Gadzira shanduro yakaoma zvikuru yemutsara uyu Mhando dzeMT 1 (kana Mel 1a kana MTNR1A) uye MT 2 (kana Mel 1b kana MTNR1B) receptors dziripo muvanhu nedzimwe mhuka dzinoyamwisa.
Chokwadi, shanduro yakaoma kunzwisisa yemutsara uyu ndeiyi "The MT 1 (kana Mel 1a kana MTNR1A) uye MT 2 (kana Mel 1b kana MTNR1B) receptors subtypes are present in humans and other mammals, while an additional melatonin receptor subtype Mel 1c has been identified in amphibia and birds. "