Derm Flashcards
Integumentary system consists of what organs?
Skin, Accessory organs (hair, Nails), exocrine glands
Functions of skin
Protection, Sensory, thermoregulation, excretion, homeostasis, storage & production of vitamin D
3 layers of skin
Epidermis, dermis, subcutaneous
Outermost layer of skin ?
Epidermis
Top most layer of epidermis ?
Stratum corneum
Lowermost layer of epidermis ?
Startup basale/ germinativum
New cells are formed in which layer of epidermis?
Stratum basale
Which layer of skin contains cells with concentrations of keratin?
Stratum corneum
Which layer has horny cells?
Stratum corneum of epidermis
What protein does horny cells contain?
Keratin
Melanocytes are found in which layer of skin?
Starting corneum of epidermis.
Epidermis is made of what type of epithelium?
Stratified squamous epithelium
What is albinosis?
Incapable of production of melanin.
Which is the thickest layer of skin?
Dermis
What is another name for dermis?
Corium
What protein is dermis predominantly made of?
Fibrous and elastic tissue
Which layer of skin contains blood vessels?
Dermis.
Which layer contains sweat glands ?
Dermis.
Which layer contains hair follicles ?
Dermis.
How does hair get its colour?
Hair follicles are surrounded by melanocytes. This gives hair the colour.
What are hair cells made ?
Horny cells.
Which layer is called hypodermis?
Subcutaneous layer
Which layer specializes in formation of adipocytes?
Subcutaneous layer
What is the function of subcutaneous layer?
Insulation and protection of deeper tissue.
What protein helps the skin from UV?
Melanin in stratum corneum of epidermis.
Parts of finger nails?
Hyponychium, eponychium, paronychium, lunula
What is nail made of?
Keratin
Sweat glands pores are found in which layer ?
Epidermis
Sweatbands are controlled by which part of brain?
Hypothalamus
What is an example of a modified sweat gland ?
Mammary glands
Sweat glands are found predominantly in which parts of the body?
Palm, soles, forehead