Cikin jijiya ethmoidal wata karamar jijiya ce da ke fitowa daga jijiyar ido kuma tana ba da jini ga sinuses na ethmoid da sauran sifofi a cikin kogon hanci. Wani reshe ne na jijiyoyin carotid na ciki kuma an raba shi zuwa rassa biyu, na gaba da na baya ethmoidal arteries. Wadannan arteries suna da mahimmanci wajen samar da oxygen da abubuwan gina jiki ga kyallen takarda a cikin sinuses na ethmoid da sauran sassan da ke kewaye. Rashin aiki ko lalacewa ga jijiya na ethmoidal na iya haifar da yanayi daban-daban na likita da suka shafi kogon hanci da sinuses.