Sarcoplasmic reticulum in the portal vein heart and ventricle of the cyclostome Myxine glutinosa (L.).
D000818:Animals; D003594:Cytoplasmic Granules; D005399:Fishes; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D009206:Myocardium / Q000166:cytology; D012519:Sarcoplasmic Reticulum