Figure 8: Transverse (A) and longitudinal section (B) of biventer cervicis muscle treated with Krebs solution (Control) showing normal (n) morphology of the muscular fibers. Transverse (C) and longitudinal section (D) of biventer cervicis muscle treated with 10 μg of Btae TX-I and 50 μg Btae TX-I (E) and (F), respectively. Observe normal fibers (n) between edematous (e), discontinuous or hipercontracted (h) and ghost fibers (*). Bar= 50 μm.