Rib
Videos
In vertebrate anatomy, ribs are the long curved bones which form the rib cage, part of the axial skeleton. In most tetrapods, ribs surround the thoracic cavity, enabling the lungs to expand and thus f
Collection of single ribs in the Faculty of Education of Charles University
Skeleton of a dog showing the location of the ribs
Rib cage of the big brown bat (Eptesicus fuscus)
Shark
Videos
Sharks are a group of elasmobranch cartilaginous fishes characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side, and pectoral fins that are not fused to the he
Rib
…ribs, and enclose the lower body, often joining at the tips. Not all species possess both types of rib, with the dorsal ribs being most commonly absent. Sharks, for example, have no ventral ribs, and only very short dorsal ribs. In some teleosts, there may be additional rib-like bones within the muscle mass…
Corl 0207
Fossil shark tooth (size over 9 cm or 3.5 inches) with crown, shoulder, root and root lobe
A collection of Cretaceous shark teeth
The teeth of tiger sharks are oblique and serrated to saw through flesh