1. Accompanies the anterior cerebral artery and empties into the basal vein
   - anterior cerebral vein

Type of: cerebral vein, vena cerebri

• genus Schlumbergera
• genus Schomburgkia
• genus Sciadopitys
• genus Sciaena
• genus Sciaenops
• genus Sciara
• genus Scilla
• genus Scincella
• genus Scincus
• genus Scindapsus
• genus Scirpus
• genus Sciurus
• genus Scleranthus
• genus Scleroderma
• genus Scleropages
• genus Sclerotinia
• genus Sclerotium
• genus Scolopax
• genus Scolopendrium
• genus Scolymus
• genus Scolytus
• genus Scomber
• genus Scomberesox
• genus Scomberomorus
• genus Scombresox