Classification of Tissues

 

Primary Tissue

Characteristics

Divisions

Examples

Function

Epithelium

 

 

 

 

 

·          Both vascular & avascular (depends on type and location)

·          Fairly insensitive

·          Little or no matrix (material between cells)

Simple

·          Squamous

 

 

 

·          Cuboidal

 

 

·          Columnar

 

Bowman’s capsule (kidney)

Collecting tubule (kidney)

 

Intestinal mucosa

 

 

 

Gallbladder (nonciliated)

Fallopian tube (ciliated)

 

Protection

Secretion

Absorption

 

 

Pseudostratified

·          Lining of fallopian tube

·          Lining of upper respiratory system

Ciliated cells

 

 

 

Stratified

·          Squamous

 

 

 

·          Cuboidal

 

·          Columnar

 

·          Transitional

 

Skin

Vaginal lining

Cornea

 

Sweat glands

 

Male urethra

 

Cervix

 

Protection

Secretion

 

 

 

 

 

 

Stretches

 

 

Glandular

 

·          Exocrine

 

 

·          Endocrine

  

 

 

Sweat glands

Salivary glands

 

Thyroid

Adrenal glands

Secretion

 

 

Primary Tissue

Characteristics

Divisions

Examples

Function

Muscle

 

 

 

 

 

·          Vascular

·          Highly enervated

·          Matrix present

·          Smooth (involuntary)

 

·          Striated (voluntary)

 

·          Cardiac (involuntary)

·          Intestinal walls

·          Arterial walls

 

Skeletal muscle

 

 

Heart muscle

Contraction

Connective Tissue

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

·          Fibrous

·          Matrix present

·          Mostly avascular

·          Mostly insensitive

 

Loose

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

·          Adipose (subcutaneous fat)

 

·          Reticular

      (bone marrow and         lymph nodes)

 

·          Aerolar

(in organ  and tissue walls)

 

 

 

 

 

 

 

 

 

 

 

 

 

·          Insulation

·          Storage

 

·          Cell production

·          Immunity

 

Attachment

 

 

 

 

·          Fibrous

·          Matrix present

·          Mostly avascular

·          Mostly insensitive

 

Dense

 

 

 

·          Irregular (dermis)

 

 

 

·          Regular (tendons)

 

 

Lower layer of skin

 

 

Muscle to bone

 

 

Primary Tissue

Characteristics

Divisions

Examples

Function

Connective Tissue

 

Special

 

 

 

·          Fibrous

·          Matrix present

·          Mostly avascular

·          Mostly insensitive

 

Cartilage

 

·          Hyaline

      (ends of bones at movable joints; trachea)

 

·          Fibrous (intervertebral discs)

 

·          Elastic

   (nose;ears,epiglottis)

Cushions

Protects

 

 

Cushions

 

 

Provides flexibility

 

·          Fibrous

·          Matrix present

·          Mostly avascular

·          Mostly insensitive

 

Bone

 

·          Cancellous or spongy bone

1.        Ends of long   bones

2.       Center of flat bones

·          Compact bone

1. Shafts of long bones

2.       Outer surface of flat bones

 

 

Light, strong and flexible bone

 

 

 

Heavy, dense and brittle bone; provides support

 

 

·          Fibrous

·          Matrix present

·          Mostly avascular

·          Insensitive

 

Hemopoietic

 

·          Myeloid (bone marrow)

 

·          Lymphoid (spleen and lymph nodes

 

Makes blood cells

 

Makes immune cells

 

 

·          Fibrous

·          Matrix present

·          Mostly avascular

·          Insensitive

 

Blood

 

·          RBC

 

 

 

·          WBC

 

 

 

·          Thromboplasts (platelets)

 

Carries O2 and CO2

 

 

Mount immune response

 

 

Begin clotting process

 

 

Primary Tissue

Characteristics

Divisions

Examples

Function

Connective Tissue

 

Special

 

 

 

·          Fibrous

·          Matrix present

·          Mostly avascular

·          Insensitive

 

Lymph

 

 

 

 

 

 

 

Involved in immune response

 

 

Connects immune and circulatory systems

Nervous Tissue

Conducts impulses

Supports cells

Conductive

 

 

 

 

Neurons

 

Central nervous system

 

 

 

 

 

 

 

Peripheral nervous system

 

 

 

 

·          Gray matter (brain; spinal cord

·          White matter (brain; spinal cord)

 

 

 

 

·          Motor neurons

 

 

 

 

·          Sensory neurons

 

 

 

 

 

Connect sensory and motor neurons in the brain & spinal cord

 

 

 

Carry responses from the CNS to the body

 

Brings stimuli from the body to the CNS

 

 

 

Support cells

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Glial cells

 

 

Ganglia

 

 

 

Provide support for neurons

 

 

 

·          Insulate

·          Connect to blood supply