Chick 48-Hour Embryo Slide, serial c.s.

Sequential cross sections of a 48-hour chick embryo mounted in rows on microscope slides. A prominent heart and a few branchial grooves are present. This stage is characterized by ventral flexion and dextral torsion, resulting in a "C-shaped" embryo. Serial microscope slides are prepared to show sequential cross-sectional views of an entire specimen, from head to tail. The sections are mounted in rows in consecutive order on the same slide. Depending on the size of the specimen and the thickness of the section, multiple slides may be needed to contain all sections. Note that 2 specimens of...