subpopliteal recess

recess /re·cess/ (re´ses) a small empty space, hollow, or cavity.

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epitympanic recess  attic or epitympanum; the upper part of the tympanic cavity, above the level of the tympanic membrane, containing part of the incus and malleus.

infundibuliform recess  pharyngeal r.

laryngopharyngeal recess  piriform r.

pharyngeal recess  a wide, slitlike lateral extension in the wall of the nasopharynx, cranial and dorsal to the pharyngeal orifice of the auditory tube.

piriform recess  a pear-shaped fossa in the wall of the laryngeal pharynx.

pleural recesses  the spaces where the different portions of the pleura join at an angle and which are never completely filled by lung tissue.

recess of Rosenmüller  pharyngeal r.

sphenoethmoidal recess  the most superior and posterior part of the nasal cavity, above the superior nasal concha, into which the sphenoidal sinus opens.

subpopliteal recess  a prolongation of the synovial tendon sheath of the popliteus muscle outside the knee joint into the popliteal space.

superior recess of tympanic membrane  Prussak's pouch.

utricular recess  utricle (2).

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subpopliteal recess,

the smaller of two expansions in the synovial membrane of the knee that lies between the lateral meniscus and the tendon of the popliteus muscle and provides a low-friction surface for the movement of tendons associated with the joint. The larger expansion is the suprapatellar bursa.