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It can affect any bone, and for in about half of affected people, multiple sites are damaged. [5] Avascular necrosis most commonly affects the ends of long bones, such as the femur. Other common sites include the humerus (upper arm), [6] [7] knees, [8] [9] shoulders, [6] [7] ankles and the jaw. [10]
Once this initial action potential is initiated, principally at the axon hillock, it propagates down the length of the axon. Under normal conditions, the action potential would attenuate very quickly due to the porous nature of the cell membrane. To ensure faster and more efficient propagation of action potentials, the axon is myelinated ...
Fixed drug reactions are common and so named because they recur at the same site with each exposure to a particular medication. [1] Medications inducing fixed drug eruptions are usually those taken intermittently.
This sets up the possibility for positive feedback, which is a key part of the rising phase of the action potential. [7] [10] A complicating factor is that a single ion channel may have multiple internal "gates" that respond to changes in V m in opposite ways, or at different rates.
ICD-10 is the 10th revision of the International Classification of Diseases (ICD), a medical classification list by the World Health Organization (WHO). It contains codes for diseases, signs and symptoms, abnormal findings, complaints, social circumstances, and external causes of injury or diseases. [1]
Figure B. is a recording of an actual action potential N.B. Actual recordings of action potentials are often distorted compared to the schematic view because of variations in electrophysiological techniques used to make the recording. In neurophysiology, a dendritic spike refers to an action potential generated in the dendrite of a neuron ...
Here are 10 that might go down in the coming weeks: Rushing yards, single season Barkley got a bit banged up Sunday and sat out a chunk of the game against the Steelers.
The action of drugs on the human body (or any other organism's body) is called pharmacodynamics, and the body's response to drugs is called pharmacokinetics. The drugs that enter an individual tend to stimulate certain receptors, ion channels, act on enzymes or transport proteins. As a result, they cause the human body to react in a specific way.