Examlex
The gripping of the trochlea by the trochlear notch constitutes the "hinge" for the elbow joint.
Neurotransmitters
Chemical substances that transmit nerve impulses across a synapse from one neuron to another.
Blood-Brain Barrier
A selective permeability barrier that protects the brain from foreign substances in the blood that may harm it.
Circadian Rhythms
Biological processes that display an endogenous, entrainable oscillation of about 24 hours.
Hypothalamus
A region of the brain responsible for the regulation of certain metabolic processes and other activities of the autonomic nervous system, including temperature control, hunger, and thirst.
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Q90: Which of the following can be considered