WordNet

a protective covering (as for a knife or sword)
an enveloping structure or covering enclosing an animal or plant organ or part (同)case
protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior (同)overlay, overlayer
enclosed in a protective covering; sometimes used in combination; "his sheathed sword"; "the cats sheathed claws"; "a ships bottom sheathed in copper"; "copper-sheathed"
relating to or secreting synovia
viscid lubricating fluid secreted by the membrane lining joints and tendon sheaths etc. (同)synovial_fluid

PrepTutorEJDIC

(刀などの)さや / (動・植物のある部分をおおう)さや;(ケーブルの)鎧装(がいそう)など・体にぴったり合った女性の衣服
さやに納めること / おおい,被覆

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/11/26 23:09:31」(JST)

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A synovial sheath is a tubular bursa surrounds a tendon, the tendon invaginates the bursa from one side so the tendon is suspended from the bursa by mesotendon, through which the blood vessels reach the tendon, in places where the range of movement is extensive. The meso tendon disappear or remain in the form of a narrow threads = Vincula

Synovial Sheath occur where the tendon pass under ligaments and through osseofibrous tunnels, their function is to reduce friction between tendon and their surrounding structure.

They lie internal to the fibrous tendon sheaths.^[1]

An example is the common synovial sheath for the flexor tendons.

References

^ eMedicine/Stedman Medical Dictionary Lookup!

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1. 滑液検査 synovial fluid analysis
2. 成人における膝関節腫瘍のX線評価 radiologic evaluation of knee tumors in adults
3. 軟部組織肉腫の臨床所見、病理組織学的検査、診断的評価、および病期分類 clinical presentation histopathology diagnostic evaluation and staging of soft tissue sarcoma
4. 筋骨格系超音波検査：関節およびその他の構造のガイド下での注射および吸引 musculoskeletal ultrasonography guided injection and aspiration of joints and related structures
5. 転移性軟部組織肉腫の全身治療 systemic treatment of metastatic soft tissue sarcoma

English Journal

Diffusion of mepivacaine to adjacent synovial structures after intrasynovial analgesia of the digital flexor tendon sheath.

Jordana M1, Martens A1, Duchateau L2, Haspeslagh M1, Vanderperren K3, Oosterlinck M1, Pille F1.
Equine veterinary journal.Equine Vet J.2016 May;48(3):326-30. doi: 10.1111/evj.12447. Epub 2015 May 23.
REASONS FOR PERFORMING STUDY: Controversy exists about the specificity of diagnostic analgesia of the digital flexor tendon sheath (DFTS) in horses.OBJECTIVES: To evaluate the degree of diffusion of mepivacaine from the equine DFTS to adjacent synovial structures.STUDY DESIGN: Crossover experiment.M
PMID 25827158

Diagnostic use of fluorescence in situ hybridization in expert review in a phase 2 study of trabectedin monotherapy in patients with advanced, translocation-related sarcoma.

Sugita S1, Asanuma H2, Hasegawa T2.
Diagnostic pathology.Diagn Pathol.2016 Apr 12;11(1):37. doi: 10.1186/s13000-016-0486-2.
BACKGROUND: Fluorescence in situ hybridization (FISH) is one of the most powerful genetic analysis tools for pathological diagnoses. FISH can detect various genetic abnormalities including gene translocation that was specifically found in translocation-related sarcomas (TRSs). Here, we report the us
PMID 27068820

Loss of H3K27me3 Expression Is a Highly Sensitive Marker for Sporadic and Radiation-induced MPNST.

Prieto-Granada CN1, Wiesner T, Messina JL, Jungbluth AA, Chi P, Antonescu CR.
The American journal of surgical pathology.Am J Surg Pathol.2016 Apr;40(4):479-89. doi: 10.1097/PAS.0000000000000564.
Most malignant peripheral nerve sheath tumors (MPNSTs) exhibit combined inactivation of NF1, CDKN2A, and polycomb repressive complex 2 component genes (Embryonic Ectoderm Development [EED] and Suppressor of Zeste 12 [SUZ12]). Mutations in EED and SUZ12 induce loss of trimethylation at lysine 27 of h
PMID 26645727

Japanese Journal

成人弾発指に対する鍼治療の効果:—Visual analogue scaleによる検討—

井上基浩,中島美和,北條達也 [他],糸井恵,北小路博司
日本温泉気候物理医学会雑誌 76(4), 263-272, 2013
目的 : 弾発指は滑膜性・靱帯性腱鞘部（A1 pulley）での浅・深指屈筋腱、長母指屈筋腱の滑走障害が原因とされている。本研究では、障害指A1 pulley部に刺鍼し、弾発時疼痛と弾発現象の程度に対する鍼治療効果を観察した。 方法 : 弾発指15名19指を対象とし、無治療等の対照群は設定せず、全例に対し …
NAID 130003390299

重粒子線を治療に用いた頸部悪性軟部腫瘍例

小笠原徳子,百島尚樹,菊池慶介 [他],長屋朋典,村上昌雄,菱川良夫,吉岡巌
耳鼻咽喉科臨床 104(12), 899-903, 2011-12-01
NAID 10030175938

重粒子線を治療に用いた頸部悪性軟部腫瘍例

小笠原徳子,百島尚樹,菊池慶介,長屋朋典,村上昌雄,菱川良夫,吉岡巌
耳鼻咽喉科臨床 104(12), 899-903, 2011
… The differentiated diagnosis between a synovial sarcoma and a malignant peripheral nerve sheath tumor (MPNST) was difficult. …
NAID 130002141648