Word of the Day



[yohimbe + -ine]
An alkaloid derived from the bark of the tree Pausinystalia yohimbe. It is an alpha-adrenergic blocking agent that in excess causes antidiuresis, increased blood pressure, tachycardia, irritability, tremor, sweating, dizziness, nausea, and vomiting. It is used therapeutically to treat erectile dysfunction.

Activate a Book Code

Save On All Nursing Apps

Back to School Promo

Save 10% on all Nursing Apps purchased through the Unbound Store.

Improve Your Medical Language

Medical Language

Use the interactive Medical Language Lab to excel at speaking and writing medical terminology.

Site Licenses

Site license

Site licenses are available for schools, universities, hospitals, government agencies and companies. For more information, contact us.