An examination test that is used by doctors to detect an irritated nerve. Tinel’s sign is performed by lightly banging (percussing) over the nerve to elicit a sensation of tingling or “pins and needles” in the distribution of the nerve.
For example, in a person with carpal tunnel syndrome where the median nerve is compressed at the wrist, Tinel’s sign is often “positive” and causes tingling in the thumb, index, and middle fingers.
Tinel’s sign is sometimes referred to as “distal tingling on percussion” or DTP.
- Sign, toe
Joseph Francois Felix Babinski (1857-1932). His name will never be forgotten in medicine, thanks to the toe sign he described.
- Signal transduction
A basic process in molecular cell biology involving the conversion of a signal from outside the cell to a functional change within the cell. A signal (such as a hormone or neurotransmitter) interacts with a receptor on the cell surface; this interaction causes a change in a second messenger (such calcium); and, eventually, a change […]
- Signal transduction pathway
The course by which a signal from outside a cell is converted to a functional change within the cell.
That part of the prescription that contains the doctor’s directions to the patient. For example, the signature might say “take twice daily with food”. Also known as the sig.. The word “signature” comes from the Latin “signare” meaning “to sign or mark.”
Poisonous substance found in the Japanese star anise. Star anise is chiefly used as a condiment in Chinese meat dishes. Sikimi plant is also known as Japanese star anise.