{"version":"1.0","type":"link","title":"Null cell - Newikis","description":"Null cells, a subset of large circulating white blood cells, mimic the appearance of T or B lymphocytes but do not possess their defining surface receptors. Predominantly, these include natural killer cells (NK cells), with a lesser portion being hematopoietic stem cells traversing freely within…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/f/fa/Human_Natural_Killer_Cell_%2829228845335%29.jpg/1280px-Human_Natural_Killer_Cell_%2829228845335%29.jpg","thumbnail_width":1280,"thumbnail_height":960}