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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 bones make up the floor of your skull?
The calvarium, or skullcap, is made up of the superior/uppermost portions of the frontal bone, parietal bones and occipital bone.
The calvarium is just a portion of the neurocranium, and is the part of the skull removed when you wish to extract the brain. It does not include the temporal bones.
Can the epiphyseal plate be seen in both the external and cutaway views of an adult long bone?
No, the epiphyseal plate is only visible in the cutaway view of a long bone in an adult. In the external view of an adult long bone, the epiphyseal plate has ossified and is no longer visible since it has become the epiphyseal line.
How many bones are fused together to make the sacrum?
The sacrum is formed by the fusion of five vertebrae.
How many carpals do you have in one hand?
In one hand there are eight Carpal bones and in both hand there are sixteen Carpals Bones.
In one hand there are five Metacarpal Bones and in both hand there are ten Metacarpal Bones.
By: Elisha Alam
How often can you have your knee drained?
No. I have a significant fear of needles and had my knee drained of fluid followed by a cortisone injection. The doctor used a freeze/numbing spray on my knee topically and then injected the knee with some type of anesthetic. The only minor pain I felt was the injection for the anesthetic. I did not feel any pain while the fluid was being drained or the cortisone shot administered.
What forarm bone articulates with most of the carpals?
The radius articulates with more of the carpal bones than the ulna.
you should see a doctor when there is any obvious bone deformity or misalignment of a joint; pain continuing for more than 10 days; an injury does not improve after 5-7 days; there is continued swelling or inflammation of a joint or injury; and if there is any indication of an infection such as fever, pus, red streaks visible in the tissue, or swelling of lymph glands. .
How long do people with gigantism live?
It is well known that gigantism can cause various issues with a person's skeletal system and circulatory sysetm, because of the sheer size of the person, so the chance of living a long healthy life is slim. You must also consider the fact that if the person is too tall, they may not be able to walk confortably or without assistance, so it's hard to get exersice which will lead to a shorter life-span. You can make your own prediction using this information on how long the average person with gigantism lives, my guess is nothing over 60-70 years of ae.
Is the fibula or tibia bigger?
The tibia is the larger and stronger of the two bones in the leg below the knee in vertebrates and connects the knee with the ankle bones while fibula is a leg bone located on the lateral side of the tibia, with which it is connected above and below. It is the smaller of the two bones, and, in proportion to its length, the most slender of all the long bones.
What are the eight bones that surround the brain?
The eight bones that surround the brain are the frontal, parietal (2), temporal (2), occipital, sphenoid, and ethmoid bones. These bones form the cranium, which provides protection and support for the brain.
What margin of the orbit are the lacrimal bones?
lacrimal bones are on the lateral margin of the orbit.
Why is bone lost faster with aging than it is replaced?
Bone loss accelerates with aging due to a decrease in the activity of osteoblasts (cells that build bone) and an increase in the activity of osteoclasts (cells that break down bone). This imbalance leads to a net loss of bone tissue, resulting in conditions such as osteoporosis. Factors like hormonal changes, decreased physical activity, and inadequate nutrition can further contribute to accelerated bone loss in aging individuals.
What is the bone called in arm between elbow and wrist?
The bone in the arm between the elbow and wrist is called the radius. It runs next to the ulna, which is the other bone in the forearm. These two bones play a crucial role in supporting the forearm and enabling movements of the wrist and hand.
Capillary puncture is a medical procedure where a small needle is used to collect a small amount of blood from the capillaries, typically in the finger or heel. This method is commonly used for blood glucose monitoring, hemoglobin testing, and other diagnostic tests where a small blood sample is sufficient.
What do ligaments do for the knee?
Keeps from luxating back and forth the distal femoral end from the tibial proximal end.
II.
As their name suggests, each ligament of the cruciate ligament pair crosses the other between its own attachment points, respectively, on laterally opposite aspects of the femur and of the tibia; and conversely for the "opposing" cruciate ligament in the cruciate ligament pair. So, then, you have two restraints (think of them like ropes . . . which, incidentally, is just the thing used to repair joints with severed tendons): one with origin on the medial (inside)aspect of distal femur which attaches to lateral aspect of proximal tibia and restricts forward flexing of tibia (this preventing backward flexion of knee joint; the other attached on opposite aspects, respectively, of femur and tibia and imparting similar leg anti-back-flexion restriction; and also combining, each with the other, to double the force which would be required (to double the tensile strength needing to be "overcome") in order to cause backward (unstable) flexion of the knee joint.
It is the "crossing" aspect of the ligament pair (over and above said doubling of tensile strength without doubling of ligament size and pathway) that contributes substantially to imparting knee joint stability: in that the two ligaments, functioning in tandem while also opposing each other at their limits of extension, also restricts transversely-directed torsion/twist between humerus and tibia, a motion which direct, femur-tibia ligament attachment on each side of the knee joint could not effectively do, if at all . . . because a ligament (or rope) cannot effectively impart or resist any force other than in the same direction as its stretched-out length; a femur-attached tendon cannot effectively influence a laterally imposed force applied at its distal attachment to the tibia, but stretching a ligament between those same limits of twist (and on both sides in opposition) can effectively accomplish that same action.
What bones are rod shaped in the body?
The long bones in the body, such as the femur, humerus, and phalanges, are rod-shaped bones. These bones provide support and structure to the body and aid in movement.
Which fracture is the most dangerous type of break in a bone?
A compound fracture, where the broken bone pierces the skin, is considered the most dangerous due to the risk of infection and potential damage to surrounding structures like nerves and blood vessels. Immediate medical attention is necessary to minimize complications.
Oracle bones are pieces of bone or shell typically used in ancient China for divination purposes. Inscriptions or symbols were carved onto the bones, which were then heated until they cracked. The cracks were interpreted by diviners to provide answers to questions or predict the future.
What structure divides the thoracic cavity into right and left hemithorax?
The mediastinum is the structure that divides the thoracic cavity into right and left hemithorax. It contains the heart, major blood vessels, esophagus, trachea, and other structures.
Which bone of the body has an end shaped like a monkey wrench?
The radius bone in the forearm has an end called the radial head which is shaped like a monkey wrench.
Why would a fractured maxilla create more problems in terms of bone healing than a fractured femur?
A fractured maxilla is more likely to have compromised blood supply, less bone density, and is subjected to constant movement due to being in the facial area. In contrast, the femur has a better blood supply, higher bone density, and is more stable due to being a weight-bearing bone. These factors contribute to slower healing and an increased risk of complications with a fractured maxilla compared to a fractured femur.
