Unit 2: Vocabulary

Please study the 20 vocabulary terms below. Then press the Mark Complete button to continue.
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dermis
the internal layer of skin
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The dermis supplies blood to all layers of the skin.
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duct
a tube for conveying liquid
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The tear duct drains into both the eyes and the nose.
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duodenum
the first part of the small intestine
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Partially digested food travels into the duodenum before being absorbed.
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dura mater
external layer of membrane around the brain and spinal cord
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Dura mater is attached directly to the skull.
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epidermal
related to the external layer of skin
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The epidermal skin layer is not sensitive to touch.
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epiglottis
a flap of cartilage which covers the windpipe when swallowing
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He required medical attention as his epiglottis had swollen and was blocking his airway.
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fibula
the outer bone between the knee and the ankle
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Although painful, a broken fibula will heal on its own.
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foreskin
double-layered cover on the end of the penis
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In Jewish culture, surgery to remove the foreskin is common.
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gallbladder
small sac under the liver holding bile
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He was rushed to hospital with a swollen gallbladder.
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genitalia
sex organs
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A lot of patients are embarrassed about problems with their genitalia, such as impotence or venereal disease.
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gonad
sex gland
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The female gonad is otherwise known as the ovary or egg sac.
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ileum
the third and final part of the small intestine
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The ileum absorbs vitamin B12, which is needed to create healthy red blood cells.
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ligament
flexible tissue connecting bones or cartilage
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Ligament injuries are common in athletes and can affect any joint.
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lymph node
tissue which filters germs from the blood
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Lymph nodes usually swell as a result of exposure to bacteria or viruses.
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mammary gland
tissue in the breast which produces milk
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The mammary gland is located in the breasts of females and is responsible for lactation.
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maxilla
the upper bone in the jaw
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The maxilla articulates with 9 other bones in the face.
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mitral valve
two tapered folds between the left atrium and the left ventricle of the heart that regulate the flow of blood
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The man's mitral valve was leaking backward into his atrium.
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myocardium
the muscular tissue of the heart
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Oxygen rich blood is pumped around the body by contraction of the myocardium.
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nevus
a birthmark or mole on the skin
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He underwent cosmetic surgery to remove the nevus on his face.
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nucleus
the centre of a cell
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The nucleus of a cell contains the cell's entire genome.
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