While observing cardiac muscle under the microscope for the first time,Jennifer noticed lines running perpendicular to the direction of the muscle.These lines are called
A)perpendicular plates.
B)Volkman canals.
C)Broca's area.
D)Haversian canals.
E)intercalated discs.

Question

Quizplus · Accepted Answer

The lines running perpendicular to the direction of the muscle are intercalated discs, which are junctions between adjacent cardiac muscle cells. Option A corresponds to a structure found in bone, while options B and D refer to structures found in compact bone tissue. Option C refers to a brain region that is unrelated to cardiac muscle. Therefore, option E is the correct choice.

While Observing Cardiac Muscle Under the Microscope for the First