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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

What other salts and heavy metals can also be stored in bones?

Bones can store various salts and heavy metals, including lead, cadmium, and strontium. These elements can accumulate in bones over time through exposure from the environment or diet. Persistent exposure can lead to health issues such as lead poisoning or impaired bone health.

Are phalanges and metacarpals considered long bones?

Yes, phalanges and metacarpals are both considered long bones. Long bones are typically found in the limbs and are longer than they are wide, with a shaft and two ends. Phalanges are found in the fingers and toes, while metacarpals are located in the hand.

What is formation of bone marrow?

Hematopoietic stem cells found in red bone marrow produce all blood cells in the body.

There are two types of bone marrow, red and yellow. Blood is produced in the cells of red marrow. Much of the red marrow inside arm and leg bones is gradually replaced by yellow marrow as a person matures to adulthood. Yellow marrow is composed primarily of specialized fat cells, but in an emergency yellow marrow is replaced by blood-forming red marrow when the body needs more blood.

What refers to the two step process to which bone tissue is recycled?

Bone remodeling refers to the two-step process in which bone tissue is constantly broken down and rebuilt by specialized cells called osteoclasts and osteoblasts. Osteoclasts break down old or damaged bone tissue in a process called resorption, while osteoblasts build new bone tissue in a process called formation.

Are bones dry and dead?

No, if the animal is alive, then the bones are alive. Inside the bones are marrow, which produce new red blood cells. If you fracture a bone, then splint the bone. The cells will grow back together and heal.

What do 3 dots on left wrist mean?

Three dots on the left wrist can be a symbol used in various contexts, such as representing unity, power, and connection. It may also have personal significance to the individual wearing it, like a reminder of past experiences or a symbol of resilience. Ultimately, the meaning of the three dots on the left wrist can vary depending on the person wearing them and their personal beliefs or affiliations.

What is the most superior cranial bone?

The frontal bone is considered one of the most superior cranial bones. It forms the forehead and upper part of the eye sockets, contributing to the overall structure and protection of the brain.

How do intramembranous bones develop?

Steps:

1. Mesenchyme cells differentiate into osteoblasts and start to secrete matrix

2. Osteoblasts form spicules of matrix

3. Spicules trap osteoblasts in lacuna

4. Activity slows

5. Trapped osteoblasts called osteocytes

6. Bone growth proceeds outward from center (ossification center)

7. Spicules thicken into trabeculae (spongy bone)

8. Trabeculae connect (compact bone)

What are differences between monkey and human skull?

Some differences between monkey and human skulls include the size and shape of the braincase, the size and placement of the eyes, the position of the foramen magnum (hole where the spinal cord connects to the brain), and the presence of brow ridges in some monkey skulls. Additionally, human skulls typically have a more pronounced chin and a flatter face compared to monkey skulls.

What wheels are better bones or spitfire?

bones because spitfire gets flatspots and wears down easily. For example when you go to a skatepark everybodys wheels are really small and they are most likely to be spitfire. On the other hand bones is guarenteed no almost no flat spots, look cooler and ride smoothly.

What happens if you break a rib and it punctures the chest wall on the left side?

If a broken rib punctures the chest wall on the left side, it can cause a condition called a pneumothorax, where air enters the space between the lung and chest wall, leading to lung collapse. This can result in chest pain, difficulty breathing, and in severe cases, it can be life-threatening and require immediate medical attention. Treatment may involve chest tube insertion to remove the air and reinflate the lung.

How are bone spurs diagnosed?

Bone spurs are typically diagnosed through imaging studies such as X-rays, CT scans, or MRIs. Symptoms such as pain, swelling, or limited range of motion associated with bone spurs may prompt further investigation using these imaging techniques. In some cases, a physical examination may also help identify the presence of a bone spur.

Is it normal for your ribs to stick out?

Ribs are the framework that provides protection for our lungs, heart, and some other organs. They also hold open a space where the lungs can expand and contract. The muscles that connect them lie between and behind the ribs themselves, so there isn't much except fat between the skin and the bones beneath. Thus, most healthy people at healthy weights have very little padding in that region to conceal the ribs' contour.

That said, if the ribs are visible at any time other than when one takes a deep breath, it might be a good idea to weigh yourself and consult a Body Mass Index chart to determine if you might be underweight for your height. If the numbers don't match up, consult your doctor for solutions.

What is the two groups divided into bones?

The two main groups of bones are axial bones (such as the skull, vertebral column, and rib cage) which form the body's central axis, and appendicular bones (such as the limbs and the shoulder and pelvic girdles) which attach to the axial skeleton and allow for movement.

What is fibrocartilage pad between bones that form the knee?

The fibrocartilage pad between the bones that form the knee is called the meniscus. It acts as a cushion, helps with load-bearing, and provides stability to the knee joint. Injuries to the meniscus can result in pain, swelling, and limited range of motion in the knee.

What is an acrostic for the word skeletal system?

Sure, here is an acrostic for the term "skeletal system":

S - Support: Provides structure and support for the body. K - Keep: Keeps organs in place and protects them. E - Endurance: Helps with movement and provides endurance. L - Locomotion: Enables movement and locomotion. E - Essential: Essential for overall body function. T - Tissue: Comprised of bone tissue and cartilage. A - Axial: Includes the axial skeleton which supports the central axis of the body. L - Leverage: Provides leverage for muscle attachment.

What structure does the coxal bones sacrum and coccyx form?

The coxal bones, sacrum, and coccyx together form the pelvis, which is the bony structure that connects the spine to the lower limbs. This structure provides support for the body and houses and protects the reproductive and digestive organs.

When accessed individually is the femur bone slightly less accurate in determining the height than the humerus bone?

Yes, studies have shown that the femur bone is slightly less accurate in determining height compared to the humerus bone when accessed individually. This is because the femur may be influenced by factors like age, sex, and population variation, which can affect its predictive accuracy for height estimation.

What 3 bones make up the pelvic bone?

First, there are three bones that make up the hip:

1) Ilium
2) Ischium
3) Pubis

As a child these bones are separate, but they fuse during puberty to form the hip bone.

There are also three bones that make up the pelvis or pelvic girdle (or 4 depending how you look at things):

1) Hip bone (actually 2 hip bones, left and right)
2) Sacrum
3) Coccyx

What bone protects the pancreas?

it would be the ribs but they don't directly cover the front of the pancreas they more protect the side of it. Specifically ribs 9-12

Is it bad to be missing 2 ribs?

Having two fewer ribs than normal is a rare condition called congenital rib anomaly, and it usually does not cause any health problems. However, in some cases, it may be associated with other congenital abnormalities or conditions. If you are concerned, it is best to consult with a healthcare provider for further evaluation and advice.

When Do Bone Cells need To divide?

Bone cells need to divide to repair damaged bone tissue, to help with bone growth during childhood and adolescence, and to maintain bone health and structure throughout life. Division of bone cells also occurs in response to mechanical stress, such as weight-bearing exercise, to help strengthen the bones.

What three parts is the sternum made up of?

The xiphoid process is the most inferior portion of the sternum. The superior section is the manubrium, and the medial portion is the body.

What substance is housed in the medullary cavity yet absent in the trabeculae?

The medullary cavity of bones typically contains bone marrow, which is responsible for producing blood cells. Trabeculae, on the other hand, are the structural beams within cancellous or spongy bone that provide support and strength. Bone marrow is not present in the trabeculae.

Do the lacrimal bones contain openings that allow the tear ducts to pass?

Yes, the lacrimal bones contain openings called lacrimal foramina that allow the tear ducts to pass through. These openings are located at the inner corner of the eye and lead to the nasal cavity.