Glossary

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Looking for a quick definition?

We’ve got loads of key subject terms in our subject glossaries. There are three ways of finding what you are looking for:

  • First click on the letters of the alphabet to browse for terms.
  • Select a subject from the drop-down menu above to filter the terms by Subject.
  • Or lastly, type the term you are looking for into the search box.

EXAMPLES

Here are some examples of the kinds of definitions you’ll find on this page.

Subject:

primitive type of fish that lives very deep underwater and has four leg-like fins. It is thought...

Subject:

a liquid-filled body cavity formed within the mesoderm of some animals. The cavity occurs...

Subject:

animals that have a true coelom, which is a fluid-filled body cavity completely lined with...

Subject:

the tube that carries urine from the nephrons to the ureter via the renal pelvis.

Subject:

living ground tissue with thick-walled cells that gives strength, support and protection to a...

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