Uterine contraction. Drugs that bind to Beta 2 receptors (Beta 2 agonists) are used in the treatment of premature labour, this clinical application illustrates how Beta 2 receptors mediate tocolysis on the uterine muscle. Ritodrine is an example of a tocolytic drug.y Flavio Guzman, GuzmÃ¡n.M. D beta receptors are a subtype of adrenergic (receptor), adrenoceptor their activation triggers a (sympathomimetic) adrenergic. Response this article overviews the characteristics related to their physiology and pharmacological. Aspects in, addition a related article discusses alpha. receptors
î î î. Although an exact count is not available, it is likely that the human brain has as many as A) 10,000 neurons. B) 500,000 neurons. C) 1 million neurons. D) 10 million neurons. E) 100 billion neurons. The central nervous system is lacking in animals that have A) a complete gut. B) bilateral symmetry. C) radial symmetry. D) a closed ... E) ...he stretch receptors of the sensory neurons in the human knee-jerk reflex are located in the A) gastrocnemius muscle, in the calf.
All chordates at some time in their life have a rodlike bar called the notochord running the length of the body. Lower chordates (acorn worms, tunicates, and amphioxus), which lack a vertebral column, illustrate the most primitive features of the chordate nervous system. In these animalsâ¦