The early pattern of cardiac innervation in the fetal guinea pig.
D000818:Animals; D005260:Female; D005865:Gestational Age; D006168:Guinea Pigs; D006321:Heart / Q000196:embryology / Q000294:innervation*; D009413:Nerve Fibers, Myelinated / Q000196:embryology; D011247:Pregnancy; D013564:Sympathetic Nervous System / Q000196:embryology*; D014630:Vagus Nerve / Q000196:embryology*