Difference Between Endoskeleton And Exoskeleton

Endoskeleton and Exoskeleton are the parts of the body of living organisms which possess a body with a complicated network of various organs.

The hard part which is the internal support of the structure is called an endoskeleton. It is developed from endoderm and is called a living structure. Some examples of endoskeleton are cartilage, bone, etc. The hard part present outside the body which protects the soft tissues and muscles is called the exoskeleton. It is developed from ectoderm and is mostly called a non-living structure. Some examples of the exoskeleton are hair, feather, scales, horns, etc.

Also Read: Birds Skeletal System

Difference Between Endoskeleton And Exoskeleton

Endoskeleton Exoskeleton
Meaning
Refers to the internal skeleton Refers to the external skeleton
Found
Vertebrates Arthropods
Structure
Living Nonliving
Develops from
Endoderm Ectoderm
Made of
Phosphorous and calcium Calcified shells, scales, cuticle
Presence
Inside the body Outside
Grows with the body
Yes No
Flexibility
More Less

Also Read: Fish Skeletal System

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