Blister: A collection of fluid underneath the top layer of skin (epidermis). There are many causes of blisters, including burns, friction forces, and diseases of the skin. Also known as bleb and bulla.
- Blister beetle
Blister beetle: A blister beetle is one of a number of beetles that have historically been used in dried or powdered form for medicinal purposes to raise blisters on the skin. An example of a blister beetle is the so-called Spanish fly. All blister beetles are soft-bodied beetles and belong to the family Meloidae.
- Blister, blood
Blister, blood: a blister full of blood due to a pinch, bruise or repeated friction. A blister is medically termed a vesicle. One that is more than 5 mm in diameter with thin walls and is full of watery fluid is called a bulla. The word “blister” entered English in the 14th century. It came […]
- Blister, fever
Blister, fever: A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and crusting over. The favorite locations are on the lips, chin or cheeks and in the nostrils. Less frequent sites are the gums or roof of the mouth (the palate). Fever blisters are caused […]
- Blocker, beta adrenergic
Blocker, beta adrenergic: A class of drugs, also more simply called beta blockers, that block beta-adrenergic substances such as adrenaline (epinephrine), a key agent in the “sympathetic” portion of the autonomic (involuntary) nervous system. By blocking the action of the sympathetic nervous system on the heart, these agents relieve stress on the heart. They slow […]
- Blockers, beta
Blockers, beta: A class of drugs that block beta-adrenergic substances such as adrenaline (epinephrine), a key agent in the “sympathetic” portion of the autonomic (involuntary) nervous system. By blocking the action of the sympathetic nervous system on the heart, beta blockers relieve stress on the heart. They slow the heart beat, lessen the force with […]