Sentences with phrase «presently rare forms»

Failure to do annual eye exams through at least 10 years of age, or assuming that any retinal defect found can't be inherited because the dog or its parents have cleared the prcd test has the potential to result in increased frequency of those other and presently rare forms of retinal disease because breeders are makng mating choices based on false assumptions.

Not exact matches

Compact elliptical galaxies form a rare class of stellar system (~ 30 presently known) characterized by high stellar densities and small sizes and often harboring metal - rich stars.