barrier methods


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barrier

 [bar´e-er]
1. an obstruction.
2. a partition between two fluid compartments in the body.
3. a covering used to prevent contact with body fluids.
alveolar-capillary barrier (alveolocapillary barrier) see under membrane.
blood-air barrier alveolocapillary membrane.
blood-aqueous barrier the physiologic mechanism that prevents exchange of materials between the chambers of the eye and the blood.
blood-brain barrier see blood-brain barrier.
blood-gas barrier alveolocapillary membrane.
blood-testis barrier a barrier separating the blood from the seminiferous tubules, consisting of special junctional complexes between adjacent Sertoli cells near the base of the seminiferous epithelium.
barrier methods contraceptive methods such as condoms and diaphragms in which a plastic or rubber barrier blocks passage of spermatozoa through the vagina or cervix. See discussion under contraception.
placental barrier the tissue layers of the placenta which regulate the exchange of substances between the fetal and maternal circulation.

barrier methods

contraceptive methods, such as condoms and diaphragms, in which a plastic or rubber barrier blocks passage of spermatozoa through the vagina or cervix. See also contraception.
References in periodicals archive ?
Simple measures such as educating women about the mode of spread, making them aware of the symptoms of the condition and promoting the use of barrier methods of contraception would be effective as evidenced by the significant association between these factors and outcome of RTI/STI in this study.
The most commonly used modern method in developing countries in 2012 was sterilization (38%), followed by IUDs (28%), oral contraceptives and barrier methods (13% each), and injectables or implants (9%).
Among the barrier methods explained in the FDA guide are several available without a prescription -- male and female condoms, the sponge with spermicide, and spermicide alone.
There are over 30 other barrier methods yet to be explored that do not cause the same economic harm to the Chicago area, the state of Illinois, and all states that rely on the inland waterways.
The survey, which quizzed 1,000 women aged 18 to 50, found that, one in five women had heard of kitchen items, including bread, cling film and even chicken skin, being used as alternative barrier methods, reports the BBC.
physical and chemical barrier methods such as the male and female condom, diaphragms, cervical caps and spermicides
A sampling of topics includes: fundamentals of optimization, linear programming, duality and sensitivity, and penalty and barrier methods.
2) Women using oral contraceptives are more likely to be exposed to human papillomavirus (HPV) than those using barrier methods or not having sexual intercourse.
This includes both chemical and barrier methods of contraception.
For pills, denotes one or more missed pills in past three months; for barrier methods or withdrawal, denotes nonuse at one or more acts of intercourse in past three months.
Barrier methods other than condoms offer only modest protection against pregnancy and are generally not recommended for women with HIV.