7.3 integumentary system continued
Psoriasis
Chronic non-contagious inherited skin disease characterized by Red areas covered with white and silver scales
Hand
Consist of 27 bones and provides the body with support and flexibility to manipulate objects in many different ways
Hair
Consists of a root and hair shaft but protects the body and covers all body parts except the palms of the hands and soles of the foot
Athlete's foot
Contagious foot fungus infection in which skin blisters and cracks into open sores
Impetigo
Contagious skin infection (usually caused by streptococci or staphylococci) with red lesions that rupture and ooze forming a yellowish brown crust
Nails
Dead keratinized epidermal epithelial cells packed closely together to form a thick dense surface but protect the fingers and toes from injury
Albinism is baldness or a permanent loss of hair on the scalp
False
Melanin and cyanosis are pigments that determine skin color
False
Sebaceous glands open on the surface of the skin at a pore
False
The dermis is made of five or six smaller layers
False
When blood vessels dilate heat is retained in the body
False
Dilate
Get larger
Constrict
Get smaller
Dermatitis
Inflammation of the skin often caused by an allergic reaction
Skin
Largest organ in the body consists of three layers protex and acts as a barrier regulates body temperature stores fat glucose water vitamins and salts allows certain substances to be absorbed through the skin eliminates waste and produces vitamin D by using ultraviolet rays
Melanoma
Most dangerous type of skin cancer
Integumentary system
Skin; also called a system a membrane and a organ
Abnormal colors for skin eruptions can indicate disease
True
Nails are made of dead keratinized epidermal epithelial cells
True
Oil glands keep the hair from becoming brittle
True
Sebum is an antibacterial and antifungal secretion that helps prevent infections on the skin
True
The skin acts as a barrier to the sun's ultraviolet rays
True
The skin is a membrane, and organ, and a system
True
The subcutaneous tissue is made of connective an adipose tissue
True
Verruca
Wart or viral infection of the skin
Acne vulgaris
inflammation of the sebaceous glands