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Myofibrils

(noun) Plural form of myofibril.

See myofibril for definition and additional information.


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Since each myofibrill is attached at either end of the.....

Myofibrils are just organelles within muscle cells that contain sarcomeres, which are the basic unit of muscle fibres. They span the entire length of muscle cells and are made of contractile actomyosin that allows them to ...

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by Babybel56
Sat Apr 23, 2011 7:30 pm
 
Forum: Human Biology
Topic: Since each myofibrill is attached at either end of the.....
Replies: 1
Views: 5707

An interesting essay I need help with

... to travel so quickly along a nerve to a muscle. Next, explain and draw the detailed structure of a skeletal muscle fiber, including organelles, myofibrils, arrangement of myofilaments, and other proteins. And, how these structures enable a muscle cell to contract. If your dream date refuses ...

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by kimmay818
Fri Oct 08, 2010 5:04 am
 
Forum: Human Biology
Topic: An interesting essay I need help with
Replies: 0
Views: 3808

Re: Who named Mitochondria?

Kolliker described conspicuous "granules" aligned between the striated myofibrils of muscle, and Flemming observed "filaments" in the cytoplasm of other cell types. In 1890 Altmann discovered a method of staining these structures with fuchsin ...

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by lb
Sat Oct 14, 2006 11:31 pm
 
Forum: Microbiology
Topic: Who named Mitochondria?
Replies: 14
Views: 20019

Re: Q's-Can someone please check my answers

... contracts, the width of the A-band remains unchanged. 2-When a muscle contracts, the width of the sarcomeres shrink, and the length of the myofibrils decreases. 3-The length of the thick filaments in a sarcomere corresponds to the width of the A-band. 4-A sarcomere is a portion of a muscle ...

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by ComputerStud
Wed May 31, 2006 2:25 am
 
Forum: Physiology
Topic: Q's-Can someone please check my answers
Replies: 4
Views: 9811

Q's-Can someone please check my answers

... contracts, the width of the A-band remains unchanged. 2-When a muscle contracts, the width of the sarcomeres shrink, and the length of the myofibrils decreases. 3-The length of the thick filaments in a sarcomere corresponds to the width of the A-band. 4-A sarcomere is a portion of a muscle ...

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by biology_06er
Sun May 21, 2006 8:40 am
 
Forum: Physiology
Topic: Q's-Can someone please check my answers
Replies: 4
Views: 9811


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