posterior branch of obturator nerve

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pos·te·ri·or branch of ob·tu·ra·tor nerve

branch supplying obturator externus muscle, then passing posterior to adductor brevis, supplying it and the adductor portion of the adductor magnus muscle.
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Below the inguinal ligament, the nerve divides into anterior and posterior branches; the anterior branch controls the frontal femoral region up to the knee area, and the posterior branch controls the lateral femoral region up to the greater trochanter area.
Gross anatomy observation: The trunk of the obturator nerve passes through the obturator externus muscle about 3 cm inferiolaterally to the pubic tubercle and divides into anterior and posterior branches, both of which travel superficial (anterior branch) and deep (posterior branch) to the adductor brevis muscle.
GAN is the superficial branch of the cervical plexus from the C2 and C3 spinal nerves and is divided into anterior and posterior branches. The anterior branch runs into the parotid gland, whereas the posterior branch communicates with ABVN and the posterior auricular branch of the facial nerve [13].
Conversely, a distal ACB injection could lead to a distal spread of LA which could block the posterior branch of the obturator nerve and popliteal plexus, which contributes to the intra-articular innervation of the knee.
The cystic artery was situated behind the cystic duct, outside the Calot triangle, and had only a posterior branch that entered and vascularized the posterior wall of the gallbladder (Figure 4).
The posterior branch of the obturator nerve lies within the fascia between the adductor brevis and adductor magnus muscles (closed triangles).
There was also good flow through the posterior branch of the Inferior PDA towards the gastroduodenal arcade and the hepatic artery.
From the three veins in the single cava patch, it was decided to ligate the posterior branch in order to allow the single patch to be more mobile.
Two suture of non-absorbable silk are tied 0.5-1cm apart on the anterior division around 1cm below the internal iliac artery gives its posterior branch (Figure 1).
(5) The great auricular nerve exits the cervical plexus along the posterior margin of the sternocleidomastoid muscle, and it extends anteriorly along the lateral aspect of the sternocleidomastoid muscle and the parotid gland superiorly, where it further divides into anterior and posterior branches. The posterior branch supplies the skin over the mastoid process and lower external ear, while the anterior branch supplies the skin overlying the parotid gland and lower preauricular region.
Based on the findings of Abdel-Rahman and Hefzy, [sup][14] the ACL and PCL can be simulated using two branches: An anterior and a posterior branch. The MCL can be simulated using three branches: Anterior, deep, and oblique branches, while the LCL can be simulated using a single branch.

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