Antimicrobial Activity of Cilantro on Staphylococcus Epidermis and Escherichia coli Abstract Antimicrobial effects of cilantro against the gram positive bacteria S. epidermis and the gram negative bacteria E. coli were looked at. We predicted that cilantro would act as an antibiotic against S. epidermis but not to E. coli because S. epidermis does not contain an outer membrane whereas E coli. does. We predicted that the semi-permeable outer membrane of E. coli would protect the bacteria from
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The skin consists of an outer‚ protective layer (epidermis) and an inner‚ living layer (dermis). The top layer of the epidermis is composed of dead cells containing keratin‚ the horny protein that also makes up hair and nails. The skin is made up of two layers‚ the epidermis and the dermis. The epidermis‚ the upper or outer layer of the skin‚ is a tough‚ waterproof‚ protective layer. The dermis‚ or inner layer‚ is thicker than the epidermis and gives the skin its strength and elasticity. The
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hair are composed of the protein keratin‚ the same hard protein material that feels the cells of the epidermis. The process of hair formulation is much like the process of growth in the epidermal layer of the skin. 2.Epidermis-Is composed of the stratified squamous epithelium. This type of epithelial tissue consists of flat scale-like cells arranged in overlapping layers or strata. The epidermis does not have a blood supply or any connective tissue so it is dependent for nourishment on the deeper
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The role of the skin in maintenance of homeostasis The skin is the single largest organ that covers the entire surface of our body and consists of two layers mainly the epidermis and the dermis. Also beneath the dermis is the subcutaneous layer which is not part of the skin but separates the integument from muscles and bones‚ which will be included in the essay as tissue fibres are connected with those of the dermis. The main functions of the skin are protection of the tissues and organs that lie
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Sebaceous(oil) gland|9 Epidermis| 4 Hair follicle|10 Subpapillary vascular plexus| 5 Eccrine sweat gland|11 Dermal papillae| 6 Hair follicle receptor(root hair plexus)|12 Pore| QUESTIONS: A. How does the skin tan when exposed to ultraviolet light? When exposed to the sun’s UV rays‚ your skin’s melanocytes produce melanin‚ the dark pigment that creates a tan. A tan is your skin’s attempt to prevent UV rays from doing any further damage to the sensitive skin cells in your epidermis.
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between the epidermis and the subcutaneous tissues. It consists of a variable type of fibrous connective tissue which cushions the body from stress and strain. Also‚ the dermis provides tensile strength and elasticity to the skin through its dermal fibres (collagen‚ reticular‚ and elastic fibres) that are embedded in an extrafibrillar matrix [72‚ 73]. The dermis is approximately 15 to 40 times thicker than the epidermis and can be further divided into a superficial part adjacent to the epidermis‚ the papillary
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Ridge ending * The enclosed ridge event is a spur * Island ridge * Pores * Ridge ending * Bifurcation * Ridge ending ("Fingerprint analysis-The Basics”) Part 2 The skin is an organ composed of three anatomical layers: epidermis‚ dermis‚ and hypodermis. These anatomical layers together function to provide the body with a protective barrier‚ body temperature regulation‚ sensation‚ excretion‚ the outer layer of skin
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Skin: From growth to the Healing Process In this paper I am going to discuss many different topics related to our skin. When discussing the skin. a good place to start is the different layers of the skin. The skin has three different layers: the epidermis‚ the dermis and the subcutaneous
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skin are epidermis and dermis. 7. The outer layer is called the epidermis and is composed of stratified squamous epithelium. 8. The inner layer is called the dermis and is made up of connective‚ epithelial‚ muscle‚ nervous‚ and blood tissue. 9. A basement membrane separates the two skin layers. 10. The subcutaneous layer is beneath the dermis. 11. The subcutaneous layer is composed of loose connective tissues and adipose tissue. B. Epidermis 1. The epidermis lacks blood
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Skeletal‚ Muscular‚ and Integumentary System The Muscular System Our muscular system provides the main source of force to put our bodies into motion. More than 40% of our body mass is composed of muscle. Types of Muscular Tissue There are three types of muscle tissue: 1. Skeletal Voluntary movement‚ attached to bones. 2. Smooth Involuntary movement‚ found in digestive tract‚ circulatory system‚ etc. 3. Cardiac Involuntary movement‚ found only in heart. Muscle Contraction Skeletal Muscle
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