Question

Differentiate between Striated, Un-striated and Cardiac muscles on the basis of their structure present in the body​

Answer 1

Answer:

Striated muscle Unstriated muscle Cardiac muscle

The shape of the striated muscles are cylindrical and multinucleated. The shape of the unstriated muscles are spindle and uninucleated. The shape of the cardiac muscles are cylindrical and uninucleated.

The striated muscles are found in the hand and legs part of the body. The unstriated muscles are found in the mouth, stomach, intestine, iris, etc part of the body.

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Explanation:

Answer 2

➲ Striated Muscle:-

• Definition-

It is a form of striated muscle tissues and is mainly found attached to bones by the tendons.

• Structure

Long, cylindrical with blunt ends. Skeletal muscles are cylindrically shaped with branched cells and the end of each skeletal muscle has a tendon, which connects the muscle to bone

• Location

They are mainly found in limbs, tongue, pharynx etc.

• Nucleus

Multinucleate, nuclei peripheral.

• Action

They are voluntary in action.

• Presence of Bands

Dark and light bands are present.

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➲ Unstriated muscle:-

• Definition

Smooth muscle is a type of muscle tissue which is used by various systems to apply pressure to vessels and organs.

• Structure

Sort, spindle-shaped with pointed ends. The smooth muscles of the human muscular system are spindle-shaped muscle fibres.

• Location

These muscles are found inside of organs like the blood vessels, stomach, and intestines.

• Nucleus

Uninucleate, nucleus in the centre.

• Action

They are involuntary in action.

• Presence of Bands

No bands present.

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➲ Cardiac muscle:-

• Definition

A type of muscle tissue that is found only in the heart and is distinguishable from the two other forms of muscle.

• Structure

Short, branched and cylindrical with flat ends. These muscles comprise the cylindrical, branched fibres. These muscles are striated muscles with cylindrical-shaped cells, which includes intercalated discs and joins neighbouring fibres.

• Location

These muscles are found only in the heart, and are mainly responsible for pumping blood throughout the body.

• Nucleus

One or two nuclei in the centre.

• Action

They are involuntary in action.

• Presence of Bands

Bands are present.

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