septum

(redirected from alveolar septum)
Also found in: Dictionary, Thesaurus, Medical.
Related to alveolar septum: interalveolar septum

septum

1. Biology anatomy a dividing partition between two tissues or cavities
2. a dividing partition or membrane between two cavities in a mechanical device

septum

[′sep·təm]
(biology)
A partition or dividing wall between two cavities.
(electromagnetism)
A metal plate placed across a waveguide and attached to the walls by highly conducting joints; the plate usually has one or more windows, or irises, designed to give inductive, capacitive, or resistive characteristics.

septum

1. A low wall or balustrade which divided the nave of the ancient basilican church into a middle section (for the clergy) and two side sections (for the laity).
2. A low wall around a tomb.
3. The enclosure of the Holy Table made by the altar rails in a church.
References in periodicals archive ?
Hyperemia in capillaries of some inter alveolar septum and inflammatory cellular infiltrations and an enlargement in some of the inter alveolar septum was observed but those findings was quite low compared to I/R group and resembling control group.
D, The alveolar septum shows widening with infiltration of lymphocytes or plasma cells without atypia.
We found an increased expression of [gamma]-GCS-h in both protein and mRNA levels on the tracheal wall and at the alveolar septum in COPD group and a reduced expression of [gamma]-GCS-h in the group treated with RLD (P < 0.05).
It also reduced the volume fraction of 8-iso-PGF2[alpha] in the alveolar septum. BbCI did not reduce the number of eNOS-positive cells in either site or isoprostane levels in airways walls.
In the sepsis group mononuclear cell infiltration, inflammation and thickening of the alveolar septum, increase in alveolar macrophage count, increased capillary permeability, hemorrhage, edema, and congestion were observed (Figure 11(a)).
We measured the area of Bax immunofluorescence in the alveolar septum using a MetaMorph Imaging System (Molecular Devices Corp., Downingtown, PA).
B, After rats received lipopolysaccharide (5 mg/kg, LPS group), edema was severe, with increased red blood cells in the alveolar septum and inflammatory cells exiting blood vessels.