truncus pulmonalis
Học thuậtThân thiện
Definition
Noun: - The main pulmonary artery: The large arterial trunk that carries deoxygenated (venous) blood from the right ventricle of the heart. It is a short vessel that subsequently divides into the right and left pulmonary arteries, which carry blood to the respective lungs.
Usage
- This term is used in precise anatomical and medical contexts to describe a specific part of the cardiovascular system.
- It is typically used in technical writing, medical education, and clinical discussions.
Examples
- During the surgery, the surgeon carefully clamped the truncus pulmonalis.
- An obstruction in the truncus pulmonalis can lead to serious cardiac complications.
- The truncus pulmonalis originates from the right ventricle.
Advanced Usage
- Embryological context: In embryology, the term is related to the development of the great vessels from the truncus arteriosus.
- Pathological context: Conditions like "persistent truncus arteriosus" are congenital heart defects where a single great vessel, instead of the normal separate aorta and pulmonary trunk, fails to divide properly during fetal development. (Note: This refers to the embryological , a related but distinct structure from the definitive ).
Variants and Related Words
- Pulmonary trunk: The most common English synonym for .
- Main pulmonary artery: A descriptive synonym.
- Right pulmonary artery and Left pulmonary artery: The two branches into which the divides.
Synonyms
- Pulmonary trunk
- Main pulmonary artery
Related Phrases / Compound Terms
- Truncus arteriosus: An embryological structure that normally divides to form the ascending aorta and the .
- Pulmonary circulation: The system of blood vessels to which the belongs.
Noun
- the artery that carries venous blood from the right ventricle of the heart and divides into the right and left pulmonary arteries