Axial skeleton LU 3

Front

What is the axial skeleton?

Back

The axial skeleton consists of the bones that form the long axis of the body, including the skull, vertebral column, and rib cage.

Front

What are false ribs?

Back

False ribs are the last five pairs of ribs that do not attach directly to the sternum. They are either indirectly connected to the sternum or not connected at all.

Front

What is the function of the mandible?

Back

The mandible, or lower jaw, is responsible for holding the lower teeth in place and is involved in chewing and speaking.

Front

What are the rami of the mandible?

Back

The rami are the vertical portions of the mandible that connect to the skull and support the jaw.

Front

What is the significance of the nasal bones?

Back

The nasal bones are two small oblong bones that form the bridge of the nose and support its structure.

Front

What is the clavicular notch?

Back

The clavicular notch is the area on the sternum where the clavicle (collarbone) articulates.

Front

What are palatine bones?

Back

Palatine bones are L-shaped paired bones located at the back of the oral cavity, contributing to the formation of the hard palate.

Front

What is the difference between true ribs and floating ribs?

Back

True ribs are the first seven pairs of ribs that attach directly to the sternum, while floating ribs are the last two pairs that do not attach to the sternum at all.

Front

What is the function of costal cartilage?

Back

Costal cartilage connects the ribs to the sternum, allowing for flexibility and expansion of the rib cage during breathing.

Front

What is the sternal angle?

Back

The sternal angle is the angle formed between the manubrium and the body of the sternum, marking the location of the second rib.