title: The circulatory system of Amphioxus (Branchiostoma floridae). I. Morphology of the major vessels of the pharyngeal area.
mesh_terms: D000818:Animals; D001808:Blood Vessels / Q000033:anatomy & histology*; D002816:Chordata, Nonvertebrate / Q000033:anatomy & histology*; D008854:Microscopy, Electron; D010614:Pharynx / Q000098:blood supply*