reuptake
UK[ˌriːˈʌpteɪk]US[ˌriːˈʌpteɪk]
n
the process by which a nerve cell reabsorbs and recycles neurotransmitter molecules after they have transmitted a neural impulse.
n
the reabsorption of any substance, such as a hormone or drug, by a cell or tissue.
Morpheme Breakdown
re
uptake
re
again
uptake
absorption
Etymology
the word 'reuptake' is a modern scientific compound formed within english. it combines the latin-derived prefix 're-', indicating repetition, with the english noun 'uptake', which itself originates from the verb phrase 'to take up'. the term was coined in the mid-20th century, primarily in the fields of biochemistry and neuropharmacology, to describe the specific cellular process of reabsorbing a substance that had been previously released. its logic is transparently literal: a 'taking up again', which precisely captures the mechanism of recycling neurotransmitters at synaptic junctions.
Analysis
Structure: re (again) + uptake (absorption)
re is a prefix of latin origin meaning "again" or "back". uptake is a noun of english origin, from the verb phrase "take up", meaning the act of absorbing or taking in.
Examples
serotonin reuptake inhibitors are a common class of antidepressants.
the reuptake of dopamine in the synapse is a key regulatory mechanism.
the drug works by blocking the reuptake of the hormone, allowing it to remain active longer.