Pulmonary vein
A pulmonary vein located near the surface of the lung travels in thin connective tissue septa and is not associated with a respiratory passageway. Oxygenated blood in these vessels drains mostly into pulmonary veins. 200x
Pulmonary veins
A pulmonary vein located near the surface of the lung travels in thin connective tissue septa and is not associated with a respiratory passageway. Oxygenated blood in these vessels drains mostly into pulmonary veins. 200x
Connective tissue
A pulmonary vein located near the surface of the lung travels in thin connective tissue septa and is not associated with a respiratory passageway. Oxygenated blood in these vessels drains mostly into pulmonary veins. 200x
Visceral pleura >
Each lung projects into an internal body cavity, the pleural cavity, and is covered by a serous membrane (serosa), called visceral pleura. Pleura is composed of a simple squamous epithelium (mesothelium) overlying a layer of connective tissue that contains blood vessels and elastic fibers.
Image source >
This image was taken of a slide in the University of Mississippi collection.
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