"pronounced development" is correct and usable in written English.
You can use this phrase to describe tangible and visible progress that is significant and obvious. For example, "The new president has overseen a pronounced development in the country's economy."
Furthermore, all slices showed pronounced development of blood vessels.
The past 30 years have witnessed a pronounced development and application of biogeochemical models.
The most pronounced development in banking today is that executives have become bolder as their business has gotten worse.
Since its founding in 1993 the International Long-term Ecological Researchasetwork (ILTER) has gone through pronounced development phases.
However, for second births the transition from an earlier schedule to a later one appeared to happen with a much less pronounced development of a second mode.
Epidemiological studies have shown that type I-strains are associated with a more pronounced development of peptic ulcer and gastric cancer in humans [12], [13].
My team, for example, has discovered that the genetic influence on IQ becomes more pronounced during development.
Eichhorn et al. (2008) analyzed the extreme dry and hot weather conditions in Germany in 2003 and conclude that European beech meets drought stress in the following year by shifting the carbon allocation towards pronounced fruit development and natural regeneration in order to secure species survival rather than individual biomass production.
In 2014 he pronounced, "The development of full artificial intelligence could spell the end of the human race".
Our analysis have supported the role of SA as an important player in the plant defense response, and confirmed that perturbation of SA signaling severely affects the status of the plant, by allowing more efficient viral accumulation and pronounced symptom development ([ 13]; Fig. 1, Additional file 1).
Packing up for the evening in the front reception area, Ms. Copeland, the foundation's director of development, pronounced herself pleased.
