Dictionary of Human Evolution and Biology

  • -id > 9:3

Bilateral Symmetry

Proportionality in which a division down the midsagittal plane would divide the body into right and left halves that are near mirror images; a characteristic of vertebrates. bile: a yellow or greenish viscid alkaline fluid that is secreted by the liver and passes into the duodenum, from where it aids in the digestion and absorption of fats.

Full-Text Search Entries