11beta hydroxypregna 1,4 diene 3,20 dione 2 Animal 2 Cell Membrane Permeability 2 Fluorescence Polarization 2 Hydroxyprogesterones 2 Male 2 Membrane Fluidity 2 Rats 2 Rats, Inbred Strains 2 Receptor Aggregation 2 Receptors, Concanavalin A 2 Support, Non-U.S. Gov't 2 Thymus Gland 2 animal cell 2 animal experiment 2 anisotropy 2 article 2 capping phenomenon 2 cell membrane 2 concanavalin a 2 controlled study 2 dexamethasone 2 fluorescence polarization 2 intraperitoneal drug administration 2 nonhuman 2 progesterone derivative 2 rat 2 steroid 2 subcutaneous drug administration 2 thymocyte 2