Category: A

An agent, such as a hormone, that induces menstruation by a direct effect on the reproductive tract.  

A rounded eminence forming the anterior boundary of the glenoid fossa.  

A rounded eminence on the upper surface of the petrous portion of the temporal bone.  

Embolotherapy; pathophysiologic migration of an embolus into an artery.  

The entry of amniotic fluid through a tear in the placental membranes into the maternal circulation. This rare event may occur at any gestational age, but most commonly during labor, delivery or in the immediate postpartum period. The contents of the fluid (e.g., shed fetal cells, meconium, lanugo, vernix) may produce pulmonary or cerebral emboli.…

The radioactive gas given off by actinium; a radioactive isotope of actinium.  

An obligate intracellular gram-negative bacterium that causes human monocytic ehrlichiosis in humans.  

Light stroking with the fingertips in a circular pattern from the symphysis pubis to the iliac crests, a Lamaze technique for coping with uterine contractions during the first stage of labor.  

The outer layer of cells (the “epithelium”) of an embryo.  

That phase of the viral life cycle during which a virus enters a cell to parasitize it. The eclipse phase of the viral life cycle includes 1. the attachment of the virus to the cell membrane, 2. the penetration of the cell by the virus, and 3. the uncoating of the virus once it has…