amanda smith powerpoint slide show203
TRANSCRIPT
Groups of cells are similar in structure and function
Classified by layers and shape
Four typesEpithelialConnectiveMuscle Nervous
Tissues
Cellularity Special contacts Polarity Supported by connective
tissue Avascular Regenerative Three types
Simple epithelial Stratified epithelial Transitional
Transitional Epithelial Tissue
Cell layers Stretchable
Simple Epithelial Tissue Single layer Three types
Simple squamosSimple columnarSimple cuboidal
Simple Squamous Epithelial Single layer of
flattened cells Disc shaped central
nuclei Diffusion, Filtration Slick
Simple Columnar Epithelial Tissue Single layer Tall cells Oval nuclei Cilia
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Simple Cuboidal Single Layer Cube like cells
Stratified Epithelial Tissue Several layers Three types
SquamousColumnar
Cuboidal
Stratified Squamous Epithelial Tissue Several layers Protective
Stratified Columnar Epithelial Tissue Limited
distribution in body
Stratified Cuboidal Epithelial Rare Usually two layers
thick
Home/ Stratified Squamos/ Stratified Columnar/ Stratified Epithelial Tissues/ Epithelial Tissues
Connective Tissue Widely distributed in body Binds and Supports Protects and insulates Transports Mesenchyme Varying degrees of vascularity Cell types
Fibroblasts Chondroblasts Osteoblasts Hemapoietic stem cells
Four types Connective Tissue Proper Connective tissue Blood Connective Tissue Bone
Connective Tissue Cartilage
Home/ Connective Tissue Proper/ Blood/ Bone/ Cartilage
Connective Tissue Proper Fibroblasts Two Types
Loose Dense
Home/ Loose/Dense/Blood/ Bone/ Cartilage/ Connective Tissues
Loose Connective Tissue Proper Well vascularized Widely distributed
throughout the body Wraps and cushions organs Two types
Adipose Reticular
Home/ Adipose/ Reticular/ Loose Connective Tissue/ Connective Tissue Proper/ Connective Tissue
Adipose (fat) Loose Connective Tissue Proper A lot of ground
substance High nutrient storing
ability Adipocytes Nucleus on one side Richly vascularized Insulates Absorbs shock Stores energy
Home/ Reticular/ Loose Connective Tissue/ Connective Tissue proper/ Connective Tissue
Reticular Loose Connective Tissue Proper Loose ground
substance Reticular fibers Soft internal skeleton
Home/ Dense Regular Connective Tissue/ Dense Irregular Loose Connective Tissue/ Connective Tissue Proper/ Connective Tissue
Dense Regular Connective Tissue Proper A lot of fibers Little ground space Parallel fibers Fibroblasts Muscle to Muscle,
Muscle to bone, Bone to Bone
Home/ Dense Irregular Connective Tissue/ Connective Tissue proper/ Connective Tissue
Dense Irregular Connective Tissue Proper Irregular
arangements of fibers Fibroblasts Expands in many
directions
Home/Dense Regular Connective Tissue Proper/ Connective Tissue Proper/ Connective Tissue
Cartilage Connective Tissue Chondrocytes Extracellular fibers Ground substance Three types
Home/ Hyaline Cartilage/ Elastic Cartilage/ Fibrocartilage/ Connective Tissue
Hyaline Cartilage Connective Tissue Most abundant Supports Reinforces Cushions Resists Compression
Home/ Elastic Cartilage/ Fibrocartilage/ Cartilage/ Connective Tissue
Elastic Cartilage Connective Tissue Many elastic fibers Maintains shape and
structure Allows flexibility
Home/ Hyaline Cartilage/ Fibrocartilage/ Cartilage/ Connective tissue
Fibrocartilage Less firm Matrix
than Hyaline Thick collagen fibers Tensile strength Absorbs compression
shock
Home/ Hyaline Cartilage/ Elastic Cartilage/ Cartilage/ Connective Tissue
Hard matrix Osteocytes Supports Protects Provides levels for
muscular action Stores calcium,
minerals, and fat Marrow Hematopoiesis
Home/ Connective Tissue
Fluid Matrix Red and white
cells Transports
Home/ Connective Tissue
Branched neurons
Transmits electrical signals
Home/ Neurons
Neurons Cell body Nerve processes
Home/ Nervous Tissue
Muscle Tissue Common Contractions Three types
SmoothSkeletal
Cardiac
Home/ Smooth Muscle/ Skeletal Muscle/ Cardiac Muscle
Skeletal Muscle Tissue Long cylinder shaped
cells Multinucleate cells Obvious striations Voluntary
movements
Home/ Smooth Muscle/ Cardiac Muscle/ Muscle Tissue
Cardiac Muscle Tissue Branching, striated
cells One nucleus Interlock at
intercalated discs Propels blood into
circulation
Home/ Smooth Muscle/ Skeletal Muscle/ Muscle Tissue
Smooth Muscle Tissue Spindle shaped cells Central nuclei No striations Propels substances
along internal passageways
Home/ Skeletal Muscle/ Cardiac Muscle/ Muscle
Credits Voice on all slide by Amanda Smith
Slide1- Image- Amanda Smith Slide 2 - Image permission from flickr.com user
Akay Slide 3 - Image by Amanda Smith Slide 4 - Image by Amanda Smith Slide 5 - Image by Amanda Smith Slide 6- Image by Amanda Smith Slide 7 - Image by Amanda Smith Slide 8 - Image by Amanda Smith Slide 9 - Image by Amanda Smith
Credits Slide 10 - Image by Amanda Smith Slide 11 - Image Permission from flickr.com user Akay Slide 12 - Image Permission from flickr.com user Akay Slide 13 - Image Permission from flickr.com user Akay Slide 14 - Image Permission from flickr.com user Akay Slide 15 - Image by Amanda Smith Slide 16 - Image from www.unm.edu Slide 17 - Image by Amanda Smith Slide 18 - Image Permission from flickr.com user Akay Slide 19 - Image Permission from flickr.com user Akay Slide 20 - Image by Amanda Smith
Credits Slide 21 - Image by Amanda Smith Slide 22 - Image by Amanda Smith Slide 23 - Image by Amanda Smith Slide 24 - Image by Amanda Smith Slide 25 - Image by Amanda Smith Slide 26 - Image permission from flickr.com User
JTPalmer Slide 27 - Image permission from flickr.com User
Akay Slide 28 - Image by Amanda Smith Slide 29- Image by Amanda Smith Slide 30 - Image by Amanda Smith