| second tibial muscle | An inconstant muscle, of small size, arising from the back of the tibia and inserted into the articular capsule of the ankle joint. Synonym: second tibial muscle. (05 Mar 2000) |
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| pubococcygeal muscle | <anatomy> Fibres of the levator ani, arising from the pelvic surface of the body of the pubis and adjacent tendinous arch of obturator fascia, attaching to the coccyx. Synonym: musculus pubococcygeus, pubococcygeal muscle. (05 Mar 2000) |
| pubococcygeus muscle | <anatomy> Fibres of the levator ani, arising from the pelvic surface of the body of the pubis and adjacent tendinous arch of obturator fascia, attaching to the coccyx. Synonym: musculus pubococcygeus, pubococcygeal muscle. (05 Mar 2000) |
| puboprostatic muscle | <anatomy> Smooth muscle fibres within the puboprostatic ligament. Synonym: musculus puboprostaticus. (05 Mar 2000) |
| puborectalis muscle | <anatomy> The medial part of the musculus levator ani (pubococcygeus muscle) that passes from the body of the pubis around the anus to form a muscular sling at the level of the anorectal junction; it contracts to increase the perineal flexure during a peristalsis to maintain faecal continence and relaxes to allow defecation. Synonym: musculus puborectalis, Braune's muscle, puborectal muscle. (05 Mar 2000) |
| puborectal muscle | <anatomy> The medial part of the musculus levator ani (pubococcygeus muscle) that passes from the body of the pubis around the anus to form a muscular sling at the level of the anorectal junction; it contracts to increase the perineal flexure during a peristalsis to maintain faecal continence and relaxes to allow defecation. Synonym: musculus puborectalis, Braune's muscle, puborectal muscle. (05 Mar 2000) |
| pubovaginalis muscle | <anatomy> In the female, the most medial fibres of the levator ani (pubococcygeus) muscle that extend from the pubis into the lateral walls of the vagina. Synonym: musculus pubovaginalis, pubovaginal muscle. (05 Mar 2000) |
| pubovaginal muscle | <anatomy> In the female, the most medial fibres of the levator ani (pubococcygeus) muscle that extend from the pubis into the lateral walls of the vagina. Synonym: musculus pubovaginalis, pubovaginal muscle. (05 Mar 2000) |
| pubovesicalis muscle | <anatomy> Smooth muscle fibres within the pubovesical ligament in the female. Synonym: musculus pubovesicalis, pubovesical muscle. (05 Mar 2000) |
| pubovesical muscle | <anatomy> Smooth muscle fibres within the pubovesical ligament in the female. Synonym: musculus pubovesicalis, pubovesical muscle. (05 Mar 2000) |
| semispinalis cervicis muscle | <anatomy> Continuous with musculus semispinalis thoracis; origin, transverse processes of second to fifth thoracic vertebrae; insertion, spinous processes of axis and third to fifth cervical vertebrae; action, extends cervical spine; nerve supply, dorsal primary rami of cervical and thoracic spinal nerves. Synonym: musculus semispinalis cervicis, musculus semispinalis colli, semispinal muscle of neck. (05 Mar 2000) |
| semispinalis muscle | <anatomy> The most superficial layer of the three layers of the transversospinal muscle; comprised of semispinalis capitis, semispinalis cervicis, and semispinalis thoracis muscles. Synonym: musculus semispinalis, semispinal muscle. (05 Mar 2000) |
| semispinal muscle | <anatomy> The most superficial layer of the three layers of the transversospinal muscle; comprised of semispinalis capitis, semispinalis cervicis, and semispinalis thoracis muscles. Synonym: musculus semispinalis, semispinal muscle. (05 Mar 2000) |
| semispinal muscle of head | <anatomy, muscle> Origin, transverse processes of five or six upper thoracic and articular processes of four lower cervical vertebrae; insertion, occipital bone between superior and inferior nuchal lines; action, rotates head and draws it backward; nerve supply, dorsal primary rami of cervical spinal nerves. Synonym: musculus semispinalis capitis, musculus complexus, semispinal muscle of head. (05 Mar 2000) |
| semispinal muscle of neck | <anatomy> Continuous with musculus semispinalis thoracis; origin, transverse processes of second to fifth thoracic vertebrae; insertion, spinous processes of axis and third to fifth cervical vertebrae; action, extends cervical spine; nerve supply, dorsal primary rami of cervical and thoracic spinal nerves. Synonym: musculus semispinalis cervicis, musculus semispinalis colli, semispinal muscle of neck. (05 Mar 2000) |