Definition of "immunoreactive" [immunoreactive]

• Of, pertaining to, or causing an immune reaction (adjective)

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• "Langub, MC, et al. Estrogen receptor immunoreactive glia, endothelia and ependyma in guinea pig preoptic area and median eminence: electron microscopy."
• "Neurons in the nodose ganglia and nucleus tractus solitarius were immunoreactive for estrogen receptors."
• "Rats with vagal, pelvic, hypogastric and ovarian neurectomies exhibited a marked decrease in calcitonin gene-related peptide-immunoreactive nerves in the uterus relative to rats with pelvic, hypogastric, and ovarian neurectomies with intact vagus nerves."