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・ Accessory breast
・ Accessory cephalic vein
・ Accessory cloud
・ Accessory cuneate nucleus
・ Accessory drive
・ Accessory facial nucleus
・ Accessory fruit
・ Accessory hemiazygos vein
・ Accessory meningeal artery
・ Accessory muscle
・ Accessory nail of the fifth toe
・ Accessory nasal cartilages
・ Accessory navicular bone
・ Accessory nerve
・ Accessory nerve disorder
Accessory obturator nerve
・ Accessory olfactory cortical areas
・ Accessory pancreas
・ Accessory pancreatic duct
・ Accessory pathway
・ Accessory pigment
・ Accessory soleus muscle
・ Accessory spleen
・ Accessory Transit Company
・ Accessory vein
・ Accessory visual structures
・ AccessPay
・ AccesSurf
・ Accessus
・ Accettura


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Accessory obturator nerve : ウィキペディア英語版
Accessory obturator nerve

In human anatomy, the accessory obturator nerve is an accessory nerve in the lumbar region present in about 29% of cases.
It is of small size, and arises from the ventral divisions of the third and fourth lumbar nerves. Recent evidence support that this nerve arises from Dorsal divisions.
It descends along the medial border of the psoas major, crosses the superior ramus of the pubis, and passes under the pectineus, where it divides into numerous branches.
One of these supplies the pectineus, penetrating its deep surface, another is distributed to the hip-joint; while a third communicates with the anterior branch of the obturator nerve.
Occasionally the accessory obturator nerve is very small and is lost in the capsule of the hip-joint.
When it is absent, the hip-joint receives two branches from the obturator nerve.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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