Barrier

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Barrier

1. See: Trade barrier.

2. See: Barrier Option.
References in periodicals archive ?
Sertoli cells are very important in spermatogenesis because they nourish the germ cells and form the blood-testis barrier which protects the germ cells and developing spermatocytes from direct contact with the external environment.
It is possible that these Sertoli cell lesions lead to a disruption of the blood-testis barrier, allowing the subsequent passage of antigens from the tubular lumen to the testicular interstitium.
Interleukin-1alpha is a regulator of the blood-testis barrier," FASEB Journal 25(4): 1244-1253.
Restricted Arp3 expression in the testis prevents blood-testis barrier disruption during junction restructuring at spermatogenesis," Proceedings of the National Academy of Sciences of the United States of America 107(25): 11411-11416.
An in vivo study on adjudin and blood-testis barrier dynamics," Endocrinology 150(10): 4724-4733.
Epidermal growth factor receptor pathway substrate 8 (Eps8) is a novel regulator of cell adhesion and the blood-testis barrier integrity in the seminiferous epithelium," FASEB Journal 23(8): 2555-2567.
Interleukin 1 Alpha (IL1A) is a novel regulator of the blood-testis barrier in the rat," Biology of Reproduction 78(3): 445-454.
Disruption of Sertoli-germ cell adhesion function in the seminiferous epithelium of the rat testis can be limited to adherens junctions without affecting the blood-testis barrier integrity: An in vivo study using an androgen suppression model," Journal of Cellular Physiology 205(1): 141-157.