'Epidermis' diaporamas de présentation

Integumentary System

Integumentary System. Chapter 5. Objectives: 1- Describe the functions of the integumentary system. 2- Identify the major structures found in the three layers of the skin. 3. Describe the anatomy and physiology of hair and nails 4. Define some common dermatopathological disorders.

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Leaf Structure

Leaf Structure. 1. Whorled. Leaves grow all the way around the stem. 2. Petiole. The small stem that attaches a leaf to the main stem. 3. Blade. The large, flat part of the leaf. 4. Midrib. Large center vein from which all other veins extend. 5. Veins.

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Reproductive Structures in Flowering Plants

Reproductive Structures in Flowering Plants. Flowers Reproductive shoots of sporophytes Flowering plants make sexual spores in male stamens and female carpels of floral shoots Gametophytes develop from the spores Pollen grains contain male gametophytes

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The Integumentary System

The Integumentary System. I. Functions: A. Protection B. Temperature regulation C. Excretion D. Vitamin D synthesis (calcitriol) E. Sensation. II. Anatomy of the skin. A. Three regions 1. Epidermis (surface coat) stratified epithelium

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Plant Cells and Organs

Plant Cells and Organs. Plants that produce seeds are better suited for life on land. Seeds turn into seedlings and finally into adult trees. They are able to do this by undergoing mitosis and cell specialization

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Honey bee biology

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PLANT TRANSPORT LECTURE

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Stems - I

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Phylum : Platyhelminthes The Flatworms

Phylum : Platyhelminthes The Flatworms. Acoelomates. Classes of Platyhelminthes. Class Turbellaria (e.g., Planaria ) The Flukes Class Trematoda (e.g., Fascioloaris, Clonorchis ) Class Monogenea Class Cestoda (e.g., Taenia ). General Characteristics. Free-living or parasitic

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Photosynthesis: Life from Light and Air

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Introduction To Plant Science

Introduction To Plant Science . Introduction To AgriScience and Technology GHS Mr. Ham. Objective 1.1 What roles do plants serve in the ecosystem. Plants serve several roles in our ecosystem by providing the following items: Oxygen Food Reduce soil erosion Medicines.

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Fish Anatomy, Physiology and Health

Fish Anatomy, Physiology and Health. The anatomy of a fish. Fins. Made of stiff rays covered by skin Some are bony and stiff Cichild fish have one dorsal, but it has two names, a spiny dorsal and a soft dorsal The number of rays in a fin are used for species ID and classification. Skin.

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Plant Structure (Chap. 29)

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Plant Structure

Plant Structure. Plant Tissues. A tissue is a group of cells organized to form a functional unit or a structural unit Plants have 3 tissue systems: Ground tissue (3 types) Vascular tissue (xylem and phloem) Dermal tissue (exterior). Ground tissue.

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Plant Parts and Their Functions

Plant Parts and Their Functions. Joel Berry Topic # 2014 A/B. Diversity in the Plant World. http://www.uky.edu/Projects/SeedBiology/images/corn.jpg. http://entomology.wisc.edu/~cullen/research/Soybean-Aphid_Hayes.jpg. http://cropandsoil.oregonstate.edu/crops/seeds/ogscr/sowhwh/head.jpg.

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Chapter 29.2

Chapter 29.2. Two Categories of Plant Tissues. AP Biology Spring 2011. Simple Tissues. Parenchyma: makes up most of the soft, moist primary growth of plants Thin walled, pliable cells are alive at maturity and retain the capacity to divide

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Fundamentals of Pharmacology for Veterinary Technicians

Fundamentals of Pharmacology for Veterinary Technicians. Chapter 17 Drugs for Skin Conditions. Basic Anatomy and Physiology. The skin is made up of three layers: Epidermis (the most superficial layer that contains cells, but not blood vessels)

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Phylum Annelida (Segmented Worms)

Phylum Annelida (Segmented Worms). 15,000 Annelid species Bilaterally symmetrical coelomates Coelomes divided into partitions by septa Inhabit marine, fresh water, & moist environments Has complex digestive system Has closed circulatory system Epidermis is primary gas exchange organ

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Skin Structure

Skin Structure. Epidermis. Dermis. Epidermis. Differentiation Cells move from basal layer to stratum corneum Synthesis & modification of proteins, especially keratins Appearance of new organelles, reorganization of organelles, loss of organelles Change in cell size & shape

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