Category: S

In biology and physiology, a control mechanism that operates by negative or positive feedback. For example, when in the normal person the blood glucose level rises, the pancreas responds by releasing insulin, which enables the glucose to be metabolized. The level of other hormones is also regulated by this mechanism.  

Any animal (often a dog) specially trained to assist a person who is blind, deaf, or in some manner  disabled. Also called an assistance animal.  

To deliver a legal document to a person named in it. This is done formally to comply with due process of law.  

Capable of resisting the antibodies present in serum.  

A laboratory or storage facility where samples of serum are kept, typically at subfreezing temperatures, for their future value in the retrospective study of important or emerging diseases. The JANUS serum bank, in Norway, has one of the largest and best organized national collections of stored serum; its specimens have been used primarily in studies…

A small wire-spring forceps for compressing bleeding vessels.  

An opportunistic bacterium that causes septicemia and pulmonary disease, especially in immunocompromised patients, and is found in water, soil, milk, and stools. In the proper environment, the organism will grow on food and produce the red pigment prodigiosin. A gram-negative, facultatively anaerobic bacteria with red-pigmented varieties, occurring in water, soil, and food and in clinical…

A species that has caused septicemia and other hospital acquired infections.  

A genus of gram-negative bacilli of the family Enterobacteriaceae. It is a gram-negative rod.  

Variants within a species defined by variation in serological reactions.