popliteal space


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pop·lit·e·al fos·sa

[TA]
the diamond-shaped space posterior to the knee joint bounded superficially by the diverging biceps femoris and semimembranosus muscles above and inferiorly by the two heads of the gastrocnemius muscle; deeply, the fossa is bound superiorly by the diverging supracondylar lines of the femur and the soleal line of the tibia inferiorly. Contents: tibial nerve, popliteal artery, vein, fat.

popliteal space

The space behind the knee joint, containing the popliteal artery and vein and small sciatic and popliteal nerves.
See also: space