Anatomy Bones and Muscles · MU Pleven

95. Vessels of the pulmonary circulation

Explains the pulmonary circulation, which carries deoxygenated blood from the heart to the lungs and oxygenated blood back. It goes through the pulmonary arteries from the trunk to their branches, with tables listing the segmental arteries of each lung, then the four pulmonary veins with their tributary branches, including the small pulmonary venules. It closes with the pulmonary capillaries surrounding the alveoli, where gas exchange takes place.

Inside: 2 sections · 3 labelled pictures · 2 tables · 12 flashcards · 2 min

Topic 94 of 236 in the MU Pleven syllabus for Anatomy Bones and Muscles (Medicine, Year 2). The free AceMed note covers it in 2 sections, about 137 words (2 min of reading), with 12 flashcards.

In this note

  1. PULMONARY VESSELS
  2. The vessels that are involved in :

PULMONARY VESSELS

  • The pulmonary circulation is a specific part of the circulatory system responsible for carrying deoxygenated blood from the heart to the lungs, and returning oxygenated blood back to the heart.

The vessels that are involved in :

1. Pulmonary Arteries: → All arteries carry oxygenated blood except pulmonary arteries

  • Carries deoxygenated blood from the right ventricle of the heart to the lungs
  • Pulmonary trunk.
  • Right pulmonary art
  • left pulmonary art.
  • Branches.

2. Pulmonary veins :

  • The 4 pulmonary veins return oxygenated (exception) blood to the left atrium of the heart.

+ Pulmonary venules : small vessels the O₂ blood passes through them before reaching the pul. veins

3. Pulmonary Capillaries :

  • Within the lungs, the pulmonary arteries branch into a network of tiny capillaries.
  • These capillaries surround the alveoli (air sacs) in the lungs, facilitating the exchange of carbon dioxide for oxygen during respiration.

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