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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 is the function of the trabeculae in spongy bone?

Trabeculae in spongy bone provide structural support and help distribute forces within the bone. They also contain red bone marrow, where blood cells are produced.

What are the spongy porous bone tissue called?

Spongy bone tissue is not as highly arranged as compact bone tissue because it doesn't do as much of the weight supporting function as compact bone. Its tissue is arranged in a sponge-like pattern of bony plates called trabeculae. The spaces between these trabeculae are filled with bone marrow which is where our blood cells are made. Spongy bone makes up most of the tissue of flat, short, and irregularly shaped bones.

In which part of the body is thigh bone at?

The thigh bone, or femur, is usually the longest single bone in the body. Its length is exceeded only by the spinal column, which is formed of many smaller bones (vertebrae).

What is a type of fracture in which the bone has injured another organ such as a broken rib piercing a lung?

This type of fracture is known as a traumatic or penetrating fracture. It occurs when the broken bone tears or punctures surrounding tissue or organs, leading to potential complications and additional injury beyond the fracture itself. Prompt medical attention is essential to address both the fracture and any associated organ damage.

Does rheumatoid arthritis cause cracking bones not literally like breaking but cracking noises?

Rheumatoid arthritis can cause joint damage, leading to inflammation and cartilage deterioration, which may result in cracking or popping sounds when moving the affected joints. These sounds are often due to changes in joint structures and the accumulation of excess fluid within the joints. Consulting a healthcare professional for an accurate diagnosis and appropriate management is essential.

What cells produce new bone?

Osteoblasts are the bone cells responsible for producing new bone tissue. They deposit minerals like calcium and phosphate onto the bone matrix, which helps strengthen and mineralize the bone. Osteoblasts are crucial for bone formation and repair.

Why are there discs of cartilage between the bones in the vertebral column?

The reason there are discs of cartilage between the bones in the vertebral column is because it is to cushion the vertebrae from grinding against each other, which is what happens when arthritis/age sets in, causing the discs of cartilage to erode and letting the vertebrae grind against each other/crush the spinal cord, causing pain and/or paralysis

What makes the radius bone lateral to the ulna?

The anatomical position of the radius bone (forearm bone) in relation to the ulna bone is due to the positioning of the thumb in the human hand. The radius is located lateral (on the same side as the thumb) to the ulna bone when the palms are facing up. This positioning allows for rotation of the forearm and greater range of motion in activities like grasping and rotating objects.

What bone in the skull is a definitive feature of mammals?

Actually, it's the lack of bones. Mammals' jaws have only the dentary (the lower jaw bone) and the squamosal (the upper jaw bone). Non-mammalian amniotes have two more bones in the skull: the articular in the lower jaw and the quadrate in the upper jaw. In them, the articular and the quadrate fuse to form the joint. In mammals, the articular is the malleus of the middle ear, and the quadrate is the incus.

What type of cartilage is attached to the sternum?

The type of cartilage that is attached to the sternum is hyaline cartilage. This specific type of cartilage provides cushioning and structural support to the sternum, helping to allow for rib cage movement during breathing.

Which bones form the viscerocranium?

The eye socket is formed from the frontal, sphenoid, palatine,ethmoid, lacrimal, maxilla, and zygomatic bone. The "brain case" or cranium is made of the frontal, parietal, occipital, temporal, sphenoid, and ethmoid bone.

What are the consequences of the cartilage in your knee joint wearing out?

When cartilage in the knee joint wears out, it can lead to pain, stiffness, swelling, and limited range of motion. This can result in osteoarthritis, where the bones may rub against each other causing further damage and inflammation. Severe cases may require surgery to repair or replace the damaged cartilage.

Why do women have the extra ribs?

Women do not have extra ribs. Both men and women typically have the same number of ribs (12 pairs). This misconception may stem from religious texts referencing the creation of Eve from one of Adam's ribs in the Bible.

What bone makes up the heel?

There is more than one bone in the heel. The group of bones in the heel are called the tarsal bones. The tarsal bones include the Calcaneus, Talus, Navicular, Medial cuneiform, Intermediate cuneiform, Lateral cuneiform and the Cuboid

Which is a common element in the human body that is located mostly in bones?

Calcium is the most common mineral in the body. It makes up 2% of your total body.
Phosphorus is the second at 1%.
Bone function is the first role calcium plays, next it is essential for blood clotting, stabilizing blood pressure, normal brain function and communicating essential information among cells.

What 3 bones contribute to the knee joint?

The three bones that contribute to the knee joint are the femur (thigh bone), tibia (shin bone), and patella (kneecap). These bones work together to allow for the movement and stability of the knee joint.

What is the lateral bone of the lower arm?

The lateral bone of the lower arm is the radius. It runs parallel to the ulna and is located on the thumb side of the forearm. The radius helps to enable rotation of the forearm and provides attachment points for muscles that move the hand and wrist.

What are the fibrous bands that attach bone to bone called?

The ligaments are the bands of tissue that connect bones to each other. Ligaments are made up of connective tissue and are similar to tendons. The connective tissue that makes them up is tough, flexible and fibrous. They are made up of collagen fibres. Weight for weight they are as strong as steel wires. Tendons are also strong elastic bands of tissue, but they connect bones to muscle within a joint.

Can positive stress help make stronger bones?

Yes, positive stress in the form of weight-bearing exercise can help increase bone density and make bones stronger. Activities like weightlifting, walking, or running can stimulate bone growth and improve overall bone health. Regular exercise can also help prevent conditions like osteoporosis.

Why did the artist prince have 2 ribs removed?

There is a widespread myth that Prince had his ribs removed to enhance his flexibility or appearance, but this is unsubstantiated. There is no evidence to support this claim, and it is likely just a baseless rumor.

What two bones are involved in a patella tendon harvest for an ACL reconstruction?

The patella tendon harvest for an ACL reconstruction involves the patella (kneecap) and the tibia (shin bone). The central portion of the patella tendon, which connects the patella to the tibia, is typically harvested for use in ACL reconstruction surgery.

What type of sutures are used for a thyroidectomy?

For a thyroidectomy, typically absorbable sutures, such as Vicryl or PDS, are used for closure of the incision. These sutures dissolve over time and do not need to be removed. Occasionally, skin staples may also be used for closure.

Where is the 'Atlas' bone in the human body located?

around the cervical area, C1, that holds up your head.

Not really an answer! now I have to ask:"where is the cervical area C1?"

C1 is the topmost vertebra. Along with C2, it attaches the skull to the spine.

How about a picture or diagram?

Thanks!

What bone is distal to the femur?

Yes, the patella is distal to the femur. This is because the patella is more distant than the femur to the attachment point to the trunk of the body. You can also say the femur is proximal to the patella.