Why rib cage is called Bicephalic?

Why rib cage is called Bicephalic?

Answer: Since the rib bones on the dorsal side have two articulation surfaces, so they are referred to as bicephalic. The first seven pairs of ribs are connected to the thoracic vertebrae dorsally, and are linked to the sternum ventrally. So these ribs are known as true ribs.

What is meant by Bicephalic?

Adjective. bicephalic (not comparable) (zoology) Having two heads.

How many pairs of ribs are Bicephalic in man?

ne a l bone on the verrai une ol thorax There are 12 pairs of ribs. Each rib is thin flat bone connected dorsally to the vertebral column and ventrally to the sternum It has two articulation surfaces on its dorsal end and is hence called bicephalic.

How many ribs are Bicephalic?

There are 12 pairs of ribs. Each rib is a thin flat bone connected dorsally to the vertebral column and ventrally to the sternum. It has two articulation surfaces on its dorsal end and is hence called bicephalic. First sevenpairs of ribs are called true ribs.

What are Bicephalic ribs Class 11?

(i) Bicephalic ribs, each ribs has two articulating surfaces on its dorsal end hence, are called as bicephalic ribs. (ii) True ribs are the first seven pairs of ribs Dorsally these ribs are attached to the thoracic vertebrae and ventrally connected to the sternum with the help of hyaline cartilage.

Are false ribs Bicephalic?

True ribs and false ribs refer to rib pairs that are connected to the sternum directly or indirectly. pairs. Each rib is a thin flat bone that connects the vertebral column dorsally and the sternum ventrally. It is called bicephalic since it has 2 articulation surfaces on its dorsal end.

Are floating ribs Bicephalic?

With respect to rib cage, explain the following (a) bicephalic ribs (b) true ribs (c) floating ribs. Answer: (a) Bicephalic ribs, each ribs has two articulating surfaces on its dorsal end hence are called as bicephalic ribs.