differentiate between striated , unstriated muscles on the basis of their shape and site/location in the body??
Answers
Straited muscles
Definition Muscles tissue in which the contractile fibrils in the cells are aligned in parallel bundles, so that their different regions form stripes visible in a microscope. Muscles of this type are attached to the skeleton by tendons and are under voluntary control.
Shape The fibres of striated muscle have a cylindrical shape with blunt ends, whereas those in smooth muscle can be described as being spindle-like with tapered ends.
Location Cardiac muscle cells are located in the walls of the heart, appear striated, and are under involuntary control. Smooth muscle fibers are located in walls of hollow visceral organs, except the heart, appear spindle-shaped, and are also under involuntary control.
Unstraited muscles
Defination Unstriated muscles are involuntary muscles. The movement of food in the alimentary canal or the contraction and relaxation of blood vessels are involuntary movements. It is also known as smooth muscles.
Shape The cell of unstriated muscles are long and pointed at the ends and uninucleate. The cells of cardiac muscles are striated and branched. Straited muscles are present in our limbs and join the bones.
Location Muscle tissue that contracts without conscious control, having the form of thin layers or sheets made up of spindle-shaped, unstriated cells with single nuclei and found in the walls of the internal organs, such as the stomach, intestine, bladder, and blood vessels, excluding the heart.
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