Electronmicroscopy of the frog's heart.
D000818:Animals; D001001:Anura / Q000033:anatomy & histology*; D006321:Heart / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D009206:Myocardium / Q000033:anatomy & histology*
FROGS/anatomy and histology; MYOCARDIUM/anatomy and histology