AP Biology Lab 1
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Adelinne Wenger Periods 1-2 Aim How can we make a mount of a leaf peel to study the structure and distribution of stomata? Introduction
Epidermis
Adelinne Wenger Periods 1-2 Aim How can we make a mount of a leaf peel to study the structure and distribution of stomata? Introduction
AnatomyFinal
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CHAPTER 6: SKIN AND THE INTEGUMENTARY SYSTEM OBJECTIVE 1: EXPLAIN WHY THE SKIN IS CALLED THE CUTANEOUS MEMBRANE The word ?cutaneous? means ?of the skin?. The term ?membrane? is referring to the thin layer that covers a space, cavity, or organ. The skin is the organ that is a thin layer in which covers the entire body. *REMINDER: the skin does more than just cover the body it carries multiple other duties in the body. OBJECTIVE 2: NAME THE LAYERS OF THE SKIN, DESCRIBE THE STRUCTURE (TISSUES) OF EACH, AND NAME A GENERAL FUNCTION OF EACH Epidermis: made of keratinized stratified squamous epithelium. Main Function is protection, also protects against moisture loss, prevents microorganisms / chemical entry, and prevents injury by penetration.
Animal and Plant Cell Lab
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Maia Regman Mrs. Magnan Biology Honors 28 October 2013 Plant and Animal Cells Objective The objective of this lab was to learn what a microscope reveals about plant and animal cells. The completion of this lab should teach the participant the differences between plant and animal cells and how to examine samples of the covering tissues of a plant (the onion) and of an animal (the participant) using the epidermis and cells from a cheek swab of epithelial tissue. Materials Packet Pages L14 to L16 Onion Chunks Compound Microscope Microscope Slides Covers Slips Water Pipette Lugol?s Iodine Solution Tweezers (optional) Paper Towels Flat Toothpicks Procedures. Part A: Cells of the Onion Epidermis Gently peel off one of the thin layers of the inside of the onion chunk.
BIO 1b plants 8
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Dr. Feldman?s Lecture Outlines - 12 Lecture 8, Shoots, primary structure -Shoot system -consists of leaves, branches, stems, flowers and fruits -Shoot apical meristem -established during embryogeny -responsible for extension growth -consist of leaf primordium (ia), bud primordia (ium) - protoderm ?> epidermis -ground meristem ?> pith and cortex -procambium ?> primary xylem and primary phloem -Shoot system as viewed in cross section -dicot -monocot -Axillary buds -Patterns and arrangements of leaves= phyllotaxis -Fibonacci series -When leaf arrangement was examined it was found that spirals could be drawn to connect up the leaves. The spirals could go both clock-wise and counter-clock- wise. The number of spirals running in the two directions is known as the Fi-
Anatomy Skin
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Describe the characteristics of first, second and third degree burns. First degree: epidermal damage; redness; minor pain ? Second degree: blisters; some dermal damage; pain; regeneration possible ? Third degree: dermal layer destroyed; no pain b/c nerve endings destroyed; requires grafting b/c regeneration impossible ? What skin layer provides the main defense against bacteria and injury (book 155)? Stratum corneum (lots of layers and keratinized) What is another name for an outward thickening of the stratum corneum (horny layer) of the skin (book 152)? Callus (from persistent friction which increases cell production) ? Which layer of epidermal cells is mitotic? Stratum basale (germinativum) where new keratinocytes are being formed
Anatomy Skin
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Describe the characteristics of first, second and third degree burns. First degree: epidermal damage; redness; minor pain ? Second degree: blisters; some dermal damage; pain; regeneration possible ? Third degree: dermal layer destroyed; no pain b/c nerve endings destroyed; requires grafting b/c regeneration impossible ? What skin layer provides the main defense against bacteria and injury (book 155)? Stratum corneum (lots of layers and keratinized) What is another name for an outward thickening of the stratum corneum (horny layer) of the skin (book 152)? Callus (from persistent friction which increases cell production) ? Which layer of epidermal cells is mitotic? Stratum basale (germinativum) where new keratinocytes are being formed
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