HISTOCHEMICAL MAPPING AND FIBER SIZE ANALYSIS OF MIMIC MUSCLES
HISTOCHEMICAL MAPPING AND FIBER SIZE ANALYSIS OF MIMIC MUSCLES
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DOI:
10.1097/00006534-199009000-00005
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发表时间:
1990-09-01
影响因子:
3.6
通讯作者:
GRUBER, H
中科院分区:
文献类型:
--
作者:
FREILINGER, G;HAPPAK, W;GRUBER, H
Fourteen functionally relevant mimic muscles of nine human bodies were analyzed with respect to their muscle fiber sizes and their histochemical fiber type composition. In cryostat sections stained for actomyosin ATPase, type 1 and type 2 fibers were evaluated separately by means of computer-assisted image analysis. The fiber diameters varied between 20.24 and 41.45 [mu] m. According to the proportions of the fiber types, the mimic muscles could be classified into three groups:(1) phasic muscles, with 14 to 15 percent type 1 fibers,(2) intermediate muscles, with 28 to 37 percent type 1 fibers, and (3) tonic muscles, containing 41 to 67 percent type 1 fibers. It is concluded that one has to consider this diversity of mimic muscles when planning the surgical reconstruction of facial paralysis.