Karl Koehler builds inner ear and skin organoids from human stem cells to model their development in health and disease.

To understand why, we have to dive deep into our skin. Each hair on our body sprouts from a follicle nestled in our skin’s dermis layer. Each follicle grows in a regular cycle, explains Houshmand.

Typical are so-called hair tufts ... Once the follicles are destroyed, the inflammatory process is replaced by dense fibrosis of the dermis. Also called folliculitis scleroticans nuchae, this ...

Intradermal injection resulted in more efficient, but less specific delivery; fluorescence was detected in the dermis as well as the hair follicles. Low efficiency may be a problem for ...

hair follicles and sweat and oil glands. Within the dermis, there is also a large, fibrous network of proteins called ...

When you replace the hypodermis and middle dermis, the epidermis (top layer ... which helps with the wound healing, hair follicle generation, temperature regulation, and more.” ...

Recent advancements have led to the development of skin cellular models that closely mimic human skin's complexity, including structures like stratified epithelia, fat-rich dermis and pigmented hair ...

when the follicles extend into the dermis forming distinctive groups at their deepest level (Fig. 1). As the hair shafts reach the surface the compound follicle is subdivided by fibrous septa into ...

As a result, the epidermal layers separate or the epidermis separates completely from the dermis. Adhesive removal ... an inflammatory reaction in the hair follicle that can appear as papules ...

Acne and its treatments, the sebaceous gland is in hypersecretion. Cut of skin of the epidermis and dermis. Normal hair follicle and acne pimple in the center. The acne pimple forms around the ...