Skin Anatomy
The outermost layer of the skin
What is the epidermis?
An area of abnormal tissue anywhere on or in the body
What are lesions?
Substances are injected intradermally or applied to the skin and results are observed
What is a skin test?
Before entering the eye through the pupil, light passes through here
What is the cornea?
A yellowish brown, waxy substance secreted by numerous glands to lubricate and protect the canal
What is cerumen?
Contains the sensory organs of the skin; hair follicles, sweat glands, and sebaceous glands
What is the dermis?
The absence of hair from where it normally grows
What is alopecia?
Scrapings from skin lesions, hair specimens, or nail clippings are sent to a laboratory for culture and microscopic examination
What are fungal tests?
Tough, white outer coat of the eyeball
What is the sclera?
The inner ear is also called this because of its circular, mazelike structure
What is the labyrinth?
Adipocytes are predominant in this layer
What is the subcutaneous layer?
The death of tissue associated with loss of blood supply
What is gangrene?
Use of a sharp dermal curette to scrape away a skin lesion
What is curettage?
Defective curvature of the cornea or lens of the eye
What is astigmatism?
Sensation of irregular or whirling motion either of oneself or of external objects
What is vertigo?
Hard keratin plates covering the dorsal surface of the last bone of each toe and finger
What are nails?
Epidermal growth (wart) caused by a virus
What is verruca/verrucae?
Samples of skin are examined for presence of microorganisms
What is bacterial analyses?
Clouding of the lens, causing decreased vision
What are cataracts?
Test of ear conduction using a vibration source
What is the tuning fork test?
Cutting this has no effect on its rate of growth
What is hair?
Cancerous growth composed of melanocytes
What is malignant melanoma?
Use of subfreezing temperature achieved with liquid nitrogen application to destroy tissue
What is cryosurgery?
Suture of a silicone band to the sclera over a detached portion of the retina
What is scleral buckling?
Collection of skin cells and cholesterol in a sac within the middle ear
What is cholesteatoma?