7. Features of congenital immunodeficiencies caused by defects in lymphocyte maturation Fig12-3
8. Features of congenital immunodeficiencies caused by defects in lymphocyte maturation Fig12-3
9.
10. Congenital immunodeficiencies associated with defects in lymphocyte activation and effector functions Fig12-4: Features of some of resulting deficiency disorders
Lymphocyte maturation pathways are described in more detail in Chapter 4.
Branchial pouches pharyngeal pouches paired evaginations of embryonic pharyngeal endoderm, between the branchial arches, extending toward the corresponding ectodermally lined branchial grooves; during development they evolve into epithelial tissues and organs, such as thymus and thyroid glands . Syn: branchial pouches, endodermal pouches Hypoplasia (h º” p ½ -pl ³“ zh … , -zh ¶ - … ) n. Incomplete or arrested development of an organ or a part
Examples showing the sites where immune responses may be blocked are illustrated in A, and the features of some of these disorders are summarized in B