infectious tenosynovitis was diagnosed in three separate outbreaks in a commercial White Leghorn hens, though not previously reported in adult White Leghorns (3).
  • (5) Breeder vaccination against tenosynovitis resulted in immunity of the progeny against oral infection at 1 day old, whereas progeny from unvaccinated breeders were susceptible to such a challenge.
  • (6) A fluid collection inside the tendon sheath was detected in 5 cases of tenosynovitis, without false-positive results.
  • (7) It is concluded that tenosynovitis is uncommon in patients undergoing surgery for treatment of idiopathic carpal tunnel syndrome.
  • (8) We present such a case of the injection of Depo-Medrone with Lidocaine (Upjohn) into the right radial artery during attempted treatment of stenosing tenosynovitis of the right thumb.
  • (9) The diagnostic criteria of median nerve compression (carpal tunnel syndrome) include morphological and signal changes in the nerve, abnormal palmar convexity of the flexor retinaculum and signs of tenosynovitis of the intracarpal flexor tendons.
  • (10) However, HL-A7 was found more frequently in patients with juvenile rheumatoid arthritis demonstrating tenosynovitis than in the population with juvenile rheumatoid arthritis as a whole.
  • (11) There was no evidence that practice of the sport predisposed to the early onset of chronic tenosynovitis or osteoarthritis.
  • (12) In extensor cystic tenosynovitis, the echographic picture was quite different: the anechoic cavity was longitudinal in shape, following the tendon sheath, and the communicating duct was absent.
  • (13) The medical records of 25 horses with septic tenosynovitis treated over 7 years (1983 to 1989) were reviewed to determine clinical features of the disease and response to treatment.
  • (14) Gonococcal infection must be considered in the differential diagnosis of migratory polyarthralgia, tenosynovitis, oligoarthritis, fever or unusual skin lesions.
  • (15) As the management of the H. influenzae tenosynovitis would differ from that due to other causes, the addition of H. influenzae type b to a differential of tenosynovitis should be considered.
  • (16) In nine birds tenosynovitis, characterised by a marked inflammatory response, was identified.
  • (17) We report a patient with sarcoidosis who presented with a large subcutaneous plaque of the palm and flexor tenosynovitis of the middle finger.
  • (18) Clinical examination of 15 patients with the superior oblique tendon sheath syndrome showed that 12 of them had some evidence of stenosing tenosynovitis.
  • (19) This is the first report of a patient with a history of painless chronic flexor tenosynovitis caused by Actinobacillus actinomycetemcomitans.
  • (20) De Quervain's tenosynovitis was the only diagnosis for two thirds of the patients.

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