Vitamin A deficiency: Related Medical Conditions. To research the causes of Vitamin A deficiency, consider researching the causes of these these diseases that may be similar, or associated with Vitamin A deficiency:
Definition of push button. : a small button or knob that when pushed operates something especially by closing an electric circuit.
PUSHBUTTON control. Defines a push-button control. The control is a round-cornered rectangle containing the given text. The text is centered in the control. The control sends a message to its parent whenever the user chooses the control. style.