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

 

Bowmanís 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 organand 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