Figure 1: Hemocytes of Litopenaeus vannamei. (a) Micrographs of hemocytes stained with hematoxylin-eosin in resin histological sections and (b) hemocytes stained with May-Grünwald Giemsa, showing three types of hemocytes: small-granule cells (SGC), large-granule cells (LGC), and hyaline cells (HC). Scale bar = 5 μm. (c) Differential hemocyte count (DHC) in histological resin sections stained with hematoxylin-eosin and May-Grünwald Giemsa. The relative percentage of DHC was calculated by observing digital images analyzing at least 500 hemocytes. Data represent mean ± SD. Letters indicate significant differences () between hemocyte types. n = nucleus.