Observations on the microanatomy of the spermatozoid of the bracken fern (Pteridium aquilinum).
D002467:Cell Nucleus; D002923:Cilia; D003593:Cytoplasm; D005854:Germ Cells / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D008928:Mitochondria; D010944:Plants / Q000033:anatomy & histology*; D032498:Pteridium
GERM CELLS/anatomy and histology; PLANTS/anatomy and histology