ClipArt ETC
Terminal branch of a bronchial tube, with its infundibula and air cells from the margin of the lung of a monkey, injected with quicksilver. Labels: a, terminal bronchial twig; b, infundibula and air cells.

Air Cells of a Monkey

Terminal branch of a bronchial tube, with its infundibula and air cells from the margin of the lung…

Two alveoli of the lung, highly magnified. Alveoli are cavities which are honeycombed with bulgings in order to increase the surface area exposed to air and covered by capillaries. Labels: b,b, bulgings of the alveoli, a, a.

Two Alveoli of the Lung

Two alveoli of the lung, highly magnified. Alveoli are cavities which are honeycombed with bulgings…

Two small infundibula or groups of air cells, a, with air cells, b, and the ultimate bronchial tubes, c, with which the air cells communicates. From a newborn child.

Infundibula

Two small infundibula or groups of air cells, a, with air cells, b, and the ultimate bronchial tubes,…

Two infundibula of the lung much magnified. Labels: b, b, hollow protrusions of the alveolus, opening into its central cavity; c, terminal branches of a bronchial tube.

Infundibula of the Lung

Two infundibula of the lung much magnified. Labels: b, b, hollow protrusions of the alveolus, opening…