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thymus    
n. 胸腺

胸腺

Thymus
n 1: large genus of Old World mints: thyme [synonym: {Thymus},
{genus Thymus}]
2: a ductless glandular organ at the base of the neck that
produces lymphocytes and aids in producing immunity;
atrophies with age [synonym: {thymus gland}, {thymus}]

thymus \thy"mus\ (th[imac]"m[u^]s), a. [NL., fr. Gr. qy`mos.]
(Anat.)
Of, pertaining to, or designating, the thymus gland. -- n.
The thymus gland.
[1913 Webster]

{Thymus gland}, or {Thymus body}, a ductless gland in the
throat, or in the neighboring region, of nearly all
vertebrates. In man and other mammals it is the throat, or
neck, sweetbread, which lies in the upper part of the
thorax and lower part of the throat. It is largest in
fetal and early life, and disappears or becomes
rudimentary in the adult. The thymus gland functions as
the site of maturation of T-lymphocytes (T-cells), which
confer cell-mediated immunity on the host organism; thus,
removal or malfunciton of the thymus can lead to absence
of cell-mediated immunity, and a consequent loss of
resistance to infection.
[1913 Webster PJC]

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英文字典中文字典相關資料:
  • Thymus - Wikipedia
    The thymus (pl : thymuses or thymi) is a specialized primary lymphoid organ of the immune system Within the thymus, T cells mature T cells are critical to the adaptive immune system, where the body adapts to specific foreign invaders
  • Thymus: The Function of the Gland Why it is Important - Cleveland Clinic
    Your thymus is a small gland in the lymphatic system that makes and trains special white blood cells called T-cells The T-cells help your immune system fight disease and infection Your thymus gland produces most of your T-cells before birth
  • Thymus Gland Role in Your Immune System - Verywell Health
    The thymus gland, located behind the breastbone and between the lungs, plays a vital role in the immune system This small organ makes white blood cells, called T-cells, and is important in fighting off infection
  • Thymus: Anatomy, histology and function - Kenhub
    The thymus is a primary lymphoid organ located in the mediastinum It consists of two lobes connected by an isthmus Histologically, the thymus is divided into lobules, each one consisting of a central medulla and a peripheral cortex The thymus is an essential component of our immune systems
  • Thymus Gland- Definition, Structure, Hormones, Functions, Disorders
    What is Thymus Gland? Definition of Thymus Gland The thymus gland is one of the key organs in the lymphatic system, which occurs in the mediastinum below the sternum The thymus extends from the lower edge of the thyroid gland to the fourth intercostal space of the vertebrae
  • The Thymus Gland - Structure - Vasculature - TeachMeAnatomy
    In this article, we shall look at the anatomy of the thymus gland – its structure, position and vasculature Explore, cut, dissect, annotate and manipulate our 3D models to visualise anatomy in a dynamic, interactive way The thymus gland has an asymmetrical flat shape, with a lobular structure





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