| FPM | filter paper microscopic [test]; full passive movements |
|---|---|
| PA | panic attack; pantothenic acid; paralysis agitans; paranoia; passive aggressive; pathology; patient'... |
| PAP | pancreatitis-associated protein; Papanicolaou [test]; papaverine; passive-aggressive personality; pa... |
| PAR | participating provider; passive avoidance reaction; perennial allergic rhinitis; photosynthetically ... |
| pass | passive |
| indirect agglutination | Agglutination of particles that have been coated with soluble antigen, by antiserum specific for the adsorbed antigen. Synonym: indirect agglutination. (05 Mar 2000) |
|---|---|
| false agglutination | 1. Agglomeration of particles in solution which does not involve antigen-antibody combination. Synonym: false agglutination. Synonym: rouleaux formation. (05 Mar 2000) |
| latex agglutination | Also known as latex particle agglutination, for detection of antibodies is identical to haemagglutination in principle, but the substitution of smaller, antigen-coated latex particles for erythrocytes results in improved sensitivity and reagent longevity. Alternatively, antibodies can be absorbed to the latex particles (under appropriate ionic and pH conditions) by binding to the Fc region of antibodies, leaving the Fab region free to interact with antigens present in the applied specimens. This phenomenon has made latex agglutination a popular technique for detecting antigens as well. (05 Mar 2000) |
| latex agglutination test | A passive agglutination test in which antigen is adsorbed onto latex particles which then clump in the presence of antibody specific for the adsorbed antigen. Synonym: latex fixation test. (05 Mar 2000) |
| artificial passive immunity | See: acquired immunity. (05 Mar 2000) |
| passive | Neither spontaneous nor active, not produced by active efforts. Origin: L. Passivus (18 Nov 1997) |
| passive-aggressive behaviour | Apparently compliant behaviour, with intrinsic obstructive or stubborn qualities, to cover deeply felt aggressive feelings that cannot be more directly expressed. (05 Mar 2000) |
| passive-aggressive personality | A personality disorder in which aggressive feelings are manifested in passive ways, especially through mild obstructionism and stubbornness. (05 Mar 2000) |
| passive-aggressive personality disorder | A personality disorder characterised by an indirect resistance to demands for adequate social and occupational performance; anger and opposition to authority and the expectations of others that is expressed covertly by obstructionism, procrastination, stubbornness, dawdling, forgetfulness, and intentional inefficiency. (12 Dec 1998) |
| passive anaphylaxis | A reaction resulting from inoculation of antigen in an animal previously inoculated intravenously with specific antiserum from another animal, a latent period being required between the two inoculations. Synonym: antiserum anaphylaxis. (05 Mar 2000) |
| passive atelectasis | The pulmonary collapse that occurs due to a space-occupying intrathoracic process such as pneumothorax or hydrothorax. (05 Mar 2000) |
| passive clot | A clot formed in an aneurysmal sac consequent to the cessation or slowing of circulation through the aneurysm. (05 Mar 2000) |
| passive congestion | Congestion caused by obstruction or slowing of the venous drainage, resulting in partial stagnation of blood in the capillaries and venules. (05 Mar 2000) |
| passive cutaneous anaphylaxis | An evanescent cutaneous reaction occurring when antibody is injected into a local area on the skin and antigen is subsequently injected intravenously along with a dye. The dye makes the rapidly occurring capillary dilatation and increased vascular permeability readily visible by leakage into the reaction site. Pca is a sensitive reaction for detecting very small quantities of antibodies and is also a method for studying the mechanisms of immediate hypersensitivity. (12 Dec 1998) |
| passive cutaneous anaphylaxis test | An animal is injected intradermally with antibody (usually IgE) and subsequently challenged intravenously with a mixture of antigen and Evans blue dye 24-48 hours later. A dark blue area indicates a positive reaction due to the leakage of the dye at the site of antigen-antibody reactions. (05 Mar 2000) |