Development of catecholamine--storing cells in human fetal paraganglia and adrenal medulla. A histochemical and electron microscopical study.

Acetylcholinesterase/physiology Adrenal Glands/blood supply,embryology,innervation Adrenal Medulla/blood supply,cytology,embryology Angiography Catecholamines/physiology Cell Differentiation Cholinesterases/physiology Chromaffin System/cytology,embryology Cytoplasmic Granules Endoplasmic Reticulum Epinephrine/physiology Fetus/cytology Fluorescence Ganglia, Autonomic/blood supply,cytology,embryology Gestational Age Histocytochemistry Humans Microscopy, Electron Mitochondria Nerve Net Nerve Tissue/embryology Neurotransmitter Agents/physiology Norepinephrine/physiology Ribosomes Sympathetic Nervous System/cytology,embryology Synaptic Vesicles

Catecholamines Neurotransmitter Agents Acetylcholinesterase Cholinesterases Norepinephrine Epinephrine