(anatomy) The sesamoid bone of the knee; the kneecap.
2005, Roger E. Stevenson, 20: Limbs, Roger E. Stevenson, Judith G. Hall, Human Malformations and Related Anomalies, page 920,
Since patella diameter is a feature of continuous variation, the majority of small patellas represent simply the lower extreme of normal anatomic variation.
A little dish or vase.
(mycology) An orbicular sessile apothecium, with a marginal rim distinct from the thallus.