Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «P»:
Parkinson disease gene
Parkinson disease gene: A gene involved in the causation of Parkinson disease. There are a number of different autosomal dominant and recessive forms of Parkinson disease.
They are called PARK1, PARK2, and so on:
PARK1 is an autosomal dominant trait and is due to mutation in the alpha-synuclein ge...
Parkinson disease genetics
Parkinson disease genetics: See: Parkinson disease gene....
Parkinson's disease: See: Parkinson disease....
Parkinson, James: (1755-1824) English physician and paleontologist who gave a classic account in 1817 of a chronic, slowly progressive disease of the nervous system characterized by a combination of tremor, rigidity, and stooped posture. Parkinson called it the shaking palsy. It is now known as Par...
1. Parkinson disease.
2. A syndrome similar to Parkinson disease, for example, as a side effect of an antipsychotic drug....
Paronychia: Inflammation of the folds of tissue surrounding the nail due to infection. The infection may be bacterial (most commonly, staph or strep) or to fungal.
The term "paronychia" is compounded from "para-", next to + the Greek "onyx", nail = next to the nail. Paronychia is synonymous with pe...
Parotid gland: The largest of the three major salivary glands, it
is located in front and below the ear and behind the jaw bone. The other two glands are
the submandibular (submaxillary) and sublingual. ...
Parotids: Salivary glands situated in front of the ears. ...
Parotitis: Inflammation of the parotid glands. A classic feature
of mumps. ...
Paroxysm: In medicine, a paroxysm is a violent attack. It may be due to the sudden occurrence of symptoms or the acute exacerbation (the abrupt worsening) of preexisting symptoms.
You may have "a paroxysm of coughing" as opposed, for example, to "a lingering cough."
The word "paroxysm" comes from...
Paroxysmal atrial tachycardia
Paroxysmal atrial tachycardia: Abbreviated PAT. Bouts of rapid, regular heart beating that originate in the upper chamber (atrium) of the heart due to abnormalities in the atrioventricular (AV) node that lead to rapid firing of electrical impulses from the atrium that bypass the AV node. PAT tends t...
Paroxysmal lacrimation: See: Crocodile tears syndrome....
Paroxysmal sleep: A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Also known as narcolepsy.
The disorder is often associated with cataplexy (a sudden loss of muscle tone and paralysis of voluntary muscles associated with a strong emotion), sleep paralysis (...
Parrot fever (psittacosis)
Parrot fever (psittacosis): An infectious disease due
to a bacteria (Chlamydia psittaci) contracted from psittacine birds,
especially caged birds like parrots, parakeets, and lovebirds and
also in turkey processing
The bacteria enter the human body by inhalation of air that
Parry's disease: Toxic multinodular goiter. Named
for the English physician Caleb Hillier Parry (1755-1822). also called Plummer's