1. An S-shaped dural sinus on the temporal and occipital bones
   - sigmoid sinus

Type of: sinus, venous sinus

• blokey
• blokish
• blolly
• blond
• blonde
• blonde lilian
• blondness
• blood
• blood agar
• blood bank
• blood blister
• blood brother
• blood brotherhood
• blood cell
• blood clam
• blood clot
• blood clotting
• blood coagulation
• blood corpuscle
• blood count
• blood cup
• blood cyst
• blood disease
• blood disorder
• blood donor