Assertion: tonsil | /r/CapableOf | lack afferent lymph
Facets:
Source sentences:
text: In contrast to lymph nodes, tonsils are not truly encapsulated and they lack afferent lymph, whereas the reticular crypt epithelium contains many DCs which can transport exogenous antigens to the extrafollicular T-cell areas and to the B-cell follicles.