Plethora

An excessive fullness of the blood-vessels.

Pleura

The serous membrane which lines the cavity of the thorax or chest.

Pleuritis, or Pleurisy

Inflammation of the pleura.

Pleurodynia

Pain or stitch in the side.

Pneumonia, Pneumonitis, peripneumonia

Inflammation of the parenchyma of the lung.

Polypus

A tumor most frequently met with in the nose, uterus or vagina.

Porrigo Scutulata

Ringworm of the scalp.

Porrigo Cervalis

Milk-crust; milk-scab.

Posterior Nares

The posterior nostrils which open into the fauces.

Precordial Region

The forepart of the chest.

Primae Visae.. The stomach, and intestinal tube. (The first passages)

Prognosis

The faculty of predicting what will take place in diseases.

Prolapsus Ani

Protrusion of the intestines.

Prophylaxis, plur

Prophylaxes. Means or remedies used as preservatives against disease.

Prosopalgia

Face-ache.

Prurigo Itching of the skin.

Psoas Muscles The names of two muscles situate in the loins.

Psoitis

Inflammation of the psoas muscle.

Presbyopia

Obscure sight.

Ptyalism

Salivation.

Pubis

The pubic bone.

Puerperal Fever

Appertaining to childbed.

Puriform

Pus-like, resembling pus.

Purulent

Of the character of pus.

Pus

Matter. A whitish, bland, cream-like fluid, found in abscesses, or on the surface of sores.

Pustule

An elevation of the scarf-skin, containing pus or lymph, and having an inflamed base.

Pyrosis

Heartburn, Waterbrash.

Quinsy

Inflammatory sore throat Quotidian. Intermittent, about twenty-four hours intervening between the attacks.

Rabies

Madness arising from the bite of a rabid animal, generally applied to the disease showing itself in the brute creation.

Rachitis

The rickets.

Rale, Rattles

Sound in the chest, etc. on auscultation, etc.

Ranula

A tumor under the tongue.

Raucitas, Hoarseness.

Rectum

The last of the large intestines, terminating in the anus.

Remittent

A term applied to fevers with marked remissions, and generally subsequent exacerbation. The yellow fever of tropical countries.

Repercussed

Driven in.

Resolution

A termination of inflammatory affections without abscess, mortification, etc. The term is also applied to the dispersion of swellings, indurations, Etc.

Rigors

Coldness, attended more or less by shivering.

Rose

A term applied to erysipelas, from its color.

Rubeola

Measles.

Sacrum

The bone which forms the base of the vertebral column.