释义 |
DictionarySeesuppressionEncyclopediaSeeSuppressionlabor suppression
suppression [sŭ-presh´un] the act of holding back or checking.1. the stopping or inhibition of something, such as a secretion, excretion, normal discharge, or other function.2. in psychiatry, conscious inhibition of an unacceptable impulse or idea as contrasted with repression, which is unconscious.3. in genetics, a second mutation occurring at a site different from the first mutation site and able to mask or suppress the phenotypic expression of the first mutation; the organism appears to be reverted but is in fact doubly mutant.4. inhibition of the erythrocytic stage of Plasmodium to prevent clinical attacks of malaria; used for prophylaxis.5. cortical inhibition of perception of objects in all or part of the visual field of one eye during binocular vision.bone marrow suppression reduction of the cell-forming functions of bone marrow, such as by a drug or because of replacement of the marrow by a disease process. Called also myelophthisis and myelosuppression.labor suppression in the nursing interventions classification, a intervention" >nursing intervention defined as controlling uterine contractions prior to 37 weeks of gestation to prevent birth" >preterm birth. See also labor.lactation suppression in the nursing interventions classification, a intervention" >nursing intervention defined as facilitating the cessation of lactation" >lactation and minimizing breast engorgement after childbirth.overdrive suppression the suppression of intrinsic cellular automaticity by a rapid outside stimulus. In cardiology this refers to the inhibitory effect of a faster pacemaker on a slower pacemaker. The faster rate causes an accumulation of intracellular sodium, stimulating the pump" >sodium-potassium pump, which hyperpolarizes the cell so that it takes longer to reach potential" >threshold potential. This phenomenon is present in healthy His-Purkinje cells but decreases with a decrease in potential" >membrane potential and loss of fast channels" >sodium channels. |