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Intramuscular distribution of the phrenic nerve in human diaphragm as shown by Sihler staining
Author(s) -
AN Xiaochun,
Yue Bin,
Lee JeHun,
Lee MiSun,
Lin Chenghe,
Han SeungHo
Publication year - 2012
Publication title -
muscle and nerve
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.025
H-Index - 145
eISSN - 1097-4598
pISSN - 0148-639X
DOI - 10.1002/mus.22141
Subject(s) - diaphragm (acoustics) , phrenic nerve , medicine , diaphragm muscle , anatomy , respiratory system , physics , acoustics , loudspeaker
Intramuscular innervation of the human diaphragm has not been well described. The goal of this study was to elucidate the detailed intramuscular distribution of the phrenic nerve in the human diaphragm. Methods: Fifteen human diaphragms were visualized using modified Sihler staining, and the detailed intramuscular phrenic nerve distribution was photographed and recorded. Results: Three types of primary phrenic nerve branches were noted. Each type of primary branch innervated a confined muscular subvolume of the diaphragm, and the intramuscular branches in each subvolume anastomosed largely with one another and formed a characteristic “net” of nerve branches. A few small nerve filaments were seen entering the peripheral diaphragm. The directions and locations of nerve branches innervating the hiatal diaphragm were not symmetrical between sides. Conclusion: These findings may offer useful information for anatomists, physiologists, and clinicians. Muscle Nerve, 2012