TY - GEN AU - Pennisi,Elizabeth TI - Society for Integrative and Comparative Biology meeting. Lean times, lean gut SN - 1095-9203 PY - 2003///0213 KW - Alligators and Crocodiles KW - anatomy & histology KW - Animals KW - Biological Evolution KW - Eating KW - Fasting KW - Intestinal Mucosa KW - ultrastructure KW - Intestine, Small KW - diagnostic imaging KW - Microvilli KW - Seasons KW - Ultrasonography N1 - Publication Type: News UR - https://doi.org/10.1126/science.299.5606.505 ER -