Author: Glossary
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Axillary fold
On the surface of the side of the trunk, the anterior or posterior ridge of the axilla. The anterior axillary fold is the border of the pectoralis major muscle. The posterior fold is the border of the latissimus dorsi muscle and the underlying teres major muscle.
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Aryepiglottic fold
The ridgelike lateral walls of the entrance to the larynx.
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Amniotic fold
The folded edge of the inner fetal membrane where it rises over and finally encloses the embryo of birds, reptiles, and some mammals.
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Foil
A thin, pliable sheet of metal. In dentistry, various types of gold foil are used for restoring teeth.
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Fogo selvagem
An autoimmune disease that causes blistering of the skin of the head, neck or trunk, esp. when the skin is rubbed (Nikolsky’s sign). It often causes a burning dysesthesia, from which its popular name is derived. The disease is typically found in Brazil or Colombia and has been associated with chronic or recurrent exposure to…
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Fogging effect
Transient difficulty in visualizing an ischemic stroke with computed tomography (CT) or magnetic resonance (MR) imaging, typically occurring about 10 days after the stroke.
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Fogging
A method of testing vision, used particularly in testing myopia and in postcycloplegic examination, in which accommodation is relaxed by overcorrection.
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Fog
Droplets suspended in a gas, as minute water droplets in air.
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Virtual focus
The point at which divergent rays would intersect if extended backward.
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Real focus
The point at which convergent rays intersect.