What are the 10 long bones?
The Top Ten: Longest Bones in the Human Body
- Femur (thighbone) 19.9.
- Tibia (shinbone) 16.9.
- Fibula (lower leg) 15.9.
- Humerus (upper arm) 14.4.
- Ulna (inner lower arm) 11.1.
- Radius (outer lower arm) 10.4.
- 7th rib. 9.5.
- 8th rib. 9.1.
What are the 12 long bones?
There are approximately 90 long bones in the human body. They are known as clavicle, femur, tibia, fibula, humerus, radius, ulna, metacarpals, metatarsals, and phalanges of the hands and feet.
What are the 4 long bones?
The rounded ends, the epiphyses, are covered with articular cartilage and are filled with red bone marrow, which produces blood cells (Figure 2). Most of the limb bones are long bones—for example, the femur, tibia, ulna, and radius.
What are long bones called?
The long bone category includes the femora, tibiae, and fibulae of the legs; the humeri, radii, and ulnae of the arms; metacarpals and metatarsals of the hands and feet, the phalanges of the fingers and toes, and the clavicles or collar bones.
Whats the longest bone in the body?
The femur
The femur is one of the most well-described bones of the human skeleton in fields ranging from clinical anatomy to forensic medicine. Because it is the longest and strongest bone in the human body, and thus, one of the most well-preserved in skeletal remains, it makes the greatest contribution to archaeology.
Is the femur a long bone?
The thigh bone (femur) is a long bone. A long bone has a shaft and two ends. Some bones in the fingers are classified as long bones, even though they are short in length. This is due to the shape of the bones, not their size.
What are two examples of long bones?
Long bones are found in the arms (humerus, ulna, radius) and legs (femur, tibia, fibula), as well as in the fingers (metacarpals, phalanges) and toes (metatarsals, phalanges). Long bones function as levers; they move when muscles contract.
What’s a long bone?
Long bones are hard, dense bones that provide strength, structure, and mobility. The thigh bone (femur) is a long bone. A long bone has a shaft and two ends. Some bones in the fingers are classified as long bones, even though they are short in length.
Is humerus a long bone?
The humerus is a long bone which consists of a shaft (diaphysis) and two extremities (epiphysis). It is the longest bone of the upper extremity.
What are 3 parts of long bone?
Long bones are longer than they are wide. They can be divided into three regions – epiphysis, metaphysis and the diaphysis. The epiphysis contains the spongy bone (also called cancellous), which in turn contains the red bone marrow that is responsible for synthesizing blood cells.
How many types of long bone do we have?
four
Long Bones The four principal types of bones are long, short, flat and irregular. Bones that are longer than they are wide are called long bones. They consist of a long shaft with two bulky ends or extremities. They are primarily compact bone but may have a large amount of spongy bone at the ends or extremities.
What are the longest and shortest bone in the human body?
The femur is the longest bone in the human body and the shortest bone is the stapes found in the middle ear. The human body is full of surprises.
Which is longer tibia or femur?
No, the femur and tibia are not the same lengths. While they are the two longest bones in the body, the femur is between three and four inches longer…
Is tibia a long bone?
The tibia is the main long bone of the lower leg. It is commonly known as the shin bone and is felt easily along the anterior (front) of the leg below the knee. The tibia is about 36 cm long on average.
Is ulna a long bone?
The ulna forms the skeleton of the medial part of the forearm and is a long bone, consisting of an expanded proximal end, a shaft and a head at the distal end.
Are ribs long bones?
In vertebrate anatomy, ribs (Latin: costae) are the long curved bones which form the rib cage, part of the axial skeleton.
What are 5 major parts of a long bone?
List five major parts of a long bone. The major parts of a long bone include epiphysis, articular cartilage, diaphysis, periosteum, medullary cavity, endosteum, and marrow. How do compact and spongy bone differ in structure? The wall of the diaphysis is mainly composed of tightly packed tissue called compact bone.
How many long bones are there in hand?
Bones. The human hand has 27 bones: the carpals or wrist accounts for 8; the metacarpals or palm contains five; the remaining fourteen are digital bones; fingers and thumb. The palm has five bones known as metacarpal bones, one to each of the 5 digits.
Which is the longest bone of human?
Background. The femur is one of the most researched bones in the human anatomy and forensic medicine. As the longest bone in the human body, it is well preserved in skeletal remains.