Which of the Following Characteristics Is Unique to Smooth Muscle

Smooth muscle is typically non-striated uni-nucleated and involuntary or reflexive. Smooth muscle fibers do not.

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- Skeletal muscle lacks the coarse connective tissue sheaths that are found in smooth muscle.

. Which of the following characteristics is unique to smooth muscle. Smooth muscle cells. Repolarization The refractory period in which the muscle will not contract if stimulated occurs during __________ of.

Skeletal muscle has four major functional characteristics. Only cardiac muscle is capable of autorhythmicity Only cardiac muscle has a high concentration of mitochondria. They are unbranched and involuntary.

B Smooth muscle cells have a single nucleus and no visible striations. 1Contractility kon-trak-til i-tē is the ability of skeletal muscle to shorten with force. When skeletal muscles contract they cause the.

Smooth muscle depends on the calcium-calmodulin system to regulate contraction while skeletal muscle relies on the calcium-troponin system to regulate contraction. Only cardiac muscle contains a sarcoplasmic reticulum. The cells are long with pointed ends spindle-shaped and uninucleate having a single nucleus.

Only cardiac muscle has gap junctions. Single-unit smooth muscle in the walls of the viscera called visceral muscle has a stress-relaxation response that permits muscle to stretch contract and relax as the organ expands. One of the characteristics worth mentioning is perfect coordination of the cells during contraction and beating of heart.

- Skeletal muscle fibers tend to be shorter than smooth muscle fibers. It resembles the skeletal type with reference to multinucleate cells and a striped appearance. Smooth muscle also called involuntary muscle.

It can be stimulated by hormones. Name at least two distinguishing histological characteristics of smooth muscle as seen in a A. What substance is released from the axon terminal into the synaptic cleft at the neuromuscular junction.

When comparing skeletal cardiac and smooth muscle which of the following characteristics is unique to just one muscle type. Actin and myosin act as the main proteins involved in muscle contraction. A striated b voluntary.

Which of the following characteristics can be used to describe epithelial. So the correct answer is an option A Spindle-shaped unbranched unstriated. A is involuntary b is non-striated c has intercalated discs d contains smooth muscle tissue.

- Skeletal muscle fibers contain sarcomeres. They range from about 30 to 200 μm thousands of times shorter than skeletal muscle fibers and they produce their own connective tissue endomysiumAlthough they do not have striations and sarcomeres smooth muscle. Which of the following is a characteristic of a smooth muscle cell.

Deep fascia CORRECT ANSWER. Unlike skeletal muscle contraction in smooth muscle does not involve a sliding filament mechanism. It is under the control of the somatic nervous system.

Skeletal muscle is described by all of the following EXCEPT. As far as similarity with smooth muscle is concerned both cardiac and smooth muscle types bear a nucleus in the center. Lies between neighboring muscles see more 19.

Which of the following characteristics is unique to smooth muscle. Smooth muscle contains thick and thin filaments that do not arrange into sarcomeres resulting in a non-striated pattern. D smooth 3 Which of the following is unique to cardiac muscle tissue.

Contractility excitability extensibility and elasticity. Smooth muscle cytoplasm contains large amounts of actin and myosin. Multiunit smooth muscle cells do not possess gap junctions and contraction does not spread from one cell to the next.

A Skeletal muscle cells have prominent striation and nuclei on their periphery. C Cardiac muscle cells appear striated and have a single nucleus. Correct option is A Smooth muscles are found primarily in the digestive tract esophagus small intestine and large intestine urinary tract ureter bladder etc.

Smooth muscle cells are arranged together in sheets and this organisation means that they can contract simultaneously. Match the following skeletal muscle structure with the correct description. On microscopic examination it appears homogenous.

Smooth muscle cells are elastic not striated spindle-shaped and contain a single central nucleus. Science Biology Anatomy Physiology Which of the following is unique to cardiac muscle cells. It has T tubules to bring action potentials into the cell.

Smooth muscles are found primarily in the digestive tract esophagus small and large intestine urinary tract ureter bladder reproductive system uterus vaginal walls and endocrine system ducts. Figure 441 Muscle Tissue. Smooth muscle fibers are spindle-shaped wide in the middle and tapered at both ends somewhat like a football and have a single nucleus.

- Smooth muscle lacks the thin and thick filaments characteristic of skeletal muscle. This muscle type is slow twitch and often rhythmic in contraction. They have poorly developed sarcoplasmic reticulums and do not contain T-tubules due to the restricted size of the cells.

Unlike skeletal muscle smooth muscle does not depend on ATP to fuel contractions. It relies on calcium which comes exclusively from the sarcoplasmic reticulum. It is also called striated muscle because transverse bands or striations can be seen in the muscle under the microscope.

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