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Concerning the rib cage, explain the following:
(a) Bicephalic ribs
(b) True ribs
(c) Floating ribs

Answers (1)

(a) Bicephalic ribs- each rib has two articulation surfaces at its dorsal end and is called a bicephalic rib.
(b) True ribs- the first seven pairs of ribs are known as the true ribs. They are dorsally attached to the thoracic vertebrae and the sternum ventrally.
(c) Floating ribs- the last two pairs of ribs are not connected ventrally and are called floating ribs.

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