peripheral interstitium

peripheral interstitium

A network of connective tissue fibres in the lungs which arises in the subpleural fibrous tissue, surrounds the lungs and extends centrally, giving rise to the interlobular septa of the pulmonary parenchyma, connecting with the axial interstitium via the alveolar interstitium.
References in periodicals archive ?
Conceptually, the lung interstitium can be divided into 3 main parts: the axial interstitium (or peribronchovascular interstitium) which contains the bronchovascular bundles; the centrilobular interstitium, which contains the alveoli and capillaries for gas exchange; and the peripheral interstitium which contains the pulmonary venules, lymphatics and interlobular septae.
5) Histologically, this linear pattern represents thickening of either the bronchovascular/axial interstitium (Kerley A) or the peripheral interstitium (Kerley B).

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