'Stratum basale' diaporamas de présentation

Exercise 7 - OBJECTIVES

Exercise 7 - OBJECTIVES. Describe several important functions of the skin, as part of the integumentary system. Identify, describe the anatomy, and characterize the distribution of the following skin structures: Epidermis Stratum corneum Stratum lucidum Stratum granulosum Stratum spinosum

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2020 Anatomy & Physiology (B & C)

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Photosensitivity and Skin Cancer

Photosensitivity and Skin Cancer. Dermatology BM2023 Dr Tim Scott-Taylor Health and Human Sciences. Topics. Revision of structure & function of epidermis Effects of irritants and insults on skin Pathological effects of ultraviolet on skin Kinds of skin tumours; benign lesions

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Chapter 4

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Chapter 4

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INTEGUMENTARY SYSTEM

INTEGUMENTARY SYSTEM. Bio 137 Anatomy & Physiology I. Organ System. Groups of closely related organs that work together to perform similar functions For each organ system studied, know: What are the organs that compose the system? What are the functions of the system?.

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Skin and Body Membranes

Skin and Body Membranes. Chapter 4. Body Membranes . Cover surfaces, line body cavities, and form protective (and often lubricating) sheets around organs. Two major groups 1. Epithelial membranes Cutaneous Mucous Serous 2. Connective tissue membranes Synovial. Focus here!.

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Chapter 11 Skin

Chapter 11 Skin. Structure of skin ---epidermis ---dermis. Epidermis ---keratinised stratified squamous epithelium ---consist of keratinised cell and non-keratinised cell. ? keratinised cell : ---from basal to surface , we can classify the cells into five layers.

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Skin Structure and Color

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Skin Integumentary system 2009

Skin Integumentary system 2009. Skin (cutis, derma ). The heaviest organ in the body - 16% of weight Size: 1,2-2,3m 2 Function: Protection (mechanic, from desiccation) Thermoregulation Sweat glands (perspiratio insensibilis) Changes in blood flow Excretion of salt (iron looses)

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THE INTEGUMENTARY SYSTEM

THE INTEGUMENTARY SYSTEM. Skin and its Derivatives. TYPES OF MEMBRANES. Epithelial + Connective Tissue Serous Cutaneous Mucous Connective Tissue Synovial. Serous Membranes. Line body cavities that have no openings to outside. Secrete watery fluid. Simple squamous epith + loose CT.

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Unit 3: Integumentary System

Unit 3: Integumentary System. Chapter 5. What is integument?. Integument/Integument system: Debated as to whether or not your skin is an organ or organ system Accounts for 16% of body weight 2 Major Components: 1-Skin or Cutaneous Membrane Epidermis Dermis Hypodermis

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The Integumentary System

The Integumentary System. The Skin and its Appendages. The Skin. Two main components Epidermis Dermis (Hypodermis). Epidermis. Cells of the Epidermis Keratinocytes Melanocytes Dendritic Cells (Langerhans cells). Epidermis. Layers of the Epidermis Thick Skin Stratum Basale

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Integumentary System

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Chapter 6 Skin and the Integumentary System

Chapter 6 Skin and the Integumentary System. You will be able to: ACOS 5 Identify anatomical structures and functions of the integumentary system Identify accessory organs Recognize diseases and disorders of the integumentary

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The Integumentary System

The Integumentary System. Chapter 20B. Functions of the Skin. Protection Sensation Temperature regulation Excretion Vitamin D manufacture Absorption. Layers of the Skin. Epidermis Dermis Subcutaneous layer. Epider mis. Outermost layer of skin, made of epithelial tissue

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The Integumentary System

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Structure of the Skin

Structure of the Skin. By Jeeves. Main Layers. The skin is composed of 3 layers (superficial to deep): Epidermis Dermis Hypodermis (subcutaneous tissue). The Epidermis. 5 Layers (deep to superficial) Stratum basale Stratum spinosum Stratum granulosum Stratum lucidum

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Stratum basale

Stratum basale. Close to the blood supply in the dermis Only stratum healthy enough to reproduce Daughter cells are pushed upward as more cells are produced . . . and eventually die. Stratum basale. Close to the blood supply in the dermis Only stratum healthy enough to reproduce

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