Migration of ascarids. A. A. Kovalevsky and V. M. Kurlov (Sib. Arch. Theor. and Cl. Med., vol. I, b. 1-2)

Abstract

The authors found that 1) infection with ascaris lumbricoides larvae can occur per os, through the subcutaneous tissue and through intact skin; 2) in this case the mature ascarid eggs penetrate into the body by one way or another through the blood vessels reach the lungs, where they do a certain cycle of their development; 3) from the pulmonary vessels the larvae penetrate into the smallest and largest bronchi and from there pass into the trachea and larynx, and getting into the pharynx or esophagus, they are swallowed into the stomach, etc.