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HOPE Ch.14 Vocab

TermDefinition
enamel the hardest material in your body, covers a tooth's crown.
cementum covers a tooth's root and helps anchor the tooth to the jawbone.
dentin a living material that makes up the majority of a tooth; under the enamel and cementum.
pulp a soft tissue that fills the center of each tooth.
malocclusion a condition in which the upper and lower teeth do not meet properly; improper bite.
orthodontist specialists who correct the position of jaws and teeth.
halitosis the condition of bad breath.
plaque bacteria that adhere to your teeth in a sticky film.
tartar a hardened material formed from plaque that has not been removed within 48 hours; irritates the gums.
periodontal disease gum disease caused by plaque and tartar.
epidermis the outer most layer of skin
keratin a protein dead skin cells contain that makes the skin tough and waterproof
melanin a dark pigment that gives skin some of its color
dermis the tough, elastic layer of skin that lies below the epidermis
pore a tiny opening in the skin
follicles structures that strands of hair grow in
sebaceous glands oil is secreted into follicles by these.
melanoma a deadly form of skin cancer
acne forms from excess oil and dead cells plugging a hair follicle
dermatologist a doctor who specializes in treating skin problems.
eczema a condition in which an area of skin becomes red, swollen, hot, and itchy.
cornea the clear layer of tissue that covers the front of the eye.
pupil the opening through which light enters the eye
iris circular structure that surrounds the pupil and regulates its size.
lens flexible structure that focuses light
retina a layer of cells that line the back of the eye
optometrist professional who provides eye and vision care.
eardrum a thin membrane at the end of the ear canal. It vibrates when sound vibrations strike it.
cochlea coiled tube filled with fluid
semicircular canals structures that send information to your brain about the movements of your head.
Audiologists professionals who are trained to evaluate hearing and treat hearing loss.
Created by: achrodes
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