Differences between single-unit and multi-unit muscles, Biology

DIFFERENCES BETWEEN SINGLE-UNIT AND MULTI-UNIT SMOOTH MUSCLES

 

 

Single-unit Smooth Muscles

 

Multi-unit Smooth Muscles

1.

They are composed of muscle fibres closely

1.

They are composed of muscle fibres not so

 

joined together.

 

closely joined together.

2.

All the fibres of single smooth muscle

2.

All the fibres of a multiunit muscle contract

 

contract together as a single unit.

 

as separate units.

3.

Muscles of the wall of hollow visceral organs

3.

Muscles of the wall of large blood vessels,

 

(e.g.,  Gastrointestinal tract and urinary

 

arrector pili muscles of skin dermis, ciliar and

 

bladder) are examples of this type of muscles.

 

iris muscles in the eyes are examples of this

 

 

 

type of muscles.

Posted Date: 10/1/2012 3:59:05 AM | Location : United States







Related Discussions:- Differences between single-unit and multi-unit muscles, Assignment Help, Ask Question on Differences between single-unit and multi-unit muscles, Get Answer, Expert's Help, Differences between single-unit and multi-unit muscles Discussions

Write discussion on Differences between single-unit and multi-unit muscles
Your posts are moderated
Related Questions
What is Gingival Inflammation Areas of overt inflammation should be identified and the etiology investigated to initiate proper treatment.

DIGESTION OF FOOD MATERIALS Digestion, you know, involves  the mixing of  food, its movement through the digestive tract and chemical breakdown of the large ntolecules of  food

How does photoperiodism affect the flowering of some plants? The Flowering is an easy and typical to observe example of photoperiodism. Most of flowering plants flower only dur

Circulatory system, closed is a system which uses a continuous series of the vessels of different sizes to deliver blood to body cells and return it back to the heart; it is found

State the list of Behavioural Observations A typical list of domains would include the following: Mood and affect Motivation and cooperation Social interaction

Q. Number of risk factors of gout? A number of risk factors are related to the development of hyperuricemia and gout. These factors include: • Hereditary: Genetics may play

Explain Increased Fibrinogen Levels and Other Thrombogenic Factors ? Thsombogenesis is an important component in the pathological process of atherosclerosis and so it is not s

How would you design, in principle, an experiment to test the hypothesis that a certain variety of lettuce seed needed daylight in order to germinate?  You would need as large

Unlike the phagocytosis, that is a regulated form of endocytosis carried out by a small number of cell category, pinocytosis is a constitutive process which happens continuously in

The foods we take have three basic ingredients - carbohydrate, protein and fat. Insulin has profound effects on the metabolisms of carbohydrate, protein and fat. Metabolism helps o