. "Any process that stops, prevents or reduces the frequency, rate or extent of vasculature development." . . . "negative regulation of vasculature development" . "down regulation of vascular system development" . "down regulation of vasculature development" . "down-regulation of vascular system development" . "down-regulation of vasculature development" . "downregulation of vascular system development" . "downregulation of vasculature development" . "inhibition of vascular system development" . "inhibition of vasculature development" . "negative regulation of vascular system development" . . .