English vocabulary Skeleton and Muscles

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abductor

noun
(anatomy) a muscle that moves a part of the body away from its normal position by contraction

backbone

noun
the row of small bones that are joined together down the middle of the back

biceps

noun
(anatomy) the two-headed muscle of the front upper part of the arm which is used for pulling things toward oneself

breastbone

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

cheekbone

noun
any of the arch bones below the eye

ciliary body

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

clavicle

noun
(anatomy) a bone of the shoulder girdle that connects the breastbone to the shoulder bone

coccyx

noun
(anatomy) the small triangular bone at the end of the spinal column in humans or tailless primates

collarbone

noun
either of the pair of bones that join the shoulder blades to the breastbone

cranium

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

deltoid

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

diaphragm

noun
(anatomy) the muscular body partition that separates the chest and abdomen

extensor

noun
(anatomy) a muscle that helps a body part or limb be stretched out by contraction

femur

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

fibula

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

flexor

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

humerus

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

jawbone

noun
(anatomy) the lower bone of the jaw that makes one open and close their mouth

kneecap

noun
a small bone that covers the front of the knee joint

mandible

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

metatarsal

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

muscle

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

musculature

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

occipital bone

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

patella

noun
(anatomy) a small bone triangular in shape that covers and protects the front part of the knee joint

pelvis

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

quadriceps

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

quad

noun
a muscle at the front of the thigh that helps the knee joint stretch

radius

noun
(anatomy) the larger and thicker bone of the human forearm extending from the elbow to the thumb side of the wrist

rib

noun
a row of curvy bones surrounding and protecting the chest, lungs, and heart

rib cage

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

sacrum

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

scapula

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

shin bone

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

shoulder blade

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

sinew

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

skeleton

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

skull

noun
the skeleton of a person's or animal's head; the bony skeleton enclosing the brain of a vertebrate

sphincter

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

spine

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

sternum

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

tail bone

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

tarsal

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

tendon

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

thighbone

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

tibia

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

triceps

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

ulna

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

vertebra

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

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