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
Define the importance of Iodine in human? Iodine derives the nutritional importance as a constituent of thyroid hormones, 3,5,3',5' tetraiodo-thyronine (thyroxine or T 4 ) and

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Describe the clinical significance and symptoms of edema. How does edema (in its different forms listed in your text) appear on medical imaging examinations? Discuss any specific c

Define Immediate Preoperative Period during Surgery? Nothing should be given by mouth for at least 8 hours before a general surgery so that the stomach has no leftover food at

discuss chromosomal theory of heredity.

Phylum Coelentrat a : (9,000 'species) The body is radial and made up of two cell layers. Gastro-Vascular cavity is saclike, tentacles and stinging cells are present. They may

what is the warmest and coldest parts of the boy

Explain Urine Urea Nitrogen - Nutrition during Stress? 5 gm/24 hrs. = No stress 5 to 10 gm/24 hr = mild hyper-metabolism or level 1 stress 10 to 15 gml24 hrs = moderat

DIFFERENCE S BETWEEN "A" AND "I" BANDS     A-Ban d (Anisotropic band)   I-Ban d (Isotropic band) 1. It

In the eyes light energy is converted to a generator potential in which region