Tissues-Anatomy and Physiology Unit 1

What are the four tissues types?

Epithelial, Connective, Muscle, and Nervous Tissue

Role of Epithelial tissues

Absorption, Secretion, Protection, Filtration, Excretion, and Sensory reception

Role of Connective Tissues

Connect, support, attach, and separate

Role of Muscle Tissues

Movement

Role of Nervous tissues

Send and receive impulses

3 Shapes of regular Epithelial Tissues

Squamous, Cuboidal, and Columnar

2 Kinds of Special Epithelial Tissues

Psuedostratified and Transtional

Role of simple squamous tissue

Rapid diffusion and filtration

Where is simple squamous tissue found?

In the lungs

Role of Simple cuboidal Epithelium

Secretion and absorption

Where is Simple Cuboidal epithelium found

Kidneys

Role of Simple Columnar Epithelium

Absorption and Secretion of mucus

Where is simple columnar epithelium found

In the digestive tract

Role of Stratified squamous tissue

Protection of underlying tissue

Where is stratified squamous tissue found

In the esophagus and mouth

Where is Stratified cuboidal and columnar epithelium found

In the ducts of sweat glands and throat, at transition areas

Role of Pseudostratified Epithelium

Secretion and propulsion of Mucus

Where is pseudostratified epithelium found

In the trachea (windpipeR

Role of transitional epithelium

Stretches and contracts in order for organ to fill or empty

Where is transitional epithelium found

In the bladder

Types of connective tissues

Bone, Blood, Connective Tissue Proper, and Cartilage

Types of Cartilage

Hyaline, Elastic, and Fibrocartilage

Role of Hyaline Cartilage

Protection and cushioning

Where is hyaline cartilage found

Ends of bones and attaches the ribs to the collarbone (sternum)

Role of Elastic Cartilage

Stretchyness

Where is elastic cartilage found

External Ear

Role of Fibrocartilage

Cushioning and protection

Where is Fibrocartilage found

In between discs of vertebrae (Spinal discs) and discs of knee

Types of Connective Tissue Proper

Loose and Dense

Types of Loose Connective Tissue

Areolar, Reticular, and Adipose

Role of Areolar loose CT proper

Protects organs and keeps them held in place

Where is Areolar Loose CT found

Outside of organs

Role of Adipose Loose CT

Protection, Insulation, and stored energy

Where is Adipose loose CT found

Under skin, around the kidneys, heart, and eyes

Role of reticular loose CT

Holds white blood cells (helps fight off infection)

Where is reticular loose CT found

Inside of organs important to the immune system- spleen and liver

Types of dense connective tissue

Regular, Irregular, and Elastic

Role of regular dense CT

Movement and structure

Where is regular dense CT found

In tendons and ligaments

Role of Dense irregular CT

Gives stretch

Where is Dense Irregular CT found

Deep in the skin

Role of Dense elastic CT

Gives stretch and recoil

Where is Dense elastic CT found

Walls of large arteries and lungs

Types of Bone

Spongy and Compact

Parts of blood

Red and white blood cells

Role of Bones

Structure and protection

Role of Blood

Transports oxygen and nutrients

Ground Substance

Material that fills the space between calls and fibers in Connective Tissue

3 Types of FIbers found in Connective Tissue

Collages, Elastin, and Reticular

Role of Collagen fibers

Thickly bundled together for tensile strength

Role of elastin fibers

Thin and branching to allow stretching and recoiling

Role of Reticular fibers

Delicate networks to support soft organs

Types of Muscle Tissue

Skeletal, Smooth, and Cardiac

Role of Skeletal Muscle

Voluntary Movement, Striated with Multiple Nuclei

Where is Skeletal Muscle found

Next to bones

Role of Smooth Muscle

Helps move food and substances, involuntary movement. No striated, one nucleus

Where is smooth muscle found

In digestive tract

Role of Cardiac Muscle

Involuntary Movement. Cells are striated and have 1 nucleus, with intercalated discs so they can beat in unison

Where is cardiac muscle found

in the heart

Role of neurons

Receive stimuli, transmit info to and from the brain, coordinates bodily functions

Role of Neuroglia

Support Neurons

Simple Squamous Epithelium

Simple Cuboidal epithelium

Simple columnar epithelium

Stratified squamous epithelium

Stratified Cuboidal Epithelium

Pseudostratified Columnar Epithelium

Transitional Epithelium

Bone (Connective Tissue)

Adipose Loose CT

Reticular Loose CT

Hyaline Cartilage CT

Areolar Loose CT

Neuron

Skeletal Muscle

Cardiac Muscle

Smooth Muscle