Distribution of adrenergic fibres in the small intestine of the newborn guinea pig.
D000818:Animals; D000831:Animals, Newborn / Q000033:anatomy & histology*; D006168:Guinea Pigs; D007421:Intestine, Small / Q000294:innervation*; D009413:Nerve Fibers, Myelinated; D009474:Neurons / Q000166:cytology*; D013564:Sympathetic Nervous System / Q000166:cytology*