<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["de", "en"].<end_of_turn>
<start_of_turn>user
Zur Dermatologie: Was ist eine Pustel?<end_of_turn>
<start_of_turn>model
Pustule (from lat. pustula) in medicine is what is called a small superficial cavity of the skin (epidermal or sub-epidermal) filled with pus. The pustule belongs to the so-called primary skin changes (primary efflorescences) in dermatology. It is a clinical sign of several diseases or pathological processes such as acne.<end_of_turn><eos>