Igama elithi "Pineal Eye" ngokuvamile libhekisela ku-pineal gland, indlala encane ye-endocrine ebuchosheni ebambe iqhaza ekulawuleni imisebenzi ehlukahlukene yomzimba efana nemijikelezo yokulala nokuvuka nokukhiqizwa kwehomoni yokuzala. Igama elithi "pineal iso" ngezinye izikhathi lisetshenziselwa ukuchaza indlala ye-pineal ngoba kukholakala ukuthi iyinsalela yokuziphendukela kwemvelo yesakhiwo esibizwa ngokuthi iso le-parietal, elitholakala kwezinye izinhlobo zezilwane ezihuquzelayo kanye nezilwane ezihlala emanzini. Iso le-parietal liyisitho esizwela ukukhanya esitholakala phezulu kwekhanda futhi sibandakanyeka ekulawuleni isigqi sokujikeleza kwegazi nezinye izinqubo zomzimba.Nokho, kubalulekile ukuqaphela ukuthi igama elithi "pineal eye" okungavamile ukusetshenziswa emibhalweni yesayensi, futhi kungase kube nembe kakhulu ukumane ubhekisele ku-pineal gland kanjalo.