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Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
Integumentary system
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Integumentary system

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  • 1. Integumentary SystemJanice V. Ng, MSc2nd SEM 2012-2013
  • 2.  Protection Regulatory function Sensation Excretion Respiration
  • 3.  Invertebrates Unicellular Protozoans Multicellular - epidermis Phylum Porifera Phylum Cnidaria Phylum Platyhelminthes Phylum Nematoda Phylum Annelida Phylum Arthropoda Phylum Echinodermata Vertebrates Multicellular Phylum Chordata Class Amphibia Class Mammalia
  • 4. Protozoan Amoeba Cell membrane Paramecium Cell membrane Pellicle
  • 5. Phylum Porifera Epidermis = Pinacoderm pinacocytes Choanocytes Mesoglea (mesohyl)Grantia
  • 6. Phylum Cnidaria Epidermis Cnidocytes Cnidocysts/nematocysts Mesoglea GastrodermisHydra
  • 7. Phylum Platyhelminthes (flatworm) Class Turbellaria Class Monogenea ClassTrematoda (flukes) Class Cestoda (tapeworms)
  • 8. Class Turbellaria Ventrally ciliated epidermis Rhabdites Gland cellsDugesia/ Planaria
  • 9. Class Trematoda Epidermis  syncytial tegumentFasciola
  • 10. Phylum Nematoda (roundworm) Cuticle Epidermis/Hypodermis syncytial Muscle layer Longitudinal musclesAscaris
  • 11. Phylum Annelida (segmented worm) Cuticle Epidermis Muscle layers Circular LongitudinalLumbricus
  • 12. Phylum Arthropoda Cuticle (chitinized) Epidermis Molting/Ecdysis
  • 13. Phylum Echinodermata Epidermis Spines Dermis with ossiclesStarfish (arm)
  • 14. Class Amphibia Stratified epidermis Stratum corneum - contains keratin Stratum germinativum/mucosum/profundum/malphigii Glands: (extending into dermis) Mucous and Poisonglands Chromatophore Dermis - fibrous CT Stratum spongiosum Stratum compactum Subcutaneous layerFrog
  • 15. Class Mammalia Stratified Epidermis Glands: (extending intodermis) Sweat andSebaceous glands Dermis Hypodermis (superficialfascia)L.S of human skin/scalpC.S of human scalp

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