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