Adrenal Cortex Hormones/pharmacokinetics; Brain/drug effects; Brain/metabolism; ATP Binding Cassette Transporter, Subfamily B, Member 1/metabolism; Administration, Inhalation; Adrenal Cortex Hormones/administration & dosage; Adrenal Cortex Hormones/metabolism; Androstadienes/pharmacology; Animals; Beclomethasone/chemistry; Beclomethasone/pharmacology; Budesonide/pharmacology; Dose-Response Relationship, Drug; Drug Evaluation, Preclinical; Fluticasone; Injections, Intravenous; Intubation, Intratracheal; Kidney/drug effects; Liver/drug effects; Mice; Mice, Knockout; Particle Size; Permeability/drug effects; Powders; Prodrugs/pharmacology; Rats; Rats, Inbred F344; Receptors, Steroid/drug effects; Species Specificity; Time Factors; Triamcinolone Acetonide/pharmacology