释义 |
small sciatic nerve pos·te·ri·or cu·ta·ne·ous nerve of thigh [TA] arises as a branch of the sacral plexus, conveying fibers from the ventral rami of first three sacral nerves; supplies the skin of the posterior surface of the thigh and of the popliteal region (S1 and S2 component); it gives off a perineal branch (S3 component) that passes to the lateral aspect of the scrotum or labia majora. Synonym(s): nervus cutaneus femoris posterior [TA], posterior femoral cutaneous nerve ☆ , small sciatic nervepos·te·ri·or cu·ta·ne·ous nerve of thigh (pos-tēr'ē-ŏr kyū-tā'nē-ŭs nĕrv thī) [TA] Arises as branch of sacral plexus, conveying fibers from ventral rami of first three sacral nerves; supplies skin of posterior surface of thigh and popliteal region (S1 and S2 component); gives off a perineal branch (S3 component) that passes to lateral aspect of scrotum or labium majus. Synonym(s): nervus cutaneus femoris posterior, posterior femoral cutaneous nerve, small sciatic nerve. |