Definition of Sarcomere

1. Noun. One of the segments into which a myofibril is divided.

Group relationships: Myofibril, Myofibrilla, Sarcostyle
Generic synonyms: Segment

Definition of Sarcomere

1. Noun. (muscle) The contractile unit of the myofibril of a striated muscle. ¹

¹ Source:

Definition of Sarcomere

1. [n -S]

Medical Definition of Sarcomere

1. Repeating subunit from which the myofibrils of striated muscle are built. Has A and I bands, the I band being sub divided by the Z disc and the A band being split by the M line and the H zone. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Sarcomere Pictures

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Lexicographical Neighbors of Sarcomere

sarcoma botryoides
sarcoma cell
sarcoma growth factor
sarcoma virus
sarcomastigophora infections
sarcomatoid carcinoma
sarcomere (current term)
sarcophagine synthetase

Literary usage of Sarcomere

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Journal of Anatomy and Physiology by Anatomical Society of Great Britain and Ireland (1898)
"Iu the article referred to above, I pointed out that any increase in the volume of the fluid contents of a sarcomere must tend to cause its side walla to ..."

2. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"This is the portion, situated between two membranes of Krause, which transversely divides the light band. Each sarcomere consists of a central dark part, ..."

3. Anatomy, Descriptive and Applied by Henry Gray (1913)
"In this way the contraction is brought about: under stimulation the protoplasmic material (the clear substance of the sarcomere) recedes into the ..."

4. Anatomy of the Human Body by Henry Gray (1918)
"The sarcomere is situated between two membranes of Krause and consists of (1) a central dark part, which forms a portion of the dark band of the whole fiber ..."

5. Hand-book of Physiology by William Dobinson Halliburton, William Senhouse Kirkes (1901)
"109 —Diagram of a sarcomere in a moderately extended condition, ... widens it and shortens the sarcomere. In the extended muscle, on the other hand, ..."

6. Handbook of Physiology by William Dobinson Halliburton (1913)
"Each sarcomere is occupied by a portion of the dark stripe of the whole fibre; this portion of the dark stripe may be called a ..."

7. A Manual of Physiology: With Practical Exercises by George Neil Stewart (1918)
"The sarcomere is thus lengthened and narrowed, while the existence of Schafer's pores is not admitted by all ol servers, there is a pretty general agreement ..."

8. Transactions of the Royal Society of South Australia by Royal Society of South Australia (1905)
"Page 105: — "Comparing the structure of the sarcomere with that of the protoplasm of an amoeboid cell, we find in both a framework ..."

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