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Skeletal System

The skeletal system provides definite shape and mechanical support to the body, and it also helps in movement and locomotion. Ask questions about the skeletal system and bones here.

14,490 Questions

Bones are covered and lined by a protective tissue called periosteum The inner osteogenic layer consists primarily of?

The inner osteogenic layer primarily consists of osteoblasts, which are responsible for bone formation, as well as osteoprogenitor cells that can differentiate into osteoblasts. This layer is important for bone growth, repair, and remodeling.

The bone type that is often encircled by a ring?

If you are in the Anatomy Class with Baker, I believe it is a joke and supposedly the answer is PHALANX. A finger bone usually has a ring on it.

I am in anatomy doing the cross word puzzle, this answer is too funny to me. baker is LOONEY, but I think hes a great and passionate instructor.

Where is the coller bone in your body?

You know that hard bit along your shoulders and going along above your chest. Well that is it.

What is excessive and abnormal bone remodeling?

Excessive and abnormal bone remodeling refers to a condition where there is an imbalance between bone formation and bone resorption processes. This can lead to weakened bones, increased risk of fractures, and conditions like osteoporosis or Paget's disease. Treatment may involve medications to regulate bone turnover and promote bone strength.

Has there ever been a F1 driver that has broken a bone?

Yes, there have been several F1 drivers who have broken bones during their careers. Broken bones are not uncommon in high-speed crashes that can occur in Formula 1 racing. Drivers have suffered broken legs, arms, wrists, and other bones as a result of accidents on the track.

Is the sternum a long bone?

The sternum is a flat bone or membranous bone. It does not have a central medullary canal like long bones.

For more information on bones & Joints particularly

visit www.kneeindia.com

Who has a wider pelvis Men or Women?

Women typically have wider pelvises than men. This is because women's pelvises are adapted to accommodate childbirth, with a wider pelvic inlet and subpubic angle. Men's pelvises are usually narrower and more compact in comparison.

Are veins in cartilage?

No, cartilage does not contain veins. Cartilage is a type of connective tissue that is avascular, meaning it does not have blood vessels like veins. Instead, nutrients and oxygen are diffused through the matrix of the cartilage from nearby blood vessels.

What muscle moves bones?

There are three types of muscle in your body: striated, smooth and cardiac. The striated muscle is also called skeletal muscle and it is this type of muscle that moves your joints. Skeletal muscles are attached by tendons to the bones that they act on.

What are facts about the femur?

  1. Identification
    • The femur is attached to the pelvis and knee cap, which makes it the longest bone in the body. The National Space Biomedical Research Institute states the average adult femur measures 20 inches and is more than 1 inch in width.

    Stability
    • The femur connects to the pelvis socket, which creates the hip joint. This joint provides the entire body with stability, especially during moments of intense movement.

    Knee Movement
    • The front of the femur is shaped to support the patella, or kneecap. When a leg is extended, the grooves in the front of the femur allow the patella to safely move upward. When the knee is bent, the groove allows the patella to move downward. The movement of the patella supported by the femur enables efficiency of the leg muscles, according to Health Line.

What bone receives the weight of the body when sitting?

The ischial tuberosities, also known as the sit bones, receive the weight of the body when sitting. They are the bony prominences at the bottom of the pelvis that make contact with a chair or surface when seated.

What bone of the skull articulates with the atlas?

The occipital bone of the skull articulates with the atlas, which is the first cervical vertebra. This joint allows for the nodding motion of the head.

What is the composite bone that articulates with the hip bone laterally?

The sacrum is the composite bone that articulates with the hip bone laterally at the sacroiliac joint. The sacrum is a large, triangular bone at the base of the spine formed from the fusion of several vertebrae.

Formation of bone marrow?

Bone marrow is formed through a process called hematopoiesis, where stem cells differentiate into different blood cell types. In embryos, bone marrow forms from mesodermal tissue, and as development progresses, it becomes the primary site for blood cell production in adults. Hematopoietic stem cells within the bone marrow constantly divide and differentiate to replenish the body's blood cells.

Which bones articulate with the clavicle?

The bones that articulate with the clavicle are the manubrium of the sternal end, and the acromion of the scapula.

Different between carpal bone and tarsal bone?

Carpal bones are found in the wrist, while tarsal bones are found in the ankle. Carpal bones are more numerous (8) compared to tarsal bones (7). Carpal bones are involved in wrist movement and support, while tarsal bones support the ankle and foot.

What do bones start as?

All bones start as cartilage and over time they turn to bone.

Bone that is composed of the ilium ischium and pubis?

The bone composed of the ilium, ischium, and pubis is called the pelvis. It is a large, sturdy bone structure located in the lower part of the trunk and plays a crucial role in supporting body weight and protecting internal organs in the pelvic cavity. The pelvis also serves as an attachment point for various muscles involved in movement and stability.

How do bones stay together?

Bones are attached by ligaments ...
Bones are attached by ligaments ... held in place by joints ...

ANS2:Ligaments hold most joints together. Bones that don't move, like the bones of the skull are held together by what are called "sutures".

Why the second rib is classified as atypical rib?

The second rib is classified as an atypical rib because it does not follow the typical rib anatomy pattern. It has a longer and more curved body compared to other ribs, with a prominent angle where it articulates with the sternum. These differences make the second rib distinct from the other ribs in the rib cage.

What is the affect on blood flow on the radius vessels?

The relationship between blood flow through a vessel and the radius of the vessel can be expressed as BF=1/pi r4 (where pi is equal to 3.14.....). So a change in the radius of a vessel has a large effect on the blood flow through the vessel.

Where is the wrisberg ligament located?

The ligament of Wrisberg is in the knee. It runs from the medial femoral condyle behind the posterior cruciate ligament to the posterior horn of the lateral meniscus. If the ligament runs in front of the posterior cruciate ligament, it is a ligament of Humphries.

Why do bodies need bones?

Without bones you would not be able to have control of your body, without bones you would be all floppy. Also for support so that you can keep your shape and for organ protection, e.g your ribs protect your lungs and heart.

What causes inflamed spine?

Inflammation of the spine can be caused by conditions such as ankylosing spondylitis, which is a type of arthritis that primarily affects the spine, as well as infections like spinal osteomyelitis or discitis. Other potential causes include autoimmune diseases, such as rheumatoid arthritis or lupus, and conditions like spinal stenosis or herniated discs.

How many bones are facial bones in the bones of a human skull?

There are 14 Facial bones :

* mandible

* maxilla (2)

* palatine bone (2)

* zygomatic bone (2)

* nasal bone (2)

* lacrimal bone (2)

* vomer bone

* inferior nasal conchae (2)