8/11/2019 Different types of tissue

1/6

Simple Squamous Epithelial SIMPLE SQUAMOUS EPITHELIUM

DESCRITION: Single layer of flattened cells with disc

shape central nuclei

FUNCTION: Filtration and Diffusion

LOCATION: Nasal Cavity, Skin, and Lungs

Simple Cuboidal epithelium (x/s Human kidney) SIMPLE CUBOIDAL EPITHELIUM

DESCRIPTION: Single layer of cube like cells with large

spherical central nuclei

FUNCTION: Secretion

LOCATION: Thyroid gland, Kidney, and Ovaries

Simple Columnar ciliated epithelium (x/s Large intestine) SIMPLE COLUMNAR EPITHELIUM

DESCRIPTION: Single layer of tall cells with oval nuclei;

some cells bear cilia; some cells bear goblet cellsFUNCTION: Absorption

LOCATION: Gastrointestinal tract and Stomach

Pseudostratified ciliated columnar epithelium PSEUDOSTRATIFIED COLUMNAR EPITHELIUM

DESCRIPTION: Single layer cell of different height;

nuclei seen at different levels; may contain goblet cells

and bear cilia

FUNCTION: Secretion, particularly mucusLOCATION: Trachea

Stratified Keratinized Squamous Epithelium (Skin) STRATIFIED SQUAMOUS EPITHELIUM

DESCRIPTION: Composed of several cells layer; basal

cells are cuboidal and columnar; surface cells are

flattened (squamous)

FUNCTION: Protection

LOCATION: Esophagus

8/11/2019 Different types of tissue

2/6

Statified non-keratinized squamous epithelium (Esophagus)

STRATIFED CUBOIDAL EPITHELIUM

DESCRIPTION: Generally two layers of cube like cells

FUNCTION: Protection

LOCATION: Sweat glands and Salivary glands

STRATIFIED COLUMNAR EPITHELIUM

DESCRIPTION: Several cell layers; basal cells usually

cuboidal; superficial cells elongated and columnarFUNCTION: Protection and Secretion

LOCATION: Male Urethra

Transitional Epithelium TRANSITIONAL EPITHELIUM

DESCRIPTION: Resembles both stratified squamous

and stratified cuboidal; basal cells cuboidal and

columnar; surface cells dome shape or squamous like

FUNCTION: Stretches readily and permits distension of

urinary organ

LOCATION: Urinary bladder and Urethra

Areolar Connective Tissue AREOLAR CONNECTIVE TISSUE (LOOSE)

DESCRIPTION: Gel like matrix with all three fiber

types: fibroblast, mast cell and macro phalanges

FUNCTION: Wraps and cushions

LOCATION:

Adipose Tissue (adipocyte circle with dot) ADIPOSE CONNECTIVE TISSUE (LOOSE)

DESCRIPTION: Closely packed adipocytes, or fat cells;

have nucleus pushed to the side by large fat droplet

FUNCTION: Provides reserve food fuel

LOCATION: Under the skin and Breast

8/11/2019 Different types of tissue

3/6

Reticular Tissue RETICULAR CONNECTIVE TISSUE (LOOSE)

DESCRIPTION: Network of reticular fibers in a typical

loose ground substance

FUNCTION: Supports other cells

LOCATION: Spleen and bone marrow

Tendon dense-regular DENSE REGULAR CONNECTIVE TISSUE (DENSE)

DESCRIPTION: Primarily parallel collagen fibers; major

cell type is the fibroblast

FUNCTION: Attaches muscles to the bone

LOCATION: Tendons

DENSE IRREGULAR CONNECTIVE TISSUE (DENSE)

DESCRIPTION: Primarily irregularly arranged collagen

fibers; major cell type is the fibroblast

FUNCTION: Provides structural strength

LOCATION: Fibrous capsules

ELASTIC CONNECTIVE TISSUE (DENSE)

DESCRIPTION:

FUNCTION:LOCATION:

Hyaline Cartilage HYALINE CARTILAGE CONNECTIVE TISSUE

DESCRIPTION: Amorphous but firm matrix collagen

fibers form an imperceptible network

FUNCTION: Support and reinforce

LOCATION: Cartilages of the Nose, Trachea and Larynx

Fibrocartilage FIBROCARTILAGE CONNECTIVE TISSUE

DESCRIPTION: Matrix similar to but less firm than in

hyaline cartilage; thick collagen fibers predominate

FUNCTION: Absorb comprehensive shock

LOCATION: Knee joint and intervetebral discs

8/11/2019 Different types of tissue

4/6

Elastic Cartilage ELASTIC CARTILAGE CONNECTIVE TISSUE

DESCRIPTION: Similar to hyaline cartilage but more

elastic fibers in matrix

FUNCTION: Maintains shape and flexibility

LOCATION: Ear - Pinna

BONE TISSUE

DESCRIPTION: Hard, calcified matrix containing many

collagen fibers; osteocytes lie in the lacuna

FUNCTION: Support and Protection

LOCATION: Bone

Cross section of spinal cord; focused: monopolar neuron

Cross section of spinal cord; focused:multipolar neuron and

bipolar neuron

Cross section of the spinal cord

8/11/2019 Different types of tissue

5/6

BLOOD TISSUE

DESCRIPTION: Red and white blood cells in a fluid

matrix (plasma)

FUNCTION: Transport

LOCATION: Blood Vessel

Skeletal Muscle Tissue SKELETAL MUSCLE TISSUE

DESCRIPTION: Long cylindrical, multinucleated cell;

obvious striations

FUNCTION: Voluntary movement

LOCATION: Skeletal muscle attached to the skin

Cardiac Muscle TissueCARDIAC MUSCLE TISSUEDESCRIPTION: Branching, striated and uninucleated

cells that integrated at specialized junction

FUNCTION: Propels blood

LOCATION: Walls of the heart

Smooth Muscle Tissue SMOOTH MUSCLE TISSUE

DESCRIPTION: Spindle shape cells with central nuclei;

no striations; cells are arranged closely to form a sheetFUNCTION: Voluntary movement

LOCATION: Hollow walls of organs

Striated Muscle Tissue STRIATED MUSCLE TISSUE

Cross section of the Nerve NERVOUS TISSUE

DESCRIPTION: Neurons are branching cells; Cell body

with quite long neuron processes

FUNCTION: Transmit electrical signals

LOCATION: Brain, Spinal Cord, and nerves

8/11/2019 Different types of tissue

6/6

NODES OF RANVIER