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Stack #722237

Chapter 4 (Tissues, Glands, and Membrane)

QuestionDescription
Epithelium or epithelial tissue It covers internal and external surfaces, and also forms most glands
What are the functions of Epithelial tissue 1. Protection 2. Acting as barriers 3. Permitting the passage of substances 4. Secreting substances 5. Absorbing substances
Simple Epithelium A single layer of cells
Stratified epithelium Mora than one layer of epithelial cells
Squamous When the epithelium based on cell shape is flat
Cuboidal When the epithelium based on cell shape is cubelike
Columnar When the epithelium based on cell shape is tall and thin
Simple squamous epithelium A single layer of thin, flat cells
Simple cuboidal epithelium A single layer of cubelike cells
Single columnar epithelium A single layer of tall, thin cells
Pseudostratified columnar epithelium A special type of simple epitheloum. Pseudo- means false, so it appears to be stratified but it's not
Stratified squamous epithelium Forms a thick epithelium because it consists of many layers of cells
Gland Is a multicellular structure that secretes substances onto a surface
Hormones The secretions that are carried by the blood
Endocrine Glands Glands have no ducts and empty their secretions into the blood
Collagen Fibers Flexible but resist stretching
Reticular Fibers Very fine, short, collagen fibers that branch ti form a supporting network
Elastic Fibers Have a structure similar to coiled metal bed springs. Have the ability to recoil to their original shape
Function of Connective Tissue 1. Enclosing and separating 2. Connecting tissues to one another 3.Supporting and moving 4. Storing 5. Cushioning and insulating 6. Transporting 7. Protecting
Dense collagenous tissue An extracellular matrix consisting mostly of collagen fibers
Dense elastic connective tissue Has abundant elastic fibers among collagen fibers
Loose or areolar connective tissue Are widely separated from one another
Adipose Tissue Has a matrix with protein fibers, it is not a typical connective tissue
Cartilage Is composed of cartilage cells
H
Created by: Leonardo_Ramos
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