Term: retinoblastoma: malignant ocular tumor of retinal cells; usually occurs before the third year of life; composed of primitive small round retinal cells
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: bascule: a structure or device in which one end is counterbalanced by the other (on the principle of the seesaw)
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: buckram: a coarse cotton fabric stiffened with glue; used in bookbinding and to stiffen clothing
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: beer mat: a drip mat placed under a glass of beer
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: geomys: type genus of the Geomyidae
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: jack-o'-lantern: lantern carved from a pumpkin
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: headword: a content word that can be qualified by a modifier
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: acariasis: infestation with itch mites
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: mesoderm: the middle germ layer that develops into muscle and bone and cartilage and blood and connective tissue
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: isoantibody: an antibody that occurs naturally against foreign tissues from a person of the same species
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: lepidosauria: diapsid reptiles: lizards; snakes; tuataras