Vocab Quiz 4 Flashcards
(20 cards)
Albinism
a recessive trait leading to a lack of melanin production. A person with this trait has white skin and hair and lacks pigment in the iris of the eye.
Atopic
inherited tendency to hypersensitivities.
Autoinoculation
the spread of infection, e.g., by fingers, from one site to a second site on the body.
- Denuded
stripping off skin, leaving bare.
Excoriations
an abrasion or injury to the skin.
Keratin
a protein found in skin, hair, and nails; prevents both loss of body fluid through the skin and entry of excessive water into the body.
Larvae
emerge from the eggs; immature not adult.
Lichenification
hardening and thickening of the skin; leather-like.
Sebum
an oily secretion in sebaceous glands, which keep the hair and skin soft and retards fluid loss from the skin.
Diplopia
double vision.
Exteroceptors-
sensory receptors located close to the body surface and are sometimes referred to as cutaneous receptors
Ototoxic
a substance causing damage to the inner ear or auditory nerve.
Photophobia
increased sensitivity of the eyes to light
Proprioceptors
receptors that provide information about body movement, orientation, and muscle stretch; muscle sense.
Ptosis
drooping eyelid.
Refraction
the bending of light that takes place in the human eye.
Tinnitus-
abnormal ringing sound or noise in the ears.
Trachoma
an eye infection caused by chlamydia trachomatis that causes follicles to develop on the inner surface of the eyelids. It occurs in situations in which there is not adequate water to wash the face and eyes or flies carry the organism to the eyes.
Visceroceptors
receptors that are located internally and provide information about the environment around the viscera.
Visual acuity
this is measured by the snellen chart or similar eye charts, consisting of lines of progressively smaller letters and numbers.
