- primary lymphoid nodule
- a lymphoid nodule that has not been exposed to antigen and lacks a germinal center; upon activation of B lymphocytes it develops into a secondary lymphoid nodule.
Medical dictionary. 2011.
primary lymphoid nodule
Look at other dictionaries:
secondary lymphoid nodule — a lymphoid nodule that has been exposed to antigen and contains a germinal center with actively proliferating B lymphocytes, developing from a primary lymphoid nodule … Medical dictionary
primary lymphoid follicle — see under nodule … Medical dictionary
Nodule — A small solid collection of tissue, a nodule is palpable (can be felt). It may range in size from greater than 1.0 cm (3/8 inch) to somewhat less than 2 cm (13/16 inch) in diameter. A nodule may be present in the epidermis, dermis or subcutis (at … Medical dictionary
germinal center — n the lightly staining central proliferative area of a lymphoid follicle * * * the spherical area in the center of a secondary lymphoid nodule containing mainly aggregations of actively proliferating B lymphocytes, developing in a primary… … Medical dictionary
follicle — 1. A more or less spherical mass of cells usually containing a cavity. 2. A crypt or minute cul de sac or lacuna, such as the depression in the skin from which the hair emerges. SYN: folliculus [TA]. [L. folliculus, a small sac, dim. of follis, a … Medical dictionary
folliculus — SYN: follicle. [L. a small sac, dim. of follis, bellows] folliculi glandulae thyroideae the small spherical vesicular components of the thyroid gland lined with epithelium and containing colloid in varying amounts; the colloid serves for storage… … Medical dictionary
White pulp — Transverse section of a portion of the spleen. (Lymphatic nodule labeled at center right.) … Wikipedia
Mantle zone — Germinal centre Image labeled in German, but Mantel zone visible near center. The mantle zone (or just mantle) of a lymphatic nodule (or lymphatic follicle) is an outer ring of small lymphocytes surrounding a germinal center … Wikipedia
List of cutaneous conditions — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. See also: Cutaneous conditions, Category:Cutaneous conditions, and ICD 10… … Wikipedia
List of oncology-related terms — This is a list of terms related to oncology. The original source for this list was the U.S. National Cancer Institute s public domain Dictionary of Cancer Terms . NOTOC 1 * 10 propargyl 10 deazaaminopterin * 12 O tetradecanoylphorbol 13 acetate * … Wikipedia
