Term: pacemaker: a specialized bit of heart tissue that controls the heartbeat
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: cranberry culture: the cultivation of cranberries
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: discography: a descriptive catalog of musical recordings
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: rosebud: the bud of a rose
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: recliner: an armchair whose back can be lowered and foot can be raised to allow the sitter to recline in it
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: curtain raiser: any preliminary activity
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: angelology: the branch of theology that is concerned with angels
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: dress rehearsal: a full uninterrupted rehearsal in costumes shortly before the first performance
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: departure: the act of departing
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: broad beech fern: beech fern of North American woodlands having straw-colored stripes
Broader: body part: any part of an organism such as an organ or extremity | Unrelated: unadaptability: the inability to change or be changed to fit changed circumstances