title: The atrioventricular valves of the guinea-pig. II. An ultrastructural study.
mesh_terms: D000818:Animals; D003239:Connective Tissue Cells; D003593:Cytoplasm; D004727:Endothelium / Q000166:cytology; D006168:Guinea Pigs / Q000033:anatomy & histology*; D008928:Mitochondria; D008943:Mitral Valve / Q000166:cytology* / Q000294:innervation; D009413:Nerve Fibers, Myelinated; D010210:Papillary Muscles / Q000166:cytology; D013572:Synaptic Vesicles; D014261:Tricuspid Valve / Q000166:cytology* / Q000294:innervation