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Chapter 4 Human Bio

Tissues, Glands, and Membranes

epithelial tissue the thin tissue forming the outer layer of a body's surface and lining the alimentary canal and other hollow structures.
functions of Epithelial tissue protect, secret, permeate
Simple Epithelium one layer
Stratified Eipithelium more than 1 layer
Squamous flat
Cuboidal cubed
Columnar column shape
Simple Squamous Epithelium 1 flat layer
Simple Cuboidal Epithelium 1 cube layer
Simple Columnar Epithelium 1 column layer
Pseudostratified Columnar Epithelium more than one layer of mostly column shapes
Stratified Squamous Epithelium more than one layer of flat
Gland a secreting cell or group of cells on or within a plant structure
Hormones a regulatory substance produced in an organism and transported in tissue fluids such as blood
Endocrine Glands glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct.
Collagen Fibers any of a family of extracellular, closely related proteins occurring as a major component of connective tissue, giving it strength
Reticular Fibers Any of the small, branching, argyrophilic, intercellular fiber elements that may be continuous with collagen fibers
Elastic Fibers Elastic fibres (or yellow fibres) are bundles of proteins (elastin) found in extracellular matrix of connective tissue and produced by fibroblasts and smooth muscle
Function of Connective Tissue is responsible for providing structural support for the tissues and organs of the body.
Dense Collagenous Tissue mainly composed of collagen type I. Crowded between the collagen fibers are rows of fibroblasts, fiber-forming cells
Dense Elastic Connective Tissue tissue in which collagen and elastic fibers are found running in all different directions and planes.
Loose or areolar connective Tissue is extremely loose. It is a category of connective tissue which includes areolar tissue, reticular tissue, and adipose tissue
Adipose Tissue specialized connective tissue that functions as the major storage site for fat in the form of triglycerides
Cartilage a flexible connective tissue found in many areas in the bodies of humans and other animals, including the joints between bones
Hyaline Cartilage consists of a slimy mass, pearly bluish in colour with firm consistency and considerable collagen. It contains no nerves or blood
Bone Tissue a specialized form of connective tissue and is the main element of the skeletal tissues
Muscle Tissue a very specialized tissue that has both the ability to contract and the ability to conduct electrical impulses
Muscle Fibers Fast and slow twitch muscle fibers (or Type I and Type II fiber types). Does muscle fiber type determine an athlete's strength, power, speed and endurance
Skeletal Muscle s a form of striated muscle tissue existing under control of the somatic nervous system- i.e. it is voluntarily controlled
Cardiac Muscle is a type of involuntary striated muscle found in the walls and histologic foundation of the heart, specifically the myocardium
Smooth Muscle an involuntary non-striated muscle.
Nervous Tissue specialised to react to stimuli and to conduct impulses to various organs in the body which bring about a response to the stimulus
Action Potentials a short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls
Neurons or nerve cells nerve cells that transmit nerve signals to and from the brain at up to 200 mph
Membrane A flexible enclosing or separating tissue
Mucous Membranes A membrane lining all body passages that communicate with the air, such as the respiratory and alimentary tracts, and having cells.
Serous Membranes a smooth membrane consisting of a thin layer of cells which secrete serous fluid
Pleural Membranes a double-layered serous membrane found in the thoracic cavity.
Pericardial Membranes divided into three layers: Fibrous Pericardium - the outer fibrous sac that covers the heart.
Peritoneal Membranes the serous membrane that forms the lining of the abdominal cavity or the coelom — it covers most of the intra-abdominal (or coelomic) organs
Inflammation a process by which the body's white blood cells and chemicals protect us from infection and foreign substances such as bacteria and viruses
How tissues repair works and the steps A temporary repair-a clot that plugs the defect,fix. Inflammatory cells and then fibroblasts and capillaries gotothe clot- form a contractile granulation tissue that draws the wound margins together;the cut epidermal edges cover the denuded wound surface.
Created by: reuvers248