The Tonsils Revisited: Review of the Anatomical Localization and Histological Characteristics of the Tonsils of Domestic and Laboratory Animals

Figure 10

(a) Ventral view of the palate of a pigeon showing the location of the lymphoid tissue around the choanal and infundibular clefts (boxed area). (b) and (c) Histological sections of the palate showing organized lymphoid tissue that is present underneath the respiratory epithelium lining the nasal cavity (b) and underneath the keratinized stratified squamous epithelium lining the oral cavity (c).