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Which type of muscle is multinucleated striated and in cylinder form?
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∙ 8y ago
Skeletal muscle.
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∙ 11y ago
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Why are skeletal muscle cells multinucleated?
The number of cells depends on how large the muscle is; muscles consist of fiber bundles, which are made up of myofibrils. A sarcomere is one of the segments that the myofibril is divided into. In each fiber bundle there are multinucleate cells, which can extend the length of the skeletal muscle. So, the number of cells in a skeletal muscle depends on the size of the muscle. for example, the number of cells in one of our triceps larger than one of the small muscles in a finger.
Is Heart made up of striated or non striated muscles?
Heart muscle is striated but not in the same way that skeletal muscle is. Cardiac muscle is a type of involuntary striated muscle found only in the walls of the heart.Cardiac and skeletal muscle are similar in that both appear to be striated in that they contain sarcomeres. In striated muscle, such as skeletal and cardiac muscle, the actin and myosin filaments each have a specific and constant length on the order of a few micrometers, far less than the length of the elongated muscle cell (a few millimeters in the case of human skeletal muscle cells).The filaments are organized into repeated subunits along the length. These subunits are called sarcomeres. The sarcomeres are what give skeletal and cardiac muscles their striated appearance of narrow dark and light bands, because of the parallel arrangement of the actin and myosin filaments.However, cardiac muscle has unique features relative to skeletal muscle. For one, the myocytes are much shorter and are narrower than the skeletal muscle cells, being about 0.1 millimeters long and 0.02 millimeters wide .Furthermore, while skeletal muscles are arranged in regular, parallel bundles, cardiac muscle connects at branching, irregular angles.Anatomically, the muscle fibers are typically branched like a tree branch. In addition, cardiac muscle fibers connect to other cardiac muscle fibers through intercalcated discs and form the appearance of a syncytium (continuous cellular material).These intercalcated discs, which appear as irregularly-spaced dark bands between myocytes, are a unique and prominent feature of cardiac muscle .
Compare and contrast in terms of structure and function the three different types of muscles found in the human body?
Well you only have 3 types of muscles in the human body. Cardiac, Skeletal and Smooth 1 Cardiac Muscle... with is only found in the heart. The specialized striated muscle tissue of the heart, the myocardium. Cardiac muscle is in some ways similar to skeletal and smooth muscle . For example, all three contract when a rise in calicum inside the muscle cell allows interaction between actin and myocin filaments. However, cardiac muscle has a unique structure, and differs in the way that contraction is initiated and regulated. 2.Skeletal Muscle... usually voluntary muscle made up of elongated, multinucleated, transversely striated muscle fibers, having principally bony attachments. Also called striated muscle. Skelekal muscles moves the skeleton and is responsible for all our voluntary movements, as well as for the automatic movements required, for example, to stand, to hold up our head, and to breathe. 2. Smooth Muscles... 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 out side the heart. The cardiovascular, gastrointestinal, genitourinary, and respiratory systems are composed mostly of hollow organs (tubular or sacular), which transport and/or store fluids (either liquids or gases) within the body. The walls of these organs contain smooth muscle, a type of tissue which enables them to constrict or dilate, in this way retarding or facilitating fluid movement as required. This is accomplished by the shortening or lengthening of the individual smooth muscle cells, which occurs in a co-ordinated fashion because the cells are electrically coupled by intercellular connections, known as gap junctions. Other structures in the body that contain smooth muscle include the myometrium - the muscular wall of the uterus - which is responsible for the rhythmic contractions of Labor, the piloerector muscles, which cause skin hair to stand up; and the irises, which control the diameter of the pupils.
What do muscle tissues join to form?
Muscle
Why does water in a graduated cylinder form a miniscus?
Because of the water in the cylinder goes slanted...forming a miniscus
What is straited muscle?
straited muscle are another form of skeletal muscle.
What is the combining form for rod shaped striated muscle?
