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Summation, which includes both spatial summation and temporal summation, is the process that determines whether or not an action potential will be generated by the combined effects of excitatory and inhibitory signals, both from multiple simultaneous inputs (spatial summation), and from repeated inputs (temporal summation).
Tetanus toxin, also known as tetanospasmin is a potent neurotoxin produced by Clostridium tetani and causes the disease state, tetanus. The LD 50 of this toxin has been measured to be approximately 1 ng/kg, making it second only to botulinum toxin D as the deadliest toxin in the world. It functions very similarly to botulinum neurotoxin by ...
Depiction of smooth muscle contraction. Muscle contraction is the activation of tension-generating sites within muscle cells. [1] [2] In physiology, muscle contraction does not necessarily mean muscle shortening because muscle tension can be produced without changes in muscle length, such as when holding something heavy in the same position. [1]
The algorithm performs summation with two accumulators: sum holds the sum, and c accumulates the parts not assimilated into sum, to nudge the low-order part of sum the next time around. Thus the summation proceeds with "guard digits" in c , which is better than not having any, but is not as good as performing the calculations with double the ...
A Clinical Trial Management System (CTMS) is a software system used by biotechnology and pharmaceutical industries to manage clinical trials in clinical research.The system maintains and manages planning, performing and reporting functions, along with participant contact information, tracking deadlines and milestones.
BEIJING (Reuters) -China said on Sunday it was taking countermeasures against two Canadian institutions and 20 people involved in human rights issues concerning the Uyghurs and Tibet.
The study is still recruiting people ages 18 to 74, and they can live anywhere in the U.S. to participate through 2026. Everyone in the study must have a smart phone and at least one risk factor ...
In fact, one recent study showed a significant relationship between the frequency of Instagram use and body dissatisfaction, drive for thinness, and low self-esteem in girls aged 14-24.