•
Piriform aperture, more commonly known as anterior nasal aperture •
Piriform cortex, a region in the brain •
Piriformis muscle, a gluteal muscle •
Piriformis syndrome, a neuromuscular disorder in which the piriformis muscle compresses the sciatic nerve •
Piriform sinus, piriform recess or piriform fossa, synonyms referring to one of the four sites of the hypopharynx • The (notionally) pear-like
female body shape (gynoid shape) • Pear-shaped obesity (adiposity highest on hips and thighs), in contrast with apple-shaped obesity (central adiposity,
abdominal obesity) == Other uses ==