Wesleys Medical Chemical and Life Science Spell Check Description:
Never misspell terms in Word again. Adds 175,000 medical, chemical, and life science terms to MS Word's spell check.
Includes terms for:

Anatomy, bacteriology, biochemistry, biology, botany, cell biology, chemistry, developmental biology, ecology, endocrinology, engineering, entomology, enzymology, evolution, forestry, fungi, genetics, histolo... Techspeller (download page)