Vertebral, Hyoid Bone, Rib Cage Flashcards
How many cervical vertebrae are there and what are their functions?
There are 7 cervical vertebrae in the neck. C1 (atlas) supports the skull, and C2 (axis) allows rotation.
How many thoracic vertebrae are there and what is their connection?
There are 12 thoracic vertebrae in the upper back, each attached to a rib.
What are lumbar vertebrae and their characteristics?
There are 5 large lumbar vertebrae in the lower back, designed for weight-bearing.
What is the sacrum and its structure?
The sacrum consists of 5 fused vertebrae connecting to the pelvis.
What is the coccyx?
The coccyx, or tailbone, is made of 4 fused vertebrae.
Where is the hyoid bone located and what is its function?
The hyoid bone is located in the neck and is not connected to other bones. It supports the tongue.
What are the components of the rib cage?
The rib cage includes the sternum and ribs.
What are the parts of the sternum?
The sternum includes the manubrium, body, and xiphoid process.
How are the ribs categorized?
There are 12 pairs of ribs: true ribs (1-7) directly attached to the sternum, false ribs (8-10) attached indirectly, and floating ribs (11-12) not attached to the sternum.