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.
Natural killer cells, or NK cells, are a part of the innate immune system which does not directly attack invading microbes. Instead, NK cells destroy compromised host cells, such as tumor cells or virus-infected cells. It recognises such cells by a condition known as missing self.hese are immune cells that engulf, i.e. phagocytose, pathogens or particles. To engulf a particle or pathogen, a phagocyte extends portions of its plasma membrane, wrapping the membrane around the particle until it is enveloped (i.e. the particle is now inside the cell).