series (of publications); library (set of books)
dense growth; healthy growth
treatise or essay collection
intestinal flora; enterobacterial flora
a number of interesting stories; book containing a number of interesting stories
choroid plexus; chorioid plexus
one red flower standing out in a sea of green vegetation; one item of quality standing out among many; one woman among many men
microbiota; bacterial flora; microbial flora