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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

Why the bottom of my heel hurts when you press against the bone?

i think because you might have bruised it maybe it doesn't look like it on the outside but one the inside you might have bruised the bone and if it doesn't heels in 24 hours you should go see your physician

What is a splintered bone?

A splintered bone refers to a bone that has broken into multiple fragments. This can occur from a high impact injury or a crushing force being applied to the bone. Splintered bones can be more complex to treat and may require surgical intervention to realign and stabilize the fragments.

Is the kneecap bone or cartilage?

Palette The knee joint is the junction of three bones-the femur (thigh bone or upper leg bone), the tibia (shin bone or larger bone of the lower leg), and the patella (kneecap). The patella is about 2 to 3 inches wide and 3 to 4 inches long. It sits over the other bones at the front of the knee joint and slides when the leg moves. It protects the knee and gives leverage to muscles.
The knee as a whole is more a joint.

The knee cap is called a patella (bone).

What is the name of the joint at the distal end of the femur and proximal end of the tibia that the patella overlaps?

The joint at the distal end of the femur and proximal end of the tibia where the patella overlaps is called the knee joint. It is a hinge joint that allows for flexion and extension of the leg.

Increasing the size of the thoracic cavity causes?

Increasing the size of the thoracic cavity allows for the lungs to expand, creating negative pressure inside the chest cavity. This negative pressure pulls air into the lungs, facilitating inhalation. Additionally, it helps to maintain airflow and efficient gas exchange in the respiratory system.

How do cable acceleration systems work?

The cable is attached to the pedal when you apply pressure to the pedal it pulles the cored and then that opens the carburetor venturi, letting more gas in the moter letting the car accelerate.

Carpal bone that articulates with ulna?

No carpal bone articulate with the ulna. Ulna takes part in elbow joint and radius in wrist joint. The inter-osseous membrane between the two bones, plays very important role in transmission of the force across the fore arm. The best of the architect would not have imagined this type of transmission of the force.

How many metacarpal bones in a cow?

A cow has five metacarpal bones in each forelimb. These bones are located between the carpals (wrist bones) and the phalanges (finger bones) and help provide structure and support to the hoof.

What are the bones of the wrist and ankle called?

Short bones-their main purposes are to provide support and stability.

The sphenoid bone is located where?

The sphenoid bone is one of the skull bones and is located relatively deep within the skull. It is only very slightly visible from an exterior view of the skull. Looking side on to a skull it is right between the temporal bone and the zygomatic bone, in other words it is the small section beneath the Pterion. It is also visible when looking into the orbit (with the eye removed) as the bone with the superior orbital fissure through it.

How much force is needed to puncture the skull?

Depending on the strength of the skull itself, and the density of the bone itself. If you're looking for something that is blunt force, it would require a well tuned striking motion to actually make a hole. However if you are looking for something like a drill, just the same pressure you use to brush your teeth, the machine will do the rest. Sharp objects would require about the same pressure as a punch however. You need to be careful for damaging the brain too much however, the pressure release to the brain itself wont truly do long term damage, but if you hit the brain itself, that's where the damage comes in. Not sure what you're looking to gain from this knowledge, but there it is.

Ligaments that connect bones are anchored to the?

the answer would be bones ligaments join bones together bones
Muscles, tendons, ligaments and joints all work together to produce movement due to the fact that they are all attached.

Is the patellofemoral joint a gliding joint?

Yes, the patellofemoral joint is considered a gliding joint. This joint allows for gliding and sliding movements between the patella (kneecap) and the femur, facilitating the extension and flexion of the knee.

Bones used in a sit up?

During a sit-up, the primary bones used are the vertebral column (spine) and the pelvic bones (hip bones). The spine provides support and flexibility, while the pelvic bones anchor the lower body and help stabilize the movement.

What is the term for a fracture of the distal end of the radius and ulna?

A fracture involving the distal end of the radius and ulna is commonly referred to as a distal radius and ulna fracture. It can also be called a distal forearm fracture. This type of fracture often occurs as a result of a fall onto an outstretched hand.

4 reasons why problems occur to the skeletal system?

  1. Poor posture and body mechanics can lead to skeletal problems such as misalignment of the spine or joints.
  2. Overuse or repetitive stress on the bones and joints can cause injuries like stress fractures or tendinitis.
  3. Nutritional deficiencies, especially in calcium and vitamin D, can weaken bones and lead to conditions like osteoporosis.
  4. Aging can lead to natural wear and tear on the skeletal system, resulting in conditions like arthritis or degenerative disc disease.

Pains in your pelvis what does it mean?

Pain in the pelvis can have various causes, including muscle strain, reproductive organ issues (such as ovarian cysts or endometriosis in women, or prostate problems in men), urinary tract infections, or digestive issues. It's important to consult a healthcare provider to determine the underlying cause of the pain and receive appropriate treatment.

