skin and eye

skin

largest organ of the body

Keratin

waterproofing protein

Sebum

an oil secretion from sebaceous glands

Sweat

a watery secretion

nutrients

Sebum provides ________ for the normal skin microflora

lower

Both sweat and sebum can _____ pH to inhibit growth of microbes

Mucous membranes

line tissues and organs open to the exterior of the body

Gram +

Most bacteria normally found on the skin is ____ _

skin cells

Keratin degrading fungi helps to degrade sloughed off ____ _____

Conjunctiva

Lacrimal glands

produce tears

Lysozomes

can break down bacterial cell walls

Impetigo

Superficial bacterial infection which causes the skin to flake or peel off, usually face, mouth, extremities

highly contagious

Impetigo is ______ _________

coagulase test

Used to detect Staphylococcus Aureus

plasmin

Streptococcus Pyogenes will activate _______

Cellulitis

Fast-spreading infection in the dermis and subcutaneous tissues

Staphylococcal Scalded Skin Syndrome (SSSS)

Dermolytic condition mostly in newborns and babies, bullous lesions and desquamation of the skin

Scarlet Fever

Caused by lysogenic bacteriophage, skin shedding rash mediated by an erythrogenic toxin

Penicillin

Used to treat Scarlet Fever, anthrax

Necrotizing Faciitis

Rare, bacterial infection that infects fascia (connective tissue between skin and muscle)

Removal of skin

Necrotizing faciitis is treated by ________ __ _____

Pseudomonas Infections

Can infect burnt skin, life-threatening, greenish discoloration, aerobe living between scab and dermis

Acne (Propionibacterium acnes)

Found in pilosebaceous glands of human skin, occasionally in respiratory tract

hormones, genetics

Acne is influenced by ________ and _________

Comedo

Skin initially swells over the pore leading out of a hair follicle

Whitehead

closed comedo

Blackhead

open comedo

Pustule

When the lesion erupts on the surface, filled with pus

Cysts

Pustules that com to involve deeper layers of sin

Ulcer

Erosion after a pustule is popped

Vesicle

Fluid-filled portion of epidermis

Furuncles

Pus and swelling

Carbuncles

Pus-filled lesion, deeper than furuncle

Anthrax (Bacillus anthracis)

Strict aerobe, spores infect animals, then can return to soil

Cutaneous anthrax

Spores enter through wound in skin, the area of infection becomes necrotic

Pulmonary anthrax

Spores enter lungs (woolsorter's disease)

bio-warfare

pulmonary anthrax is used for ___-______

Acute bacterial conjunctivitis (Haemophilus influenzae)

Infection of conjunctiva, inflammation and discharge of eye depends on causative agent

Pink eye

Redness and discharge of conjunctiva (street name)

Bacterial Keratitis

Through exposure to pathogen on contaminated contact lenses - leads to red, irritated eyes, blurred vision, sensitivity to light

Neonatal conjunctivitis

Exposure to pathogen through birth canal of mother who has gonorrhea and chlamydia

Trachoma

Chronic infection of epithelial cells of eye, major cause of blindness

Human Papillomavirus

a virus that can cause plantar or genital warts or asymptomatic infection

Warts

known as "papillomas"

Oral herpes

Commonly manifests as cold sores or fever blisters, lifetime latency with periodic reactivation in times of physical or emotional stress

Roseola

Common in young children and babies, often results in maculopapular rash

Fifth disease, parvovirus B19

highly contagious disease (erythema infectiosum), transmitted via contact with respiratory secretions + "slapped cheek" symptom

Viral conjunctivitis

Comes from a VIRUS, more watery discharge than bacterial conjunctivitis

Viral keratitis

Viral invasion of deeper eye tissues, can lead to CORNEAL DESTRUCTION

Ringworm

Other word for cutaneous mycoses

Tinea

fungal infection of the skin

Scalp ringworm

Tinea capitis

Beard ringworm

Tinea barbae

Body ringworm

Tinea corporis

Groin ringworm

Tinea cruris

Foot ringworm

Tinea pedis

Hand ringworm

Tinea manuum

Nail ringworm

Tinea unguium

Superficial mycoses

Tinea versicolor

Cutaneous aspergillosis

common fungal infection on decaying vegetation and an opportunistic pathogen, invades wounds, burns, eyes, ears

Candidiasis

Yeast infection, can occur on skin and nails, particularly in people who have occupations with warm water

Sporotrichosis Rosegardener's Disease

Subcutaneous mycoses commonly acquired through puncture wounds with landscaping tasks

Granulomatous amoebic encephalitis (GAE)

Amoebas that cause ulceration of eyes and skin, can invade CNS and possibly death

Loiasis (loa loa)

"eye worm," larvae can develop into adult worms in subcutaneous tissues