longissimus thoracis muscle

lon·gis·si·mus tho·ra·cis mus·cle

(lon-jis'i-mŭs thō-rā'sis mŭs'ĕl)
Origin, with iliocostalis and from transverse processes of lower thoracic vertebrae; insertion, by lateral slips into most or all of the ribs between angles and tubercles and into tips of transverse processes of upper lumbar vertebrae, and by medial slips into accessory processes of upper lumbar and transverse processes of thoracic vertebrae; action, extends vertebral column; nerve supply, dorsal primary rami of thoracic and lumbar spinal nerves.
Synonym(s): musculus longissimus thoracis [TA] , thoracic longissimus muscle.
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References in periodicals archive ?
The characteristics of muscle fiber types of longissimus thoracis muscle and their influences on the quantity and quality of meat from Japanese black steers.
Heat shock protein B1 and its regulator genes are negatively correlated with intramuscular fat content in the Longissimus Thoracis muscle of Hanwoo (Korean cattle) steers.
A cross-sectional portion of the intramuscular adipose tissue was collected from longissimus thoracis muscle at the 6th to 7th thoracic vertebrae, and a portion of skeletal muscle tissue was sampled from Japanese Black carcasses.
Briefly, total lipid was extracted by adding 1 mL of n-hexane to approximately 10 mg of intramuscular adipose tissue of longissimus thoracis muscle.
Part 1: Influence of stall finishing duration on lipid classes and fatty acids in the longissimus thoracis muscle.
This may be due to the increased intramuscular fat content in the longissimus thoracis muscle of the heavier animals.
Physical characteristics of Longissimus thoracis muscle of male buffaloes grazed on guinea grass (GG), on guinea grass and the legume Stylosanthes guianensis (GL), and fed with guinea grass and concentrate at an amount of 1.
0 cm in diameter) for longissimus thoracis muscle, 3 locations 2.
The areas of the longissimus thoracis muscle in particular were relatively strongly correlated with semispinalis dorsi muscle (r = 0.
2000) found a positive relationship between percentage of [alpha] red type fiber and cooking loss in longissimus thoracis muscle of 27 month old Japanese Black steers while percentages of [beta] red and [alpha] white type fibers showed no relationship with drip loss.
2000) found no significant correlation between muscle fiber area and cooking loss in longissimus thoracis muscle of 27 month old Japanese Black steers.
Addition of Mg to diets increased the redness of the longissimus thoracis muscle of growing-finishing pigs (Apple et al.