Facts on File Encyclopedia of Health and Medicine

U umbilical cord The entwinement of the two umbilical arteries, one umbilical VEIN, and nerves that extend from the PLACENTAto t ...

grow in positions, especially near the openings of the FALLOPIAN TUBES, that prevent the implantation of a fertilized egg (ZYGOT ...

remove the uterus (HYSTERECTOMY). Surgery pro- vides permanent correction, though in some women the damage to the pelvic structu ...

V–Z VACTERL The acronym for a constellation of BIRTH DEFECTSthat tend to occur in coincidence with each other. Doctors consider ...

HEALTH CONDITIONS THAT CAN AFFECT THE VAGINA CANDIDIASIS(vaginal yeast INFECTION) CHLAMYDIA Escherichia coliINFECTION GENITAL HE ...

regular activities, including sexual activity, within two weeks. When varicocele is the cause of infer- tility, FERTILITYusually ...

eventually reabsorbs the sperm. Vasectomy does not alter a man’s sexual desire or erectile function (ability to have an ERECTION ...

See also ALTERNATIVE METHODS FOR PAIN RELIEF; ANALGESIC MEDICATIONS; MALDYNIA;SEXUALLY TRANS- MITTED DISEASE(STD) PREVENTION. zy ...

This section, “Psychiatric Disorders and Psycho- logic Conditions,” presents an overview discussion of mental health and mental ...

logic causes for symptoms. Loss of inhibition, for example, may occur as a consequence of STROKE, ALZHEIMER’S DISEASE, or BRAIN ...

A acute stress disorder A dissociative state (men- tal framework that creates emotional and psycho- logic distance from the trau ...

benzodiazepine drugs on the market; they differ primarily in the extent of sedation they cause, the onset of action, and the len ...

ferent mechanism from subsequent classes in that it blocks the function of an enzyme (monoamine oxidase, or MAO) to indirectly e ...

OTHER ANTIDEPRESSANTS bupropion nefazodone trazodone venlafaxine How These Medications Work Most antidepressant medications, reg ...

conduct electrical impulses among neurons) in the brain. Most antipsychotic medications target DOPAMINE, a NEUROTRANSMITTERthat ...

attention deficit hyperactivity disorder (ADHD) A behavior disorder, often arising in early child- hood, of marked difficulty or ...

the child that shapes behavior and mechanisms of communication. This approach ties in with the child’s inherent need for repetit ...

B behavior modification therapy A treatment approach that focuses on changing one’s actions to remedy inappropriate responses or ...

continuum rather than as discreet disorders. Episodes of symptoms may last from weeks to months. Many people experience periods ...

every morning holding the ears flat against the head then letting go to see whether they’ve changed, repeating this behavior to ...