INTEGUMENTARY

• FUNCTIONS OF THE SKIN?

  RESISTNCE TO TRAUME & INFECTION, BARRIER TO UV LIGHT, VITAMIN D SYNTHESIS, SENSROY RECEPTORS & thermoreceptors
• MEDICAL SPECIALTY FOR THE DIAGNOSIS & TREATMENT OF DISORDERS OF THE INTEGUMENTARY SYSTEM?

  DERMATOLOGY
• LARGEST ORGAN OF THE BODY BY SURFACE AREA & WEIGHT?


  SKIN
• AREA OF SKIN?

  2 SQUARE METER (22 SQUARE FEET)
• THE SKIN WEIGHS?

  4.5 - 5 KT 16% OF BODY WEIGHT
• THICKNESS OF SKIN?

  0.5 - 4 MM THICH
• AVERAGE THICKNESS OF SKIN?

  1 - 2 MM
• WHAT KIND OF EPITHELIUM IS THE EPIDERMIS?

  KERATINIZED STRATIFIED SQUAMOUS EPITHELIUM
• EPIDERMIS IS RENEWED EVERY?

  20 - 30 DAYS
• RENEWAL PROCESS IS THE REPONSIBILITY OF THE?

  KERATINOCYTES
• 4 MAJOR TYPES OF CELLS: KERATINOCYTES, MELANOCYTES, LANGEHRANS CELLS & MERKEL CELLS
• ACCOUNTS FOR 85 - 90% OF THE CELL POPULATION IN EPIDERMIS?


  KERATINOCYTES
• TOUGH FIBROUS PROTEIN THAT PROVIDES PROTECTION?

  KERATIN
• PRODUCE THE PIGMENT MELANIN?

  MELANOCYTES
• PROTECTS AGAINST DAMAGE BY ULTRAVIOLET RADIATION?

  MELANIN
• INVOLVED IN IMMUNE RESPONSES, ARISE FROM BONE MARROW?

  LANGERHANS CELLS
• FUNCTION IN THE SENSATION OF TOUCH?

  MERKEL CELLS
• HAS 4 MAJOR LAYERS?

  THIN SKIN
• WHAT ARE THE 5 LAYERS OF EPIDERMIS?

  STRATUM CORNEUM, STRATUM LUCIDUM STRATUM GRANULOSUM, STRATUM SPINOSUM & STRATUM BASALE
• CONSISTS OF 15 - 20 ROWS OF FLATTENED KERATINOCYTES EMBEDDED IN AN AMORPHOUS MATRIX?

  STRATUM CORNEUM
• CONSISTS MAINLY OF ANUCLEATE 4 - 6 LAYERS OF FLAT, DEAD KERATINOCYRTES? SEENONLY IN THICK SKIN

  STRATUM LUCIDUM
• 3 - 5 LAYERS OF FLAT KERATINOCYTES?

  STRATUM GRANULOSUM
• HISTIDINE - RICH PROTEIN?

  PROFILLAGRIN
• SEVERAL LAYERS OF KERATINOCYTES WHICH APPEAR SPINY DUE TO BREAKAGE?

  STARTUM SPINOSUM
• CONTAINS DENDRITIC LANGHERHAN CELLS?

  STRATUM SPINOSUM
• SINGLE LAYER CELLS ON BASEMENT MEMBRANE?

  STARTUM BASALE / STRATM GERMINATIVUM
• CONNECTS THE EPIDERMIS & DERMIS?

  DERMAL - EPIDERMAL JUNCTION
• CONNECTS THE BASAL KERATINOCYTE & BASEMENT MEMBRANE?

  HEMIDESMOSOMES
• THICKNESS OF DERMIS?

  0.6 MM TO 4.0 MM
• 2 HISTOLOGIC LAYERS OF DERMIS?

  RETICULAR & PAPILLARY
• 2 MAJOR TYPES OF FIBERS IN DERMIS?


  ELASTIC FIBERS & COLLAGEN TYPE I
• INCLUDE THE DERMAL PAPILLA WHICH PROJECT INTO THE DERMIS?

  PAPILLARY DERMIS
• FINGERPRINTS ALSO CALLED AS?

  DERMATOGLYPHICS
• ENCAPSULATED SENSORY RECEPTORS?

  MEISSNER'S CORPUSCLES
• AREA BETWEEN THE PAPILLARY DERMIS & SUBCUTANEOUS?

  RETICULAR DERMIS
• WHAT KIND OF CONNECTIVE TISSUE IS THE RETICULAR DERMIS?


  DENSE IRREGULAR CONNECTIVE TISSUE
• "TENSION LINES" IN THE SKIN?

  LINES OF CLEAVAGE
• REFLECT CONTOURS & FORM THE BASIS OF FINGERPRINTS?

  EPIDERMAL RIDGES
• STUDY OF THE PATTERN OF EPIDERMAL RIDGES?

  DERMATOGLYPHICS
• DERMIS IS ALSO CALLED?

  CORIUM