Tubercle (rib)

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Tubercle (rib)
A central rib of the left side. Inferior aspect. (Tubercle labeled at upper right.)
A central rib of the left side, viewed from behind. (Tubercle labeled at center.)
Latin tuberculum costae
Gray's subject #28 124
Dorlands/Elsevier t_21/12828815

On the posterior surface at the junction of the neck and body of the rib, and nearer the lower than the upper border, is an eminence—the tubercle

It consists of an articular and a non-articular portion.

  • The articular portion, the lower and more medial of the two, presents a small, oval surface for articulation with the end of the transverse process of the lower of the two vertebrae to which the head is connected.
  • The non-articular portion is a rough elevation, and affords attachment to the ligament of the tubercle. The tubercle is much more prominent in the upper than in the lower ribs.

Costotransverse articulation. Seen from above.

 This musculoskeletal system article is a stub. You can help Wikipedia by expanding it.
v • d • e
Bones of torso
Sternum Suprasternal notch, Manubrium, Sternal angle, Body of sternum, Xiphisternal joint, Xiphoid process
Rib specific ribs (1, 2, 10, 11, 12, false - 8-12, floating - 11-12) - parts (Angle, Tubercle, Costal groove, Neck, Head)
General vertebral structures body of vertebra, vertebral arch (pedicle, lamina, vertebral notch), foramina (vertebral, intervertebral), processes (transverse, articular / zygapophysis, spinous)
Cervical vertebrae C1 (anterior arch, posterior arch, lateral mass), C2 (dens), C7, anterior tubercle, posterior tubercle, foramen transversarium
Thoracic vertebrae costal facets (superior, inferior, transverse)
Lumbar vertebrae accessory process, mammillary process
Sacrum/coccyx pelvic surface (anterior sacral foramina), dorsal surface (posterior sacral foramina, median sacral crest, medial sacral crest, lateral sacral crest), lateral surface (sacral tuberosity), base, sacral hiatus - presacral space - sacral promontory - sacral canal - ala of sacrum - sacrovertebral angle
Retrieved from "http://en.wikipedia.org/wiki/Tubercle_%28rib%29"
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