|BONE NAME||SKELETAL POSITION||EXPLANATION|
|Occipital bone||Bone at the back and lower part of the cranium.||Occipital bone forms the base of the cranium. |
It is a curved, trapezoidal bone and encloses a large circular aperture called foramen magnum through which the brain extends as the spinal cord.
|Temporal bone||Bone on each side and at base of the cranium.||Temporal bone is located on each side and at base of the skull. |
It encloses 6 ear ossicles of the middle ear (3 on each side).
|Parietal bone||Bone on each side and at roof of the cranium.||Parietal bone is located on each side and at roof of the cranium. |
Parietal bone lies between the frontal and the occipital bone.
Each bone is irregularly quadrilateral in shape.
|Frontal bone||Bone at the forehead.||Frontal bone forms the forehead of the skull. |
It also includes the upper part of the eye sockets.
|Ethmoid bone||Bone at the roof of the nose.||Ethmoid bone is located at the roof of the nose. |
It separates the nasal cavity from the brain.
It is a very delicate bone and is easily injured.
|Maxilla||Bone in the upper jaw.||Maxilla is the upper jaw bone. It is somewhat pyramidal in shape and has a large cavity called the maxillary sinus.|
|Mandible||Bone in the lower jaw.||Mandible forms the lower jaw. |
Mandible is the largest and the strongest facial bone.
|Stapes (Stirrup)||Bone at the outermost region of the middle ear.||Stapes is situated in the middle ear. |
It is the smallest bone of the human skeleton.
It is only 0.25 to 0.33 cm long and weighs 2 to 4.3 mg.
|Hyoid bone||Bone in the neck region.||Hyoid bone is situated in the neck. It supports the root of the tongue. |
It is the only bone that does not articulate with any other bone.
|Clavicle||Bone in the collar region.||Clavicle is a slender rod-shaped bone located in the collar region. |
It is also called as the collar bone.
|Scapula||Bone at the posterior part of the shoulder girdle.||Scapula is a large, triangular and flat bone which forms the posterior part of the pectoral (shoulder) girdle. |
It is also known as the shoulder blade.
|Sternum (Breast bone)||Bone at the centre of the thorax.||Sternum is located at the centre of the thorax, i.e., the chest. |
It is a dagger-shaped bone that along with the ribs, forms the rib cage.
|Humerus||Bone in the upper arm.||Humerus is located in the upper arm. |
The head of the humerus fits into the glenoid cavity of the pectoral girdle to form a ball and socket joint.
|Radius||Bone at the lateral side of the forearm.||Radius is the bone located at the lateral side of the forearm. |
Radius along with Ulna constitutes the forearm.
|Ulna||Bone at the medial side of the forearm aligned with the little finger.||Ulna is located at the medial side of the forearm. It is aligned with the little finger. |
Ulna along with Radius constitutes the forearm.
|Carpals||Bones in the wrist region.||Carpals are located in the wrist region.|
There are 8 nodule-like bones called carpals in the wrist region.
|Metacarpals||Bones in the palm region.||Metacarpals are 5 small rod-shaped bones located in the palm region.|
|Femur||Bone in the thigh region.||Femur is located in the thigh region. |
The head of the femur fits into the acetabulum of the pelvic girdle to form a ball and socket joint.
It is the longest and the heaviest bone.
It supports the weight of the body.
|Patella||Bone in front of the knee joint.||Patella is located in front of the knee joint. |
It is commonly known as the kneecap.
It protects and covers the knee joint.
|Tibia||Bone in the shin region.||Tibia is located in the shin region of the leg. |
Tibia along with Fibula constitutes the lower leg.
Tibia is the larger of the two bones.
|Fibula||Bone in the calf region.||Fibula is located in the calf region of the leg. |
Fibula along with Tibia constitutes the lower leg.
|Calcaneus||Bone at the heel.||Calcaneus is a large bone located at the heel. |
It is also known as the heel bone.
It is more or less rectangular in shape.
|Tarsals||Bones in the ankle.||Tarsals are located in the ankle. |
There are 7 tarsal bones in the ankle. Calcaneus is the largest tarsal bone which constitutes the heel.
|Metatarsals||Bones in the foot.||Metatarsals are 5 long rod-shaped bones. |
They are located between the tarsals and the phalanges.
Metacarpals of hand are analogous to metatarsals of foot.
|Phalanges||Bones in the fingers and toes.||Phalanges are the bones in the fingers and toes. |
There are 14 phalanges in the fingers of the hand. The thumb has 2 phalanges whereas other fingers have 3 phalanges each.
There are 14 phalanges in the toes. The big toe has 2 phalanges whereas other toes have 3 phalanges each.