Define thymus. thymus synonyms, thymus pronunciation, thymus translation, English dictionary definition of thymus. ) n. pl. thy·mus·es 1. A small glandular organ that is situated behind the top of the breastbone, consisting mainly of lymphatic tissue a
Thymus definition: a ductless, butterfly-shaped gland lying at the base of the neck, formed mostly of lymphatic tissue and aiding in the production of T cells of the immune system. See examples of THYMUS used in a sentence.
Interestingly, young children have not only a proportionally large thymus (10) but also large secondary lymphoid organs, including mucosal-associated organs, and simultaneous peripheral blood lymphocytosis (11,12). T cell receptor excision circles as a tool for evaluating thymic function in young child...
Looking for online definition of Thymus hormones in the Medical Dictionary? Thymus hormones explanation free. What is Thymus hormones? Meaning of Thymus hormones medical term. What does Thymus hormones mean?
Define thymus gland. thymus gland synonyms, thymus gland pronunciation, thymus gland translation, English dictionary definition of thymus gland. Noun 1. thymus gland - a ductless glandular organ at the base of the neck that produces lymphocytes and aids
This paper studies definition of extraposition in Chinese,analyzes features of extraposition from grammatical,rhetoric and functional perspectives,classifies extraposition in terms of relationship betweenextraposed constituentand an original item,and grammatical function of an original item in the sentence,probes...
A structure known as Hassall corpuscle, which consists of concentric whorls of epithelial cells, is found in the medulla; but its function is unclear. Hassall medullary epithelial cells contain secretory granules, and this network of cells may be active in the production of thymic hormones, especia...
Synonyms T-cell development, thymocyte development, T-cell selection, thymocyte selection, thymocyte education, positive selection, negative selection, thymus, thymus atrophy, thymus involution Definition T-cell development is the process by which hematopoietic progenitor cells from the bone marrow home to...
Thymus atrophy refers to the condition where the thymus gland experiences a decrease in size and function due to either a lack of T lymphocytes from the bone marrow or destruction of lymphocytes within the thymus itself. It is important to differentiate thymic atrophy from involution, which is a...
Synonyms Sweetbread (when used as food) ; Thymus gland Definition The thymus is a primary lymphoid organ in vertebrates; in mammals it is located in the cranioventral mediastinum and lower part of the neck. The prime functions of the thymus in mammals are the development of immunocompetent T...