thoracic vertebrae
12 vertebrae have ribs attatched
they are defined as floating ribs
There are twelve pair of ribs. The first seven ribs are true ribs because they have direct attachment to the sternum. An additional three pair of ribs have indirect attachment to the sternum meaning that they attach to other structures that attach to the sternum. The last two ribs are called floating ribs because they do not attach to the sternum at all. Because the floating ribs do not attach to the sternum they are prone to injury.
The thoracic vertebra
All attach to a vertebra, The upper 6 also attach to the sternum, the bottom 6 just "float".
ANSWER:Yes they are. See the related link for more information on this.
12 pair : 6 thoracic & 6 floating.
The ribs are attached at the thoracic region of the spinal column. There are twelve vertebra that make up the thoracic spine. Which can be referred to as T1, the top of the thoracic spine through the bottom of the thoracic spine T12 or T1 - T12. The twelve pair of human ribs are classified as True ribs, False ribs and Floating ribs depending on the ribs pair location on the thoracic spine.
Floating ribs (ribs 11 and 12) do not articulate with the sternum directly but are attached only to the thoracic vertebrae in the back. They are considered "floating" because they lack an attachment to the sternum or cartilage.
The three types of ribs are true ribs, false ribs, and floating ribs. True ribs (ribs 1-7) are directly attached to the sternum via costal cartilage. False ribs (ribs 8-10) are indirectly connected to the sternum through the cartilage of the ribs above them, while floating ribs (ribs 11-12) do not attach to the sternum at all, ending in the muscle of the abdominal wall. This anatomical arrangement provides structural support and flexibility to the thoracic cavity.
Floating ribs are a type of false ribs. False ribs are ribs that do not directly attach to the sternum through cartilage, and they include both floating ribs (ribs 11-12) and ribs 8-10, which are attached to the sternum indirectly through cartilage.
Yes, the top two pairs of ribs (11 and 12) are often called floating ribs because they do not attach to the sternum or cartilage like the other ribs. Instead, they only attach to the vertebrae in the back, giving them a floating or free-floating appearance.