longissimus definition

  • noun:
    • A muscle of straight back, much more fully known as longissimus dorsi, significant in man because of its great size, creating aided by the sacrolumbalis the erector spinæ, the muscle which assists in keeping the back straight or erect. It takes place under scuba divers adjustments in mammals, birds, etc.

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    • A muscle of straight back, much more fully…
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