Examlex
When pathogens remain with their host and cannot be transmitted
Body Surface
The outermost layer or covering of an organism's body, including the skin, fur, or scales, which serves as a protective barrier.
Nudibranch Mollusks
Colorful sea slugs found in marine environments, known for their striking forms and colors.
Tracheal Tubes
The system of small tubes in insects and some other arthropods that carry air directly to tissues from openings in the exoskeleton.
Body Surface
Refers to the external part or skin of an organism, serving as a protective barrier and interface with the environment.
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