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Pericardium: Tissue around the heart.

Periosteum: Tissue around a bone.

Peritoneum: Layer around the belly organs.

Pericranium: Tissue around the skull.

Periodontal: Around the teeth.

Perineum: Area between the private parts and anus.

Perilymph: Fluid around the ear’s inner part.

Perimysium: Layer around muscle bundles.

Perineurium: Layer around nerve fibers.

Perimetrium: Outer layer of the uterus.

Periangitis: Swelling around blood vessels.

Pericolic: Around the large intestine.

Perihepatic: Around the liver.

Perisplenic: Around the spleen.

Pericarditis: Swelling around the heart.

Periradicular: Around the root (like of a tooth).

Perinatal: Time around birth.

Periappendicitis: Swelling around the appendix.

Periorbital: Around the eye.

Perigastric: Around the stomach.

Periarthritis: Swelling around a joint.

Pericystic: Around the bladder.

Peribronchial: Around lung airways.

Perivascular: Around blood vessels.

Perichondrium: Tissue around cartilage.