Periosteum

The hard, outer shell of bone with blood and nerve supply.

Periodontal Ligament

A ligament that is present in relation to a tooth.

Period of Gestation

The developmental age of a ferus. usually based on the presumed first day of the last normal menstrual period.

Perineurium

Layer of connective tissue in a nerve that separates axons into bundles.

Perineum

Area between the thighs laterally, coccyx and pubis anteroposteriorly.

Perimetrium

Outer coat of the uterus

Perimysium

Connective tissue that surrounds muscle fascicle.

Perichondrium

Dense, irregular connective tissue membrane around the cartilage.