latissimus dorsi muscle

(redirected from musculus latissimus dorsi)

la·tis·si·mus dor·si mus·cle

(lă-tis'i-mŭs dōr'sī mŭs'ĕl)
Origin, spinous processes of the lower five or six thoracic and the lumbar vertebrae, median ridge of sacrum, and outer lip of iliac crest; insertion, with teres major into posterior lip of bicipital groove of humerus; action, adducts arm, rotates it medially, and extends it; nerve supply, thoracodorsal.
Synonym(s): musculus latissimus dorsi [TA] .

latissimus dorsi muscle

Back muscle. Origin: spinous processes of vertebrae T7-S3, thoracolumbar fascia, iliac crest. Insertion: bicipital groove of humerus. Nerve: thoracodorsal (C6-C8). Action: adducts, extends, and medially rotates arm.
See also: muscle
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References in periodicals archive ?
First, we concentrate on the PHCA passing under the fused tendons of the teres major (musculus teres major, TM) and the latissimus dorsi (musculus latissimus dorsi, LD).
A coincidental variation of the axillary artery: the brachioradial artery and the aberrant posterior humeral circumflex artery passing under the tendon of the latissimus dorsi muscle
Zur Anatomie des Musculus Latissimus Dorsi. Oseterreichische Med Wochenschrift 15:454-58, 1846.
Panniculus carnosus, vestigial remanents in the axillary region/Panniculus carnosus, remanentes vestigiales en la region axilar

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