Image Guy Orchard Ph.D. Guy Orchard is a Consultant Grade Biomedical Scientist and Laboratory Manager at Viapath, St John's Institute of Dermatology, London. He has been a council member for the Institute of Biomedical Science (IBMS) and is currently a specialist advisor for cellular pathology and the Deputy Chief Examiner for Cellular Pathology for the IBMS. In 2015, Guy was awarded the Leica Leadership Award for Teaching by the National Society for Histotechnologists.” Published Pieces by Guy Orchard Factor XIIIa Expression in Normal and Pathological SkinTutorials (Knowledge Pathway) FXIIIa is a blood and intracellularly produced coagulation factor, which is widely expressed in variety of cell types. It is believed to be vital in the final stages of the clotting cascade and is also important in wound healing and repair mechanisms.
