Category: A

One of a group of small tubules associated with the epididymis. They end blindly, representing the vestigial remains of the caudal group of mesonephric tubules.  

A duct of the pancreas leading into the pancreatic duct or the duodenum near the mouth of the common bile duct.  

The enforced testing of individuals for evidence of drug or alcohol use or abuse. Some state or federal regulatory or licensing agencies require random drug testing of employees in specific industries to ensure public safety and to prevent on-the-job injuries. In addition, some health care professionals who have a history of drug or alcohol abuse…

A chemical substance that either kills microorganisms or prevents their growth.  

A minor change in the protein marker or antigen on an organism. Small changes in the antigenic surface markers of some microorganisms (such as the influenza virus) occur from year to year. Vaccinations against the virus are adapted annually to combat these changes and prevent epidemic in fection.  

A dressing consisting of gauze permeated with an antiseptic solution.  

A dressing consisting of gauze, sterilized gauze, or absorbent cotton.  

A diaphragmatic breathing pattern used by patients with respiratory illnesses (e.g., cystic fibrosis, bronchiectasis) to clear the lungs of mucus and other secretions. Various techniques are used, all of which combine positive reinforcement of deep breathing and voluntary cough suppression for as long as possible before evacuating the airways of mucus.  

Drainage in which negative pressure is maintained in the tube. It is used in treating pneumothorax and in certain types of drains or catheters in the intestinal tract, body cavity, or surgical wound.  

A douche containing substances such as alum or zinc sulfate for shrinking the mucous membrane.