Category: A

A placenta that remains adherent to the uterine wall after the normal period following childbirth. A placenta that doesn’t detach from the uterus wall following childbirth.  

A placenta separate from the main placenta. An additional segment of the placenta located separate from the primary mass.  

A skin disorder characterized by development of an edematous pink papule that undergoes central vesiculation and hemorrhagic necrosis. The lesions clear spontaneously after weeks or months but leave scars.  

A preparation consisting of dried, defatted, powdered anterior lobe of the pituitary gland of domestic animals. Region of the pituitary that secretes beta-endorphin and adrenocorticotropic hormone.  

A pillow or cushioned wedge placed between the legs of a patient after total hip replacement to maintain proper positioning and prevent dislocation/abduction of the joint.  

Pigmentation produced by the collection of hemoglobin, or pigment carried to a site through the blood.  

The branch of physiology that deals with conditions encountered by humans in flying, mountain climbing, or space flight. The conditions studied are hypoxia, extreme temperature and radiation, effects of acceleration and deceleration, weightlessness, motion sickness, enforced inactivity, mental stress, acclimatization, and disturbance of biological rhythm.  

A pesticide used to protect stored grains from insects and rodents. After exposure to water it is converted to hydrogen phosphide, a poison that inhibits cellular oxidative metabolism, especially in metabolically active organs. It may be toxic or deadly to humans if ingested or inhaled. Its chemical formula is A1P.  

Phosphene resulting from contraction of the ciliary muscles in accommodation. This is seen especially in the dark.  

A phosphate in which only one or two hydrogen atoms of phosphoric acid have been replaced by a metal.