nas

• Contraction

  in the

• Pron

químicas

• Adj

  feminine plural of químico

• Noun

o

• Article

  masculine singular definite article; the

• Pron

en

• Prep

  1. in
  2. when preceding a verb or a complement of a verb it can denote an unfinished or continued action

• Adv

vesículas

plural of vesícula