Integumentary

The skin is the largest organ, weighing several kilograms and covering roughly 2 square meters in adults. It has three layers: epi...

Hair and nails are skin appendages made of keratin. Hair shafts grow from follicles in the dermis at approximately 1 cm per month ...

Sweat glands are coiled tubular glands in the skin. Eccrine glands, the most numerous, are distributed over almost the entire body...

Sebaceous glands are small glands in the dermis that produce sebum, an oily mixture of triglycerides, wax esters, squalene, and fr...