title: Sympathetic nerve development in the rat and guinea-pig heart.
mesh_terms: D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn; D001679:Biogenic Amines / Q000032:analysis; D005260:Female; D005318:Fetal Heart / Q000033:anatomy & histology / Q000294:innervation; D005453:Fluorescence; D006168:Guinea Pigs; D006321:Heart / Q000294:innervation*; D006325:Heart Atria / Q000033:anatomy & histology / Q000294:innervation; D006352:Heart Ventricles / Q000033:anatomy & histology; D006651:Histocytochemistry; D011247:Pregnancy; D051381:Rats; D013564:Sympathetic Nervous System / Q000033:anatomy & histology / Q000254:growth & development*
chemical_list: D001679:Biogenic Amines