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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 is the fibula nicknamed the calf bone?
The fibula is sometimes referred to as the calf bone because it runs parallel to the tibia in the lower leg, giving shape and structure to the calf muscle. However, the fibula plays a minimal role in weight-bearing compared to the tibia.
Is cervical mucus safe to eat?
No, consuming cervical mucus is not safe as it can carry bacteria and other pathogens that may cause illness if ingested. It is important to practice proper hygiene and avoid ingesting bodily fluids for health reasons.
"Devil's bones" is a colloquial term for dice, due to their association with gambling and luck. It is a reference to the popular perception that gambling is sinful or devilish.
What is a white rope-like structure in the spongy part of the femur?
The white rope-like structure in the spongy part of the femur is likely the Medullary cord, which consists of reticular fibers and cells in the bone marrow. These fibers provide structural support and help regulate the production and movement of blood cells.
What is found on the outer surface of the epiphysis?
The outer surface of the epiphysis is covered by a layer of hyaline cartilage known as articular cartilage. This cartilage helps cushion the joint and allows for smooth movement of the bones in the joint.
What are the names of the ankle and toe bones?
Put simply, the ankle and foot bones are called the tarsals and metatarsals respectively. In groups, if you look at them as you would your hand, the toes (or fingers) are called the phalanges, the long bones that connect the toes to the foot are called the metatarsals, and then the actual bones of the foot are the tarsals. Without giving you a diagram, I will name them the best I can if you follow along using your own foot :-)
All toes are called digits or phalanges, and are ordered using roman numerals, with I being the big toe and V being the pinkie toe. Toe I, the big toe, is called the Hallux.
The largest tarsal bone is the calcaneus, or heel (which attaches to the Achilles tendon (aka calcaneal to form the calf muscles). If you move down from the heel, you will find the 2nd largest tarsal bone, the talus, which is the "ridge" of the top of your foot -- the part that hurts really bad if someone stomps on it. If you follow that part of your foot toward your big toe, you will feel where it flexes a little at the end of the talus. This is a wide but short bone called the navicular....those three bones together (the talus, calcaneus, and navicular) form what would be synonymous to the wrist..only in the foot. Toward the outside of the foot immediately next to the navicular is what is called the cuboid, which if you are looking down at the top of your foot, is a rounded part that lines up with the pinkie toe (the outside of the foot). This bone is longer than the navicular....
OK...now there are three small bones called cuneiform that are lined up with the cuboid on top (since the navicular was shorter than the cuboid), which are identified as medial cuneiform (on the big toe side of the foot), the intermediate cuneiform, and the lateral cuneiform.
OK...now to the part you can feel -- There are 4 bony pieces to each "toe" (except the big toe, which has 3). So starting with the hallux (big toe), if you run your finger between toes I & II, you will feel where the bones separate. That long bone that connects to the big toe is called the first metatarsal. The next part is called the proximal phalanx (if you bend your big toe, its the larger part where it bends at the top of the foot), and the end of the big toe is called the distal phalanx. Toes II - V have a part that the big toe doesn't have...they also start at the metatarsal (numbered according to the toe), which goes to the proximal phalanx. The difference is on toes themselves..if you notice, your big toe can only bend in two places--but each little toe bends in three. So after the proximal phalanx is the middle phalanx, then the distal phalanx.
Good luck :-)
How much stress can a femur withstand before breaking?
The femur is the strongest and thickest bone in the body. It can take about 600 LBS of vertical force before it breaks. That pretty much means that if you set it up so it was horizontal, with a space in between the things holding it up, and put 600 pounds on it, it would snap. That's strong.
Is skull an example of irregular bone?
Yes, the skull is an example of an irregular bone. Irregular bones do not fit into the other categories of bone shapes (long, short, flat, or sesamoid) and have complex shapes with varying functions. The skull is made up of several irregularly shaped bones that protect the brain and support facial structures.
What is the scientific word of collar bone?
The Medical term for the Collar Bone is called the 'CLAVICLE'.
The clavicle or the collarbone makes up the top part of the pectoral (shoulder) girdle.
What is it called when a fracture breaks the skin?
When a fracture breaks the skin, it is a compound fracture or open fracture. Because the skin is broken, there is a possibility of infection.
What is used up first yellow or red bone marrow during starvation?
During starvation, yellow bone marrow is used up first because it stores fat as an energy reserve, which can be broken down and utilized by the body. Red bone marrow is responsible for producing blood cells and is a more critical component for survival.
How many phalanges in a human thumb?
your thumb has 2 phalanges phalanges is a special word for joint every other finger has 3
The forearm is the part of your arm including the hinge of your elbow to just before the wrist. If you hold your palm up the radius is on the outside and the ulna is on the inside. The sharp part of your elbow is the ulna.
Jennie L. Yates DC
CoreHealth of Clearwater LLC
How do you break your scaphoid bone?
I broke my metacarpal bone(4th) at the bases of the wrist. I got my hand caught in an automatic door. The pain is instant and swelling was unbelievable. I did this weekend of Halloween and wore a cast to my elbow for six weeks. I still have a considerable amount of pain where the break occurred. Not a good bones to break!
What is the name of the slender pointed projection on the distal end of the ulna?
The same as the slender, pointed projection on the distal end of the radius: the styloid process
What happened to Suzy's body in the Lovely Bones?
She got raped, killed, he dismembered her body, put her body in a safe, and dumped it in a sinkhole.
Has the origin on the iliac crest and the insertion on rib 12 and l1 to l4 vertebra?
The muscle described is likely the quadratus lumborum. It originates from the iliac crest and inserts onto the rib 12 and the transverse processes of lumbar vertebrae (L1-L4), contributing to trunk flexion and lateral movement of the spine.
What is a type of loop that opens up towards the radius bone of an arm?
It is a word with 6 letters and is a type of loop
None other then the RADIAL loop
your welcome
What is the bone called that has 5 bones fuse to form a bone below the spine?
I believe what you are talking about is the sacrum? It's just below the spine in the pelvic area..
What is the soft region between bones and skull called?
The soft region between bones and the skull is called the fontanelle. It is also known as the "soft spot" and is present in infants to allow for the growth and expansion of the skull during early development.
Is Peak bone density is achieved before age 30?
Yes, peak bone density is typically reached by around age 30. After that, bone density gradually decreases, which is why it's important to build strong bones during childhood and adolescence to help prevent osteoporosis later in life. Regular weight-bearing exercise, a healthy diet rich in calcium and vitamin D, and avoiding smoking and excessive alcohol intake can help maintain bone health.
Are sinuses air filled cavities in the skull?
Yes, sinuses are air-filled cavities located within the bones of the skull. They are lined with mucous membranes and help to humidify and filter the air we breathe in.
What bone contains styloid process?
The styloid process is a bony protuberance off of the temporal bone. During embryological development, the dorsal end of the second pharyngeal arch cartilage forms the stapes and the styloid process. It is the cartilaginous viscerocranium that is derived from the first two pharyngeal arches.
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