KNEE JERK
\nˈiː d͡ʒˈɜːk], \nˈiː dʒˈɜːk], \n_ˈiː dʒ_ˈɜː_k]\
Sort: Oldest first
-
A phenomenon described by Erb as "patellar tendon reflex." It consists in the spasmodic contraction of the quadriceps femoris produced by a quick stroke upon the patellar tendon when the leg is slightly flexed. Normally it is rarely absent. It is of great diagnostic importance in diseases of the spinal cord.
By Smith Ely Jelliffe
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.