Veterinary Anatomy: Ribs

Ribs

Costae forming the thoracic skeleton.

Costal Cartilage

Cartilaginous part connecting ribs to sternum.

Sternal Ribs

First nine ribs articulating with the sternum.

Asternal Ribs

Last four ribs not articulating to the sternum.

Costal Arch

Formed by cartilages of last ribs.

Floating Ribs

Thirteenth pair ending freely in musculature.

Os Costale

Bony part of a rib.

Caput Costae

Head of the rib at vertebral extremity.

Collum Costae

Neck of the rib connecting to the body.

Tuberculum Costae

Tubercle of the rib near the neck.

Corpus Costae

Body of the rib, cylindrical in shape.

Angulus Costae

Curvature of the rib distal to the tubercle.

Sternum

Unpaired series of bones forming thorax's ventral boundary.

Sternebrae

Segmental bones making up the sternum.

Intersternebral Cartilage

Cartilage joining consecutive sternebrae.

Manubrium

First and longest sternebra of the sternum.

Xiphoid Process

Last sternebra, wide and flat.

Xiphoid Cartilage

Cartilage prolonging the xiphoid process.

Thoracic Skeleton

Includes ribs, sternum, and vertebral column.

Dog Ribs Count

Typically 13 pairs of ribs in dogs.

Costae Spuriae

Another term for assternal ribs.