Rhabd/o is the combining form for rod-shaped striated muscle tissue Source: currently taking medical terminology II
What is striated muscle?
its form of fibres that are combined into parallel fibres. More specifically, it can refer to: * skeletal muscle * cardiac muscle
What tissue is a skeletal muscle?
skeletal muscle is just a form of muscle that is striated. The other two kinds are cardiac and smooth. It is just muscle tissue.
How do skeletal muscle fibers become multinucleated?
Being multinucleated enables anything to synthesize more protein. Also we know that skeletal muscle fibres are much longer than that of any other muscle fibre, so it needs a huge amount of actin and myosin protein to bring about required contraction of a muscle, as actin and myosin crossbridge is required for muscle contraction. Thus it can be postulated that this boon of being multinucleated is essential for a skeletal muscle to posses adequate amounts of actin and myosin for muscle contraction. By-- faireena singh ( mbbs first year cmc)
What is the definition of a Skeletal muscle cell?
A skeletal muscle cell is a type of cell that is long, cylindrical, and striated in appearance. These cells are responsible for voluntary movement and are attached to bones by tendons. Skeletal muscle cells contract to generate force and movement in the body.
What does it mean if a muscle is striated?
Striated muscle includes cardiac muscle and skeletal muscle. Cardiac muscle is found only in the heart. Skeletal muscle is between bones and is voluntarily controlled. Examples of skeletal muscle are the sternoclydomastoid, biceps, obicularis oris, rectus femoris, etc.
What is the structure of muscles?
The muscle cells are long and multinucleated. They are wrapped by endomysium. Clear striations can be seen. The muscle fibres are grouped together to form a fasicle. The fascicles are surrounded by perimysium. The fasciles then form a muscle bundle which is covered by the epimysium. The muscle bundles are grouped one or more similar functionis. A deep fascia separates different groups.
Why are skeletal muscle cells multinucleated?
The number of cells depends on how large the muscle is; muscles consist of fiber bundles, which are made up of myofibrils. A sarcomere is one of the segments that the myofibril is divided into. In each fiber bundle there are multinucleate cells, which can extend the length of the skeletal muscle. So, the number of cells in a skeletal muscle depends on the size of the muscle. for example, the number of cells in one of our triceps larger than one of the small muscles in a finger.
Is Heart made up of striated or non striated muscles?
Heart muscle is striated but not in the same way that skeletal muscle is. Cardiac muscle is a type of involuntary striated muscle found only in the walls of the heart.Cardiac and skeletal muscle are similar in that both appear to be striated in that they contain sarcomeres. In striated muscle, such as skeletal and cardiac muscle, the actin and myosin filaments each have a specific and constant length on the order of a few micrometers, far less than the length of the elongated muscle cell (a few millimeters in the case of human skeletal muscle cells).The filaments are organized into repeated subunits along the length. These subunits are called sarcomeres. The sarcomeres are what give skeletal and cardiac muscles their striated appearance of narrow dark and light bands, because of the parallel arrangement of the actin and myosin filaments.However, cardiac muscle has unique features relative to skeletal muscle. For one, the myocytes are much shorter and are narrower than the skeletal muscle cells, being about 0.1 millimeters long and 0.02 millimeters wide .Furthermore, while skeletal muscles are arranged in regular, parallel bundles, cardiac muscle connects at branching, irregular angles.Anatomically, the muscle fibers are typically branched like a tree branch. In addition, cardiac muscle fibers connect to other cardiac muscle fibers through intercalcated discs and form the appearance of a syncytium (continuous cellular material).These intercalcated discs, which appear as irregularly-spaced dark bands between myocytes, are a unique and prominent feature of cardiac muscle .
How are the striations of a skeletal muscle produced?
Of the three types of muscle, cardiac, smooth and skeletal, skeletal is striated. Myocytes form myoblast which form myofibers. The myofibers are composed of myofibrils which are comprised of sarcomeres which is responsible for the muscles striated appearance.
Whats the anatomical difference between smooth cardiac and skeletal muscles?
cardiac and skeletal muscles have one thing in common, that is they are both striated in contrast to the smooth muscles commonly found in the GIT. however the main difference between them is that cardiac muscles function involuntarily while skeletal muscles are under conscious control. --thoughtfulobserver
