blas·to·disk or blas·to·disc 
(blăstə-dĭsk′)
(blăstə-dĭsk′)n.
See germinal disk.
- thermoreceptor
- thermoregulate
- thermoregulation
- thermoregulatory
- thermoremanent magnetization
- thermos
- thermosetting
- thermosphere
- thermospheric
- thermostabile
- thermostability
- thermostable
- thermostat
- thermostatic
- thermostatically
- thermotactic
- thermotaxic
- thermotaxis
- thermotherapy
- thermotropic
- thermotropism
- -thermy
- theropod
- the royal road
- Thes.