tapetum /tə-pēˈtəm/

1. A layer of cells surrounding spore mother cells (botany)
2. The light-reflecting pigmentary layer of the retina (zoology)

• subsong
• subsongs
• subsonic
• subspecialities
• subspeciality
• sub specie
• sub specie aeternitatis
• subspecies
• subspecific
• subspecifically
• subspinous
• subst.
• substage
• substages
• substance
• substance abuse
• substance P
• substances
• substandard
• substantial
• substantialise
• substantialised
• substantialises
• substantialising
• substantialism