PHYSIOLOGY
MICROSCOPIC MUSCLE ANATOMY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Which muscle type has two nuclei and is often found branched?
|
|
skeletal
|
|
|
cardiac
|
|
|
smooth
|
|
|
None of the above
|
Explanation:
Detailed explanation-1: -Cardiac muscle cells (cardiomyocytes) are striated, branched, contain many mitochondria, and are under involuntary control.
Detailed explanation-2: -Human cardiac muscle cells are the most physically energetic cells in the body, and according to various researchers they contain two nuclei in 25–40%. In humans, the heart during prenatal development consists mainly of cardiomyocytes with one nucleus.
Detailed explanation-3: -Cardiac muscle has branching fibers, one nucleus per cell, striations, and intercalated disks. Its contraction is not under voluntary control.
There is 1 question to complete.