[The introduction of an antigenic substance or vaccine into the body to produce immunity to a specific disease.]
gamut
[ˈga-mət]
[A (normally) complete range.]
acne
[ˈak-nē]
[A skin condition, usually of the face, that is common in adolescents. It is characterised by red pimples, and is caused by the inflammation of sebaceous glands through bacterial infection.]
eczema
[ig-ˈzē-mə]
[A non-contagious acute or chronic inflammation of the skin, characterized by redness, itching, and the outbreak of oozing vesicular lesions which become encrusted and scaly.]
impetigo
[ˌim-pə-ˈtē-(ˌ)gō]
[A contagious bacterial skin disease forming pustules and yellow crusty sores, chiefly on the face and hands. It is common in children and infection is often through cuts or insect bites.]
psoriasis
[sə-ˈrī-ə-səs]
[A noncontagious disease whose main symptom is gray or silvery flaky patches on the skin which are red and inflamed underneath when scratched.]
myopia
[mī-ˈō-pē-ə]
[A disorder of the vision where distant objects appear blurred because the eye focuses their images in front of the retina instead of on it.]
astigmatism
[ə-ˈstig-mə-ˌti-zəm]
[A defect of a lens such that light rays coming from a point do not meet at a focal point so that the image is blurred.]
cataract
[ˈka-tə-ˌrakt]
[A waterspout]
glaucoma
[glau̇-ˈkō-mə]
[An eye disease or disorder that is defined as a characteristic optic neuropathy, or disease of the optic nerve, possibly, if untreated, leading to damage of the optic disc of the eye and resultant visual field loss due to lack of communication between the retina and the brain, which can lead to blindness.]
brace
[ˈbrās]
[Armor for the arm; vambrace.]
appliance
[ə-ˈplī-ən(t)s]
[An implement, an instrument or apparatus designed (or at least used) as a means to a specific end (often specified), especially:]
pitter-patter
[ˈpi-tər-ˌpa-tər]
[A soft, percussive sound, as of tiny feet, or of rain on a rooftop.]
circulatory
[ˈsər-kyə-lə-ˌtȯr-ē]
[A vessel with two portions unequally exposed to heat, and with connecting pipes or passages, through which the fluid rises from the overheated portion, and descends from the relatively colder, maintaining a circulation.]