type A

Also found in: Dictionary, Thesaurus, Financial, Encyclopedia, Wikipedia.
Related to type A: type A behavior


the general or prevailing character of any particular case, such as of a disease, person, or substance.
type A a behavior pattern characterized by excessive competitiveness and aggressiveness. See type A behavior.
asthenic type a constitutional type marked by a slender body, long neck, long, flat chest and abdomen, and poor muscular development.
athletic type a constitutional type marked by broad shoulders, deep chest, flat abdomen, thick neck, and good muscular development.
blood type
2. the phenotype of an individual with respect to a blood group system.
body type (constitutional type) a constellation of traits related to body build.
phage type a subgroup of a bacterial species susceptible to a particular bacteriophage and demonstrated by phage typing. Called also lysotype and phagotype.
pyknic type a constitutional type marked by rounded body, large chest, thick shoulders, broad head, and short neck.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

type A


Type A

Of or relating to a personality or behavior pattern that is marked by tenseness, impatience, and aggressiveness and is thought to be associated with an increased risk factor for heart disease.
A person who has this personality or exhibits this behavior pattern.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

vi·ral hep·a·ti·tis

(vīrăl hepă-tītis)
Hepatitis caused by various immunologically unrelated viruses: hepatitis A virus, hepatitis B virus, hepatitis C virus, hepatitis D virus, hepatitis E virus, and hepatitis G virus.

vi·ral hep·a·ti·tis, type A

(vīrăl hepă-tītis tīp)
A viral disease with a short (15-50 days) incubation period caused by hepatitis A virus, often transmitted by fecal-oral route.

vi·ral hep·a·ti·tis, type B

(vīrăl hepă-tītis tīp)
A viral disease with a long incubation period (usually 50-160 days), caused by a hepatitis B virus, usually transmitted by injection of infected blood or blood derivatives or by use of contaminated needles, lancets, or other instruments or by sexual transmission.
Synonym(s): infectious hepatitis, short-incubation hepatitis.

vi·ral hep·a·ti·tis, type C

(vīrăl hepă-tītis tīp)
Principal cause of non-A, non-B posttransfusion hepatitis caused by an RNA virus; high percentage of patients develop chronic liver disease leading to cirrhosis.

vi·ral hep·a·ti·tis, type D

(vīrăl hepă-tītis tīp)
Acute or chronic hepatitis caused by a satellite virus, the hepatitis delta virus; chronic type appears to be more severe than other types of viral hepatitis.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
The results reveal that alpha coefficient computed for the Achievement-Oriented Attitude Scale is .96 and for Anjum Khalique Type A Scale is .94 which are quite high.
The results shown in table 3 reveal that Type A women have scored significantly higher than Type B women on Achievement-Oriented Attitude Scale (Ansari, 1979).
Type A women have higher achievement motivation as compared to Type B women.
We expected that being high SOP would lead participants to react to a problem-solving situation as Type A's had in earlier studies.
Relationships among attachment style, Type A Behavior Pattern, and perfectionism in teenage college students.
Social cues of approval: Reactions and perceptions of the Type A individual.
But while researchers feel optimistic about Type A's therapeutic potential, further studies must assess its effectiveness in these and other dystonias, the NIH panel concluded.
Except in certain cases of eye misalignment, Type A botulinum toxin provides only temporary symptomatic relief "and does not address the disturbance in the central nervous system [underlying these disorders]," Duvoisin says.
in comparison, treatment with Type A botulinum toxin costs $400 to $1,800 per visit, depending on dosage; patients usually require three or four injections a year.
When stressed by aspects of life that are out of their control, some Type A's evidence exaggerated stress reactivity and impaired calming functions.
In this sense, many physicians develop coping habits that lead to a negative emotional contagion: As their Type A behavior pattern and its destructive interpersonal sequelae fill work and home settings, their negative emotions spread, creating problems that they are then forced to deal with.
Many physicians--and many Type A's--enjoy thriving professional and personal lives 6 What distinguishes these people from those who crash and burn in response to similar stressors?