2D tissue culture systems: list of the most commonly used cell lines for in vitro culture of apicomplexan parasites. The sources shown are references 38 (Upton et al., 1994), 41 (Miller et al., 2018), 62 (Khan and Grigg, 2017), 119 (Arévalo-Pinzón et al., 2011), 121 (Salazar Alvarez et al., 2021), 122 (Wilkening et al., 2003), 158 (Strout et al., 1965), 159 (Müller, 1975a), 160 (Müller, 1975b), 164 (López-Osorio et al., 2018), and 166 (Carrau et al., 2016).