Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Morphologic aspects of alveolar microcirculation.

J Gil

    Federation Proceedings
    |September 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    Understanding mammal lung vasculature is challenging. This study suggests preferential blood flow paths in primary septa and identifies pleated alveolar corners as key venous drainage sites.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Immunological and tissue reactions to titanium particles generated by the mechanical decontamination of dental implants: In vitro and in vivo study.

    Medicina oral, patologia oral y cirugia bucal·2025
    Same author

    Effect of Surface Wettability and Energy on Bacterial Adhesion to Dental Aligners: A Comparative In Vitro Study.

    Bioengineering (Basel, Switzerland)·2025
    Same author

    Increasing cervical penetrability in sheep by long-acting treatments with oxytocin (Carbetocin) and/or prostaglandin E2 (Dinoprostone).

    Domestic animal endocrinology·2025
    Same author

    A word of caution in the functional monitoring of patients after rectal cancer surgery: a multicentre observational study.

    Techniques in coloproctology·2025
    Same author

    Unique territorial and compartmental organization of chromosomes in the holocentric silkmoth.

    Research square·2024
    Same author

    Estrous, ovulation and reproductive responses of ewes synchronized with a long interval prostaglandin-based protocol for timed AI.

    Theriogenology·2023
    Same journal

    ASBESTOS FIBERS MEDIATE THE UPTAKE OF DNA INTO PRIMATE CELLS IN CULTURE.

    Federation proceedings·2018
    Same journal

    Chemical protection of mammalian tissues.

    Federation proceedings·2014
    Same journal

    Dietary requirements for fertility and lactation; dried yeasts as sources of proteins and vitamin B complex for growth, reproduction and lactation.

    Federation proceedings·2010
    Same journal

    On the mode of action of chlorinating compounds.

    Federation proceedings·2010
    Same journal

    d-Amino acid oxidase of Proteus morganii.

    Federation proceedings·2010
    Same journal

    Studies on thymus nucleohistone.

    Federation proceedings·2010
    See all related articles

    Area of Science:

    • Pulmonary Medicine
    • Anatomy
    • Physiology

    Background:

    • Directly observing arterial and venous connections in the mammalian lung is challenging.
    • Understanding lung microcirculation is crucial for respiratory health and disease.
    • Previous models often simplify the complex vascular pathways within lung acini.

    Purpose of the Study:

    • To elucidate the preferential direction of blood flow within the mammalian lung.
    • To identify specific anatomical structures involved in pulmonary arterial-venous connections.
    • To understand the role of alveolar septa in regulating blood flow.

    Main Methods:

    • Analysis of lung structure focusing on acinar and segmental units.
    • Observation of arterial supply and venous drainage patterns.

    Related Experiment Videos

  • Consideration of developmental (neonatal) conditions to infer flow dynamics.
  • Examination of capillary morphology in different alveolar septa.

    • Main Results:

    • A central arterial supply and peripheral venous drainage pattern is observed within lung units.
    • Preferential blood flow direction is suggested through primary septa at the alveolar base.
    • Secondary septal capillaries act as collaterals, filling based on pressure gradients.
    • Pleated alveolar septa contain wide-open capillaries, often directly connecting to venules, indicating their venous function.

    Conclusions:

    • Mammalian lung vasculature exhibits a distinct flow direction from central arteries to peripheral veins.
    • Primary septal pathways are critical for initial blood distribution within lung units.
    • Pleated alveolar corners represent significant venous drainage points within the lung's microvasculature.