title: Methods for the in situ characterization of the interstitial space.
mesh_terms: D000818:Animals; D005110:Extracellular Space / Q000502:physiology*; D005470:Fluorometry; D008643:Mesentery / Q000502:physiology*; D008858:Microscopy, Phase-Contrast; D008860:Microscopy, Ultraviolet; D051381:Rats; D013056:Spectrophotometry, Ultraviolet; D013194:Staining and Labeling; D013997:Time Factors