and Answers.
Hematoxylin - Answer Blue: nucleus/nucleic acids, acidic regions of cytoplasm + cartilage
matrix
Eosin - Answer Pink: basic regions of cytoplasm + cartilage fibers
Masson's trichome - Answer Dark blue: nuclei
Red: muscle, keratin + cytoplasm
Light blue: mucinogen + collagen
Wiegert elastic stain - Answer Blue: elastic fibers
Silver strain - Answer Black: reticular fibers
Iron hematoxylin - Answer Black: muscle striations, nuclei + erythrocytes
Periodic acid-Schiff - Answer Magenta: glycogen + carbohydrate-rich molecules
Wright and Giemsa - Answer Pink: erythrocytes + eosinophil granules
Purple: leukocytes + basophil granules
Blue: cytoplasm of monocytes + lymphocytes
Mitochondria - Answer 0.2-3 um --> visible by both LM + EM
Individual cytoskeletal filaments - Answer 0.005-0.01 um --> visible by only EM
Trachea - Answer ~200 um --> visible by both LM + EM
Columnar cell - Answer ~20 um --> visible by both LM + EM
Nucleus - Answer ~3 um --> visible by both LM + EM
Cilia - Answer ~0.2 um --> visible by both LM + EM