Integumentary Essentials: Applying the Preferred Physical Therapist Practice Patterns.

Skin, or the integumentary system, is the single largest organ in the body.

To facilitate target organ comparisons between rats and mice, we grouped the tissue codes for the target sites into 11 basic target categories: 1, digestive system; 2, liver; 3, cardiovascular system; 4, endocrine system; 5, hematopoietic system; 6, integumentary system; 7, nervous system, brain, and sensory organs; 8, reproductive system; 9, respiratory system; 10, urinary tract; and 11, other (body regions, muscle, skeleton, etc.