The fine structure of the pia mater of the rat.
D000818:Animals; D001921:Brain / Q000166:cytology; D005260:Female; D008264:Macrophages; D008297:Male; D008722:Methods; D008854:Microscopy, Electron; D010841:Pia Mater / Q000166:cytology*; D051381:Rats; D011919:Rats, Inbred Strains; D013116:Spinal Cord / Q000166:cytology