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34 Cards in this Set
- Front
- Back
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Connective Tissue
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Most Durable
Most Widespread |
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Epithelium Tissue
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Lines Body Cavities
Covers External Surfaces |
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Muscles Tissue
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Specialised to Contract
Composed of Voluntary and Involuntary |
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Nervous Tissue
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Transmits Electrochemical Impulses
Composed of 2 Major cell Populations |
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Epithelial Characteristics
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Polarity
Cellularity Supported by connective tissue Avascularity Regeneration |
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Polarity
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Membranes have an apical surface and basal surface
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Cellularity
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Cells close together in sheets
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Avascularity
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No Blood Supply
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Regeneration
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Important because epithelia subject to friction
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Epithelial Tissues
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Classified by # of layers and shape of cells
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Connective Tissue
Characteristics |
Most Widespread
Common Origin Varied Vascularity Large Extra Cellar Matrix |
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Neuron Physiological Characteristics
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Irritability
Conductivity |
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Adipose Tissue
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Insulates against Heat Loss
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Cardiac Tissue
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Tissues of the Heart
Muscle Tissue that has intercalated Discs |
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Dense Fibrous
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The Dermis of the Skin
Attaches bones to bones and muscles to muscles |
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Fibrocartilage
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makes up the intervertebral discs
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Simple Squamous
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Found in the Alveolar Sacs of Lungs
Forms this Serous Membrane |
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Skeletal
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Muscle Tissue that is voluntary controlled
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Smooth
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Found in the walls of the stomach, uterus and arteries
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Protective functions of skin
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Prevention
Insulates Cushions Protection |
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Prevention
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Dessication, bacterical invasion, mechanical and chemical damage
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Protection
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Against Thermal and UV Damage
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Keratin
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Gives the epidermis durability and protective capabilities
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Melanin
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Provides an protective pigment umbrella over the nucleus of cells
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Langerhans's Cells
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Plays a role in immunity
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Accessory Organs of the Skin
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Nails,
Hair, Cutaneous glands Sweat Glands |
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Common Fingerprint Patterns
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Whirls
Arches Loops |
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Stratum Basale
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Constantly undergoing cell division
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Stratum Spinosum
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Known as the spiny layer
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Stratum Granulosum
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Known as the granular Layer
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Stratum Lucidum
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Very thin band of Flattened dead Kertainocytes
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Stratum Corneum
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Outermost layer
Consisting of 20-30 cell layers |
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Meissner's Corpuscles
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Responsible for Touch
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Pacinian Corpuscles
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Responsible for Pressure
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