title: The sarcoplasmic reticulum and associated plasma membrane of trunk muscle lamellae in Branchiostoma lanceolatum (pallas). A transmission and scanning electrom microscopic study including freeze-fractures, direct replicas and x-ray microanalysis of calcium oxalate deposits.
mesh_terms: D000818:Animals; D002118:Calcium; D002462:Cell Membrane; D002474:Cell-Free System; D002816:Chordata, Nonvertebrate / Q000648:ultrastructure*; D005614:Freeze Fracturing; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D012519:Sarcoplasmic Reticulum
chemical_list: D002118:Calcium