Examlex
Immediately at the end of the falling phase of the action potential, the membrane voltage has returned to resting values.
I Band
A region within the sarcomere of skeletal and cardiac muscles identified by its light appearance under a microscope, consisting mainly of actin filaments.
Neuromuscular Junction
The synapse or junction where a motor neuron transmits a signal to a muscle fiber, causing it to contract.
Synaptic Vesicles
Small sacs in presynaptic neurons that store neurotransmitters, which are released into the synaptic cleft to transmit neural signals.
Synaptic Cleft
The small gap between neighboring neurons, across which neurotransmitters are released to transmit signals from one neuron to another.
Q9: anion in greatest concentration in the ECF<br>A)Na<sup>+</sup><br>B)K<sup>+</sup><br>C)A<sup>-</sup><br>D)Cl<sup>-</sup>
Q21: The hair cells for hearing are located
Q30: The _ hemisphere excels in performance of
Q71: The primary barrier to passage of water-soluble
Q99: The _ cortex, the site for initial
Q114: One extracellular messenger molecule can ultimately influence
Q115: Composed mostly of lipids with variable proteins.<br>A)plasma
Q152: Specialization of target-cell receptors explains the specificity
Q168: _ refers to the process of an
Q176: Inhibits muscle tone throughout the body.<br>A)cerebellum<br>B)hypothalamus<br>C)brain stem<br>D)basal