What is formed in red bone marrow and are the most common type of white blood cells?

Red bone marrow forms leukocytes, or white blood cells, which are crucial components of the immune system. Neutrophils are the most common type of white blood cell and play a key role in fighting off infections and foreign substances in the body.

Examples of bones for axial skeleton?

Examples of bones in the axial skeleton include the skull, vertebral column, ribs, and sternum. These bones play a crucial role in protecting the central nervous system and supporting the body's structure.

Bump apppeared on forearm after meth injection how to treat at home?

An abscess is a localized collection of pus in a part of the body, surrounded by an inflamed area. The area will most likely look like a giant boil or cyst that can become extremely red and infected. If you don't use a sterile syringe and clean yourself up carefully, the risk of getting an abscess is high.

Depending on how bad it looks and the severity of it (if you don't see any red streaks or have hot puffy skin around the abscess), you can treat it at home with a hot soak. Soaking helps draw out the infection and can help the abscess come to a head, open up and drain.

To hot soak:

Soak the affected area in a tub of plain hot water and Epsom salts. This works especially well if the abscess is on your hand or lower arm.

Hold a hot, wet washcloth over the abscess if it's in a spot you can't easily put under water.

Soak for at least 10 to 15 minutes at each time, 3 or 4 times a day.

If you have a really bad infection, you may need to go to the clinic and ask to be put on antibiotics. The health care worker will probably need to drain the pus to relieve the infection.

You must go to a clinic if:

It has not improved after 5 to 7 days.

The lump gets bigger and more painful.

You see red streaks spreading out from the lump.

The lump is hot, puffy and pink.

You get a fever.

Go to the Emergency Room if:

You have chest pains.

You have chills or a high fever.

The infection looks like it is spreading really fast.

You can get help for abscesses at the Wound and Abscess Drainage Treatment 4C (The ISIS Clinic) at San Francisco General Hospital, 1001 Potrero Avenue. Their hours are Monday thru Friday 8:00-4:00 PM. To make an appointment or to get more information, call them at (415) 206-8287.

If you need help after these available hours, go to the Emergency Room at SFGH.

To have abscesses drained at the ISIS Clinic, you must not eat or drink anything for at least 6 hours before seeing the doctor.

You must have someone come to the clinic with you so they can escort you home.

Substance use counselors are available at the clinic Monday, Wednesday and Friday from 8:30 AM to 12 noon.

How to reduce your risk:

When you are injecting, it is always important to use sterile equipment. If this is not possible, use bleach to clean all of your works before reusing them.

Here are eight steps to reduce your risk:

(1) Always use a brand new syringe every time you inject.

(2) Wash your hands first and then the injection site with warm, soapy water. Getting bacteria into the injection site is a leading cause of abscess.

(3) Use an alcohol pad to cleanse the injection site. Take the alcohol pad and wipe back and forth where you plan to inject. Press hard and use as many pads as you need to get the dirt off the skin. Use a second pad and press down on the injection spot. This time, wipe in a circle. Start with small circles and make bigger circles as you go. This will push any leftover dirt and bacteria on your skin away from the spot where you're going to shoot.

(4) Use a clean container to mix your hit.

(5) Filter the hit well. Use brand new cotton every time you draw up a hit.

(6) Rotate the injection sites. It will give your skin and vein tissue a chance to heal.

(7) Get a tetanus booster shot. If you inject, it is a good idea to get one every 5 years. You can get one at a City Clinic.

(8) Do not muscle or skin-pop crystal meth. It will likely cause an abscess. It is also very painful.

The 5' cap of mRNA is important for what?

The 5' cap of mRNA is important for several reasons: it protects the mRNA from degradation by exonucleases, helps in the recognition and binding of the mRNA by the ribosome for translation, and is essential for efficient splicing of introns.

Why is the external nose not part of the bony skull?

The external nose is not part of the bony skull because it is mainly composed of cartilage and soft tissue structures rather than bone. The bony skull provides structural support for the brain and sensory organs, while the external nose functions primarily for olfaction and breathing, hence it's not part of the bony skull.

Boa constrictors have tiny pelvic girdles and legs bones within their bodies that are nonfunctional what is that called?

The nonfunctional vestigial pelvic girdle and limb bones in boa constrictors are referred to as pelvic spurs or pelvic vestiges. These remnants are thought to be remnants of their evolutionary history when their ancestors had functional legs.

Bone remodeling in adults is regulated and directed mainly by?

Bone remodeling in adults is mainly regulated and directed by the balance between osteoclast-mediated bone resorption and osteoblast-mediated bone formation. This process is influenced by various factors, including hormones (such as parathyroid hormone and calcitonin), mechanical loading, and local factors in the bone microenvironment. Imbalances in this regulation can lead to conditions like osteoporosis or osteopetrosis.