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Glossary

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Packed Cell Volume (PCV, Hematocrit)

A laboratory test to monitor relative number of red blood cells present in the blood. A blood sample is placed in a tiny glass tube and spun in a centrifuge. The cells are heavier than the plasma and are compacted at one end of the tube. After the tube is

Pain, chronic

persisting for a long time

Palatable

Tasty; refers to food that is readily accepted.

Palmar

The front foot pads

Palpation

To examine with the hands or fingers.

Pancreatitis

Inflammation of the pancreas, a severe and sometimes life threatening disease often associated with eating fatty foods. Symptoms include vomiting and a painful abdomen.

Panleukopenia

a disease caused by a feline parvovirus that attacks ALL rapidly dividing cells in the bone marrow (anemia and low white cell counts) and gastrointestinal system (causing bloody diarrhea).

Pannus

A chronic condition of the eye in which blood vessels grow across the cornea (the clear surface of the eye). The cornea looks hazy and sometimes reddened; it may eventually take on a dark pigment. This condition is also called chronic superficial keratiti

Panosteitis, pano

inflammation of the bone, particularly the long bones in growing dogs. Causes pain and limping.

Papule

A small solid elevation of the skin. Larger lesions are called nodules or tumors and if flat, a plaque.

Parainfluenza

A respiratory virus and an associated agent of kennel cough, either alone or in concert with an adenovirus and the bacteria Bordetella brochiseptica

Paralysis

Loss of motor function (movement) in a certain part of the body. Paralysis may be flaccid, in which muscles are weak and have little or no tone; or spastic, in which the muscles are tight.

Parasiticide

Medication formulated to kill parasites.

Parasitism

Denotes organisms which survive and persist on or within another living organism. The parasite usually does not harm the animal. The most successful parasites achieve a balance whereby both the parasite and host animal survive. Among the parasites found o

Parenterally

A term used to describe the administration of a drug by means other than by mouth.

Paresis

Slight or incomplete paralysis.

Parturition

The act of giving birth.

Parvovirus

A highly contagious virus attacks the intestinal tract and causes severe vomiting and diarrhea.

Patellar luxation

Dislocation of the knee cap, causing mild to severe, continuous or intermittent pain.

Patent ductus arteriosus (PDA)

The normal opening between the aorta and pulmonary artery, which allows blood to bypass the unoxygenated lung in utero, fails to close after birth.

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