Examlex
Which vertebrate was first, in evolutionary terms, to exhibit relatively large cerebral hemispheres?
Neurotransmitter
Chemical substances that transmit nerve impulses across a synapse from one neuron to another.
Motor Neuron
An efferent neuron that transmits impulses away from the central nervous system to skeletal muscle.
Thin Filament
Actin filaments within muscle cells that, along with thick filaments, play a crucial role in muscle contraction.
Actin
Actin is a protein that plays a vital role in cell movement and structure, forming filaments that are essential components of the cytoskeleton.
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