Term: nyctalopia: inability to see clearly in dim light; due to a deficiency of vitamin A or to a retinal disorder
Broader: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) | Unrelated: geophilus: type genus of the Geophilidae: a cosmopolitan genus of centipedes sometimes called earwigs
Broader: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) | Unrelated: bitumen: any of various naturally occurring impure mixtures of hydrocarbons
Broader: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) | Unrelated: traffic light: a visual signal to control the flow of traffic at intersections
Broader: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) | Unrelated: epithelium: membranous tissue covering internal organs and other internal surfaces of the body
Broader: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) | Unrelated: control key: (computer science) the key on a computer keyboard that is used (in combination with some other key) to type control characters
Broader: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) | Unrelated: hope: one of the three Christian virtues
Broader: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) | Unrelated: hyacinth: any of numerous bulbous perennial herbs
Broader: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) | Unrelated: greater spearwort: semiaquatic European crowfoot with leaves shaped like spears
Broader: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) | Unrelated: hypophyseal stalk: the funnel-shaped stalk connecting the pituitary gland to the hypothalamus
Broader: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) | Unrelated: yellowtail flounder: American flounder having a yellowish tail