Presentation is loading. Please wait.

Presentation is loading. Please wait.

THE SKIN. Functions of the skin Protection from injury Protection from invasion of microorganisms Helps to regulate body temperature Has receptors for.

Similar presentations


Presentation on theme: "THE SKIN. Functions of the skin Protection from injury Protection from invasion of microorganisms Helps to regulate body temperature Has receptors for."— Presentation transcript:

1 THE SKIN

2 Functions of the skin Protection from injury Protection from invasion of microorganisms Helps to regulate body temperature Has receptors for sense of touch including pain

3 Word Components Word RootCombining form Meaning Dermderm/o, dermat/o -derma skin Act 1

4 Layers of the Skin Epidermis – outer layer Dermis – inner layer

5 The Epidermis Outer layer is composed of dead cells(scales) i.e.stratum corneum Act 2

6 Word Components Word Root Combining form Meaning Keratkerat/o thick horny layer of epidermis Act 3

7 Word Components Word RootCombining formMeaning AcanthAcanth/ospiny Crycry/ocold CutaneCutane/oskin Cyancyan/oblue hidrhidr/osweat, perspiration hidradenhydraden/osweat gland keratkerat/ohorny, epidermis, cornea

8 Word Components Word RootCombining formMeaning Melanmelan/omelanin, dark pigment, black pigment Onychonych/onail Pilpil/ohair or composed of hair Pypy/opus schizschiz/osplit Sebseb’osebum. Used to mean secretion of the sebacious glands Squamsquam/oscaly Trichtrich/ohair

9 Appendages of skin Hairs Sebaceous glands Sweat glands nails

10 Word Components Prefix / SuffixMeaning Auto-self - Auxisincreas Cryptohidden -dermaskin -Lysisbreakdown,disintergration Pachy-thick Para-beside, near -Phagiacondition of eating -Phyteplant, fungus

11 Word Components Prefix / SuffixMeaning -Poiesisformation -Rrhexisbreak, rupture -Schisissplitting, parting -Tomecutting instrument Xantho-yellow Xero-dry

12 Sebaceous Glands Open into side of hair follicle Produce sebum Sebum is an oily secretion which lubricates & waterproofs hair & skin Excessive secretion of sebum can cause acne vulgaris i.e. inflamed skin which develops pus filled pimples Act 4

13 Conditions and Terms Abrasionscratch Acanthosisthickening of prickle layer of skin Alopecialoss of hair Cicatrixscar Cyanosisbluish discolouration of skin Eczemaendogenous skin inflammation pachydermaovergrowth or thickening of skin Papuleraised spot on skin pruitisitching

14 Conditions and Terms Puralentcontaining pus Trichosisabnormal growth of hair

15 Procedures Biopsyexcision of tissue fro examination Cauterydestroying tissue by electricity, freezing, or chemicals Debridementremoval of dead tissue around a wound Escharotomyremoval of burn scar tissue LASERLight Stimulated Emission of Amplification by Radiation; intense heat to small areas in surgical procedures skin graftingtissue taken from one place to replace skin of defect of another

16 Abbreviations BCC Basal Cell Carcinoma form of skin cancer, slow growing malignant tumour SCC Squamous Cell Carcinoma malignant tumour found in upper layer of skin BXbiopsy KSKaposi’s sarcoma SPFsun protection factor STskin test STDskin test dose STUskin test unit Ungointment


Download ppt "THE SKIN. Functions of the skin Protection from injury Protection from invasion of microorganisms Helps to regulate body temperature Has receptors for."

Similar presentations


Ads by Google