As nouns the difference between haemocoel and sinuses
is that haemocoel is a cavity, between the organs of arthropods and mollusks, through which the blood etc. circulates while sinuses is plural of sinus.
haemocoel
English
Alternative forms
*hemocoel
Noun
(
en noun)
(biology) A cavity, between the organs of arthropods and mollusks, through which the blood etc. circulates