Page 442 - Atlas of Histology with Functional Correlations

FIGURE 11.4 ■ Lymph node (panoramic view). Stain: hematoxylin and eosin.
Medium magnification.

FIGURE 11.5 | Lymph Node Capsule, Cortex, and

Medulla (Sectional View)

A small section of a cortical region of the lymph node is illustrated at a higher
magnification.

A layer of connective tissue (1) with a venule and an arteriole (11)
surrounds the lymph node capsule (3). In the connective tissue (1) is an afferent

lymphatic vessel (2) lined with endothelium and exhibiting a valve (2). Arising
from the inner surface of the capsule (3), the connective tissue trabeculae with
numerous blood vessels (5, 14, 16) extend through the cortex and medulla. The
lymph node cortex is separated from the connective tissue capsule (3) by the

subcapsular (marginal) sinus (4, 12). The cortex consists of B cell–rich

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