Piriform, sometimes ''pyriform'', means pear-shaped (from
Latin
Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...
''pirum'' "pear" and ''forma'' "shape").
It may also refer to:
Going pear-shaped
* Going wrong or
going pear-shaped
Anatomy
*
Piriform aperture
The piriform aperture, pyriform aperture, or anterior nasal aperture, is a pear-shaped opening in the human skull.
Its long axis is vertical, and narrow end upward; in the recent state it is much contracted by the lateral nasal cartilage and the g ...
, 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 piriformis muscle compresses the sciatic nerve
*
Piriform sinus
On either side of the laryngeal orifice in humans is a recess, termed the pyriform sinus (also piriform recess, piriform sinus, piriform fossa, or smuggler's fossa), which is bounded medially by the aryepiglottic fold, laterally by the thyroid car ...
, piriform recess or piriform fossa, synonyms referring to one of the four sites of the hypopharynx
* the pear
female body shape
Other uses
*
Piriform (company), a software company
* Piriform, in
hydrostatic equilibrium
In fluid mechanics, hydrostatic equilibrium (hydrostatic balance, hydrostasy) is the condition of a fluid or plastic solid at rest, which occurs when external forces, such as gravity, are balanced by a pressure-gradient force. In the planetary ...
* Pyriform, a
teapot shape introduced in the 18th century
{{disambiguation