Term: melatonin: hormone secreted by the pineal gland
Broader: part: something determined in relation to something that includes it | Unrelated: pep rally: a rally (especially of students) before a game
Broader: part: something determined in relation to something that includes it | Unrelated: bezel: a sloping edge on a cutting tool
Broader: part: something determined in relation to something that includes it | Unrelated: cholic acid: an insoluble crystalline acid present in bile
Broader: part: something determined in relation to something that includes it | Unrelated: decimation: destroying or killing a large part of the population (literally every tenth person as chosen by lot)
Broader: part: something determined in relation to something that includes it | Unrelated: genus anoa: a genus of mammals of the family Bovidae
Broader: part: something determined in relation to something that includes it | Unrelated: professional association: an association of practitioners of a given profession
Broader: part: something determined in relation to something that includes it | Unrelated: american crab apple: medium-sized tree of the eastern United States having pink blossoms and small yellow fruit
Broader: part: something determined in relation to something that includes it | Unrelated: thorax: the part of the human torso between the neck and the diaphragm or the corresponding part in other vertebrates
Broader: part: something determined in relation to something that includes it | Unrelated: neuromuscular junction: the junction between a nerve fiber and the muscle it supplies
Broader: part: something determined in relation to something that includes it | Unrelated: backlighting: lighting from behind