| D007223 |
Infant |
A child between 1 and 23 months of age. |
Infants |
|
| D008208 |
Lymphatic System |
A system of organs and tissues that process and transport immune cells and LYMPH. |
Lymphatic Systems |
|
| D008214 |
Lymphocytes |
White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS. |
Lymphoid Cells,Cell, Lymphoid,Cells, Lymphoid,Lymphocyte,Lymphoid Cell |
|
| D008221 |
Lymphoid Tissue |
Specialized tissues that are components of the lymphatic system. They provide fixed locations within the body where a variety of LYMPHOCYTES can form, mature and multiply. The lymphoid tissues are connected by a network of LYMPHATIC VESSELS. |
Lymphatic Tissue,Lymphatic Tissues,Lymphoid Tissues,Tissue, Lymphatic,Tissue, Lymphoid,Tissues, Lymphatic,Tissues, Lymphoid |
|
| D008231 |
Lymphopenia |
Reduction in the number of lymphocytes. |
Lymphocytopenia,Lymphocytopenias,Lymphopenias |
|
| D002648 |
Child |
A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. |
Children |
|
| D004194 |
Disease |
A definite pathologic process with a characteristic set of signs and symptoms. It may affect the whole body or any of its parts, and its etiology, pathology, and prognosis may be known or unknown. |
Diseases |
|
| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
|
| D000361 |
Agammaglobulinemia |
An immunologic deficiency state characterized by an extremely low level of generally all classes of gamma-globulin in the blood. |
Hypogammaglobulinemia,Agammaglobulinemias,Hypogammaglobulinemias |
|
| D001284 |
Atrophy |
Decrease in the size of a cell, tissue, organ, or multiple organs, associated with a variety of pathological conditions such as abnormal cellular changes, ischemia, malnutrition, or hormonal changes. |
Atrophies |
|