Structure/Morphology
The piriform recesses are shallow depressions in the laryngopharynx. They sit on both sides of the laryngeal inlet.
Key Features/Anatomical Relations
The piriform recess sits lateral to the aryepiglottic folds and medial to the thyroid cartilage and thyrohyoid membrane.
Learn more about this topic from other Elsevier products
Piriform Sinus
The femoral plane, or femoral reference plane, is the plane connecting the piriformis fossa with the midpoint of the popliteal fossa and the tendoachilles, which should incorporate the anatomic axis of the femur and be perpendicular to the coronal plane.
