Skeletal System

Humans have 5 false ribs. Ribs 8-12 are considered false ribs because they do not have a piece of costal cartilage that connects them directly to the sternum. Ribs 11 and 12 are also considered floating ribs because they do not have any costal cartilage and don't connect to the sternum at all.

The second cervical vertebra (C2), also called the axis, has a projection on it's superior surface called a dens that creates a pivot joint with the vertebra above it (C1), also known as the atlas. The pivot joint between these two vertebra allows 45 degrees of rotation in each direction, which is half the possible rotation of the head.

If a baby's skeleton did not grow, it would cause severe developmental issues and physical deformities. The baby would likely experience difficulties with movement, organ development, and overall growth. This condition could impact their ability to support their bodies and could lead to various health complications later in life.

Yes, the vertebrae of the spine, which make up the spinal column, are distal to the arms. "Distal" means farther from the point of attachment or origin, so the arms attach to the shoulder girdle, while the vertebrae are further down the body away from the arms.

The "funny bone" is not actually a bone, but rather a nerve called the ulnar nerve that runs along your elbow. When you hit your funny bone, you are actually hitting this nerve, causing a tingling or numbing sensation down your arm.

The temporal bone encloses the ear canal. It is a paired bone that is located on each side of the skull. The temporal bone consists of several parts that house structures related to hearing and balance.

well ur body wouldnt be safe ur brain would be seen cause without ur skeletal wpuldnt be protected because the backbone protects the spinal cord that delivers messages between the body and the brain

The primary bone marrow cell type that remains actively mitotic is known as the hemocytoblast.
Osteocytes

The clavicle. This bone is normally not consideredto be part of the shoulder an instead a part of the thorax, which is also true. The reason it is part of the shoulder is that it joint part of the scapula to form the soked of the glenohumeral joint.

The bone you are referring to is the ulna. It is one of the two bones in the forearm, located on the medial (little finger side) of the arm, next to the radius. The ulna plays a key role in stabilizing the arm and forming the elbow joint.

No, osteoclasts and osteoblasts continue to function throughout life to maintain bone health. While the rate of bone turnover may decrease after growth stops, these cells are still active in repairing damaged bone and adapting to changing mechanical stresses. This balance is important for bone remodeling and maintaining bone density.

The trunk skeleton consists of the vertebrae, ribs, and sternum. The vertebrae form the spine and provide support and protection for the spinal cord. The ribs attach to the vertebrae and wrap around the chest, providing structure and protection for the vital organs. The sternum is a flat bone located in the center of the chest, connecting the ribs and providing protection for the heart and lungs.

No, the ulna and humerus do not form a ball and socket joint. The humerus articulates with the ulna at the elbow joint, which is a hinge joint that allows for flexion and extension. The humerus also forms a ball and socket joint with the scapula at the shoulder.

A bone stimulator is a medical device used to promote bone healing by delivering low-level electrical or ultrasound energy to the fracture site. By stimulating the cells responsible for bone formation, it can accelerate the healing process in certain types of fractures. While results vary depending on the specific injury and individual patient factors, bone stimulators have been shown to be effective in aiding in the healing of non-healing fractures or those at risk of delayed healing.

In normal anatomy, flexion is the movement that decreases the angle between the bones that form a joint. A pathological decrease within the joint of the distance between two bones may be termed a "loss of joint space."

The joint between the lateral end of the clavicle and the acromion process of the scapula is the acromioclavicular joint. This joint is sometimes abbreviated "AC joint."

It means there are six lumbar vertebrae that can bear weight in the lower back region of the spine. This condition is rare and can sometimes result in abnormal spinal curvature or other spinal issues due to the extra vertebra.

Yes, the femur is superior to the patella. The femur is the thigh bone and is the longest and strongest bone in the human body, while the patella is a small, flat bone commonly known as the kneecap that sits in front of the knee joint.

The periosteum is a tough fibrous membrane that covers the shaft of a long bone. It contains blood vessels, nerves, and serves as a point of attachment for ligaments and tendons.

Actually, the first cervical vertebra is called the atlas, not the axis. The axis is the second cervical vertebra that forms a pivot joint with the atlas, allowing for rotation of the head from side to side.

The sternocleidomastoid is a muscle that connects to your sternum, and the mastoid process.

The smallest bones in the fingers are the distal phalanges, while the smallest bones in the toes are the distal phalanges as well. These bones are located at the tips of the fingers and toes, closest to the nails.

A diamond on a sugar skull typically symbolizes the memory or remembrance of a loved one who has passed away. It can represent the idea of eternal love or the enduring legacy of that person in the hearts of those who knew them.

Locking up and swelling of the knee could be multiple things, you may have arthritus of the knee, or you could have ripped the meniscus. There is a few other problems that could be wrong but the best way to know is to get an MRI done so they can look at it and see what the problem is.