PORES IN THE SARCOPLASMIC RETICULUM.
D000818:Animals; D001001:Anura; D003585:Cell Biology; D004583:Electrons; D005399:Fishes; D008853:Microscopy; D008854:Microscopy, Electron; D009132:Muscles; D012519:Sarcoplasmic Reticulum; D014562:Caudata
CYTOLOGY; FISHES; FROGS; MICROSCOPY, ELECTRON; MUSCLES; SALAMANDERS