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Many terms frequently used in science and medicine are derived from latin words. By combining the root words with, prefixes and suffixes many of the meanings of the terms can be deciphered.

Use the following resources to better understand medical terms:

Medical Roots or Stems
Prefixes commonly used in medical terms
Suffixes commonly used in medical terms

Complete Glossary of Medical Root Words

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palliative treatment therapy that relieves symptons, such as pain but does not aleter the disease
palpitation sensation of rapid heartbeats
palsy paralysis of a muscle or group of muscles
pancreas gland that lies behind the stomach, manufacturers insulin and enzymes
papillary stenosis condition in which openings of the bile ducts and pancreatic ducts narrow
parietal cells cells in stomach wall that make hydrochloric acid
parosmia disease or perversion of the sense of smell
partial colectomy the removal of part of the large intestine

physician who identifies diseases by studying cells and tissues under a microscope

pepsin enzyme made in the stomach that breaks down proteins
peptic related to the stomach
perfusion flow
perianal around the anus
pericardium the membrane that surrounds the heart.
perilymph fistula leakage of inner ear fluid to the middle ear that occurs without apparent cause or associated with trauma
perineal related to the perineum
periostitis inflammatory condition of the covering of the bones
pharynx space behind the mouth that serves as a passage for food into the esophagus
phonology study of speech sounds
photobia sensitive to light
physiatrist the physician who specializes in physical medicine and rehabilitation
pituitary gland gland at the base of the brain that secretes hormones and regulates and controls other hormone secreting glands
placental abruption premature detachment of the placenta from the wall of the uterus
plantar warts warts that occur on the sole of the foot and looks like calluses often the result of a virus or an infection
platelets cells found in the blood
pneumonectomy removal of an entire lung
polyp a growth that projects fromt he lining of mucous membrane
predisposition tendencey to develop a certain disease
presbycusis loss of hearing gradually occurs because of inner or middle ear changes
proctectomy operation to remove the rectum
proctocolitis inflammation fo the colon and rectum
prognosis prediction of the course of the disease
pulmonary pertains to the lungs and respiratory system
pyloric sphincter muscle between the stomach and the small intestine
pylorus opening from the stomach into the top of the small intestine




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