Small veins, called venules, originate from capillaries and gradually increase their lumen size as they travel toward the heart to end as veins.

Authors

• Person: Not available Organization: Kenhub
  Human body systems: Overview, anatomy, functions | Kenhub

Sources

• Human body systems: Overview, anatomy, functions | Kenhub www.kenhub.com Kenhub via serper

Referenced by nodes (3)

• heart concept
• capillaries concept
• veins concept