synaptosome
Pronunciation: sin-ap′tō-sōm
Definition: Membrane-bound sac containing synaptic vesicles that breaks away from axon terminals when brain tissue is homogenized under controlled conditions; such particles can be separated from other subcellular particles by differential and density gradient centrifugation.
[synapse + G. sōma, body]
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Examples: glitazone, GI cocktail, etc.

