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・ Uppidamangalam
・ Uppies and Downies
・ Uppiliappan Temple
・ Uppiliapuram
・ Uppiliyapuram (State Assembly Constituency)
・ Uppiliyapuram block
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・ Uppingham
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・ Uppingham railway station
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・ Upper Truckee River
Upper trunk
・ Upper Tulpehocken Township, Berks County, Pennsylvania
・ Upper Turkeyfoot Township, Somerset County, Pennsylvania
・ Upper Twin Falls
・ Upper Twin Falls Bridge
・ Upper Twin Island
・ Upper Two Medicine Lake
・ Upper Tyndrum railway station
・ Upper Tyrone
・ Upper Tyrone Township, Fayette County, Pennsylvania
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・ Upper Uwchlan Township, Chester County, Pennsylvania
・ Upper Vaal Water Management Area
・ Upper Vaitarana Dam


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Upper trunk : ウィキペディア英語版
Upper trunk

The upper trunk (or superior trunk) is a trunk of the brachial plexus which derives from the C5 and C6 roots.
Damage to the upper trunk causes:
Arm hangs by side,
Elbow cannot flex,
Arm medially rotated,
Forearm pronated,
‘waiter’s tip’,
Loss of sensation over deltoid (C5) and lateral upper limb (C6).
The suprascapular nerve (C5,C6) arises from the upper trunk of the brachial plexus beneath the fascial floor of the posterior triangle, before it passes beneath the transverse scapular ligament and round the lateral border of the scapular spine.
The musculocutaneous and median nerves derive largely from this trunk.
==Additional images==

File:Slide1cord.JPG|Brachial plexus.Deep dissection.
File:Slide1ecc.JPG|Brachial plexus.Deep dissection.Anterolateral view


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Upper trunk」の詳細全文を読む



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