Sentence examples for portal of entry from inspiring English sources
The respiratory epithelium is a major portal of entry for pathogens and applies various defense mechanisms.
The site of toxic response can be local (at the site of first contact or portal of entry of the chemical) or systemic (produced in a tissue other than at the point of contact or portal of entry).
Most biotic agents require a portal of entry through the intact skin or mucosal linings of the body.
Intestinal mucosa covers 400 m2 in the human host, and, as a consequence, is the major portal of entry of the majority of known pathogens.
Potentially harmful bacteria can be introduced into a cut, which thus provides a portal of entry for organisms that may then cause an infection.
The respiratory epithelium represents a major portal of entry for pathogens.
The piriformis fossa is the ideal portal of entry for antegrade interlocking nailing.
b Valgus angulation at nonunion site due to too medial portal of entry.
Open image in new window Fig. 4 Two examples of eccentric portal of entry in antegrade cases: a varus angulation at nonunion site due to too lateral portal of entry into the greater trochanter.
It was hypothesized that the observed effect was from an unproven mechanism in portal-of-entry tissues (NRC 2011).
Overall, these and previous studies support that FA acts as a portal-of-entry toxicant if detoxification mechanisms are not overwhelmed (WHO 2010; Nielsen and Wolkoff 2010).
