Is MeSH a controlled vocabulary?

Related questions

1. What are entry terms in MeSH?
2. What does mean in Medline?
3. Which databases use MeSH terms?
4. What is MeSH term in PubMED?
5. What is MeSH major topic?
6. What are MeSH entry terms?
7. What is PubMed used for?
8. What is a MeSH major topic?
9. What is MeSH pattern?
10. Is mesh stretchy?

Tags

1. #terms
2. #familiarity
3. #vocabulary
4. #subject
5. #medline
6. #describe
7. #there
8. #meaning
9. #medical
10. #headings
11. #distinctive
12. #feature
13. #searcher
14. #better
15. #specific
16. #controlled
17. #pubmed
18. #acronym
19. #article