The Musculoskeletal System

any of the hard pieces making up the skeleton in humans and some animals

She twisted her ankle and felt a shooting pain in the bone.

a place in the body where two bones meet, enabling one of them to bend or move around

The knee is a complex joint that allows for bending and straightening of the leg.

an elastic tissue that supports or connects joints in an infant and turns into skeleton during growth

Cartilage lacks blood vessels, which affects its ability to heal.

a transformed cartilaginous structure that has undergone ossification

(anatomy) a strong band of tissue which connects two bones or cartilages or keeps organs in place

a fluid-filled sac that reduces friction between tissues such as bones, tendons, and muscles

the central part of the skeleton that includes the skull, vertebral column, and ribcage

a single muscle that is located along the central axis of the body, including the head, neck, and trunk

a tendon in the leg that attaches the muscles of the calf to the bone of the heel

The Achilles tendon connects the calf muscles to the heel bone, playing a crucial role in walking, running, and jumping.

(anatomy) an elastic cord or band that connects a muscle to a bone

Tendon injuries can result from sudden trauma or repetitive strain.

the bony structure that surrounds and provides protection for a person's or animal's brain

In anatomy class, they learned about the different bones that form the human skull.

a piece of body tissue that is made tight or relaxed when we want to move a particular part of our body

He massaged his sore muscles to ease the tension.

(anatomy) one of the five tendons at the back of someone's knee

someone who unlawfully seizes and detains a victim (usually for ransom)

a line of connected bones going down from your neck to tail bone in the middle of the back

Good posture helps support the backbone and reduces strain on the back.

the large muscle at the front of the upper part of the arm, which flexes the forearm

He flexed his biceps to show off his strength.

a long flat bone at the center of the chest that connects the ribs and the shoulder girdle

the bone that is just below the eye

The makeup artist applied highlighter to accentuate the model's cheekbones, creating a sculpted look.

(anatomy) the structure that encloses the inner surface of the eye which consists of the muscle which makes the eye move

the long, curved bone that connects the shoulder blade to the sternum

She broke her clavicle while skiing.

either of the pair of bones that go across the top of the chest from the base of the neck to the shoulders

He fractured his collarbone during the football game and needed to wear a sling for several weeks.

(anatomy) the bone structure that surrounds and protects the brain

The cranium protects the delicate structures of the brain.

(anatomy) a large muscle, triangular in shape that covers the shoulder joint and helps the arm to abduct and rotate

a muscle that helps a body part or limb be stretched out by contraction

A strain in the extensor tendons of his hand resulted in limited movement and discomfort.

(anatomy) the longest bone in the top part of the human leg between the hip and the knee

The femur is the longest and strongest bone in the human body, extending from the hip to the knee.

(anatomy) a long bone in the arm that extends from the shoulder to the elbow

(anatomy) the outer and narrower of the two bones between the ankle and the knee

(anatomy) a muscle that allows one to bend a limb or body part by contraction

either of the bones that form the jaw, particularly the lower jaw

The boxer's opponent landed a powerful punch to his jawbone, causing him to stagger backward.

a small bone that covers the front of the knee joint

(anatomy) (zoology) either half of the jawbone, especially the lower jawbone that helps a vertebrate open and close its mouth

(anatomy) any of the five bones of the foot between the ankle and the toes

(biology) the overall arrangement or the system of muscles in a human or an animal's body

(anatomy) the trapezoidal bone that is at the base and lower back of the cranium, though which the spinal cord passes

the singular bone located at the front of the skull, forming the forehead and upper eye sockets for structural support and protection

a cranial bone that forms the sides and roof of the skull, offering protection for the brain

a butterfly-shaped bone, contributing to its structure and housing important structures

a cranial bone located on the sides and base of the skull, housing the ear structures and contributing to jaw movement

a facial bone that forms the prominence of the cheek and connects various other facial bones

a facial bone that contributes to the structure of the cheek and forms part of the eye socket

a facial bone that forms the central part of the face, supporting the upper teeth

type genus of the family Patellidae: common European limpets

(anatomy) the large round bone structure that the limbs and the spine are joined to, which also protects the abdominal organs

The pelvis is a bony structure located at the base of the spine, consisting of the hip bones, sacrum, and coccyx.

(anatomy) any of the four large muscles at the front of the thigh that allow the knee joint to stretch

a rectangular area surrounded on all sides by buildings

the length of a straight line drawn from the center of a circle to any point on its outer boundary

The radius of a circle is half the length of its diameter, extending from the center to any point on the circumference.

each of the curved bones surrounding the chest to protect the organs inside

The doctor examined the patient's ribs after the fall to check for any fractures.

(anatomy) the bony structure in the chest formed by the ribs which protects organs in the thoracic cavity

(anatomy) a large bone at the lower part of the spinal column between the two hip bones of the pelvis

the inner and larger bone of the pair of bones between the ankle and the knee

(anatomy) each of the pair of triangular bones that connect the humerus to the clavicle

The scapula, commonly known as the shoulder blade, is a flat, triangular bone located in the upper back that connects the humerus (upper arm bone) with the clavicle (collarbone).

each of the pair of triangular bones that connect the upper arm bone with the collar bone

an elastic cord or band that connects a muscle to a bone

The surgeon explained how the sinew attaches the muscle to the bone, allowing for movement.

the structure of bones supporting the body of an animal or a person

The X-ray revealed a fracture in his skeleton.

the row of small bones that are joined together down the center of the back of the body

The surgeon carefully examined the patient's spine to assess the extent of the injury.

(anatomy) a ring of muscle that can open or close an opening, such as anus, in the body

(anatomy) a long flat bone at the center of the chest that connects the ribs to the shoulder girdle

the small triangular bone at the end of the spinal column in humans or tailless primates

(anatomy) any of the cluster of seven small bones in the foot between the ankle and upper foot

the longest bone in the human skeleton which is between the hip and the knee

(anatomy) the inner and larger of the two bones between the ankle and the knee

(anatomy) the three-headed muscle of the arm that functions as the extensor of the elbow joint

(anatomy) the thinner and longer bone of the human forearm extending from the elbow to the wrist

(anatomy) any of the bony segments and cartilages of the spinal column

Injuries to the vertebra can result in paralysis or loss of sensation.

a small bone found in the middle ear that helps transmit sound vibrations and facilitate hearing

an opening or a hole, particularly in a bone structure

the lower bone of the face containing the chin and the bottom teeth

He clenched his jaw in frustration when he heard the news.