Bailment - Types. 1  Modifying the earlier opinion of Lord Holt (Coggs v. 2  deposit (depositum); 3  gratuitous agency (mandatum); 4  loan for use (commodatum); 5  possessory pledge (pignori acceptum); 6  loan for hire (locatum or locatio et conductio), this is subdivided into...
Langerhans cell histiocytosis (LCH) is a rare disease involving clonal proliferation of Langerhans cells, abnormal cells deriving from bone marrow and capable of migrating from skin to lymph nodes.Clinically, its manifestations range from isolated bone lesions to multisystem disease.angerhans cell histiocytosis (LCH) is a rare disease involving clonal proliferation of Langerhans cells, abnormal cells deriving from bone marrow and capable of migrating from skin to lymph nodes.
Melanin= provides some protection against the damaging effects of ultraviolet light. Langerhans cells= found in the epidermis, they alert the immune system to the presence of potentially harmful microbial invaders. Macrophages= found in the dermis, they phagocytize bacteria and viruses that manage to bypass the Langerhans cells of the epidermis.