Neonates have a spinal alpha receptor too, as do adults.
Yaksh
T L
TL
Department of Anesthesiology, University of California-San Diego, CA, USA. tyaksh@ucsd.edu
D000316:Adrenergic alpha-Agonists / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology*; D000328:Adult; D000367:Age Factors; D000700:Analgesics / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology*; D000818:Animals; D000831:Animals, Newborn; D020927:Dexmedetomidine / Q000008:administration & dosage / Q000009:adverse effects / Q000494:pharmacology; D006801:Humans; D007231:Infant, Newborn; D007278:Injections, Spinal; D010146:Pain / Q000188:drug therapy / Q000503:physiopathology*; D010147:Pain Measurement; D017288:Pain Threshold; D010641:Phenotype; D051381:Rats; D011942:Receptors, Adrenergic, alpha / Q000187:drug effects / Q000502:physiology*; D013045:Species Specificity
D000316:Adrenergic alpha-Agonists; D000700:Analgesics; D011942:Receptors, Adrenergic, alpha; D020927:Dexmedetomidine