Microbial Diseases of the Skin and Eyes

These flashcards summarize key vocabulary and concepts related to microbial diseases affecting the skin and eyes as covered in the lecture.

Epidermis

The thin outer portion of the skin composed of layers of epithelial cells.

Keratin

A waterproofing protein that coats the outer layer of the epidermis.

Lysozyme

An enzyme that breaks down bacterial cell walls.

Sebum

An oily secretion from sebaceous glands that contains fatty acids to inhibit pathogens.

Normal Microbiota

The resistant microorganisms on the skin, including gram-positive cocci like Staphylococci and Micrococci.

Folliculitis

An infection of the hair follicles.

Impetigo

Crusting sores spread by autoinoculation, may be caused by Streptococcus pyogenes.

Necrotizing fasciitis

A severe, 'flesh-eating' disease caused by streptococci.

Pseudomonas aeruginosa

A gram-negative, aerobic rod known for producing blue-green pus.

Acne

The most common skin disease in humans, categorized into comedonal, inflammatory, and nodular cystic types.

Keratitis

Inflammation of the cornea, potentially leading to blindness.

Conjunctivitis

An inflammation of the conjunctiva, commonly referred to as pink eye.

Trachoma

A leading cause of blindness worldwide caused by Chlamydia trachomatis.

Acanthamoeba keratitis

A severe infection of the eye caused by Acanthamoeba, transmitted via water.

Candidiasis

An overgrowth of Candida albicans, leading to infections in the skin and mucous membranes.