The part labelled III is the hair follicle. Hair follicles are dynamic, tube-like structures in the dermis that generate hair, anchor it, and regulate its growth cycle (anagen, catagen, telogen). They are essential for skin repair (healing wounds), producing sebum, acting as sensory receptors for touch, and contributing to thermoregulation.
In the context of standard biology examination questions, the hair follicle often specifically referring to the complex that includes the arrector pili muscle, which is associated with the function of pulling the hair upright.
There is an explanation video available below.
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}