A substance (solution or medication) that induces blistering (vesicles).

A small circumscribed elevation of the epidermis containing a serous fluid; a small blister.

Fingerlike projections of the cellular membrane that line the small intestine and are primarily responsible for absorption of nutrients.

Usually refers to polyvinylchloride (PVC). Resin used as a rubber substitute (e.g. as gloves) in many medical and industrial applications. Although the material itself is a barrier to microorganisms, its non-elastic properties do not allow for maintenance of barrier integrity after extended use, or in rigorous procedures.

An agent that renders viruses non-infective.

Degree of pathogenicity (potential of a given microorganism to cause disease in a specific host). The concept includes infectivity, invasiveness, and toxicity.

A microorganism that can cause an infection and that needs a host (human, animal or other living organism) in order to propagate. Is considered to be non-living by most definitions.

Plural of viscus; internal organs of the body (e.g., heart, lungs, intestines).

Pain that results from the activation of nociceptors of the thoracic, pelvic, or abdominal viscera. It is felt as a poorly localized aching or cramping sensation and is often referred to cutaneous sites. Clinical examples: colic, muscle spasms, sickle cell, appendicitis, kidney stones.

Measurement of the resistance of a fluid to flow when a force is applied.