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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: The Function of the Gland Why it is Important
    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 - 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 Gland: Functions, Health Problems, and More - WebMD
    What Is the Thymus Gland? The thymus gland is a soft organ that is large in babies but begins to shrink after puberty Once you reach adulthood, your thymus gland becomes relatively small
  • 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 . . .
    The thymus gland is a bilobed gland consisting of two pyramid-shaped lobes, each with a lobulated surface differentiated into the outer cortex and inner medulla Each lobe of the gland is surrounded by a dense capsule of connective tissue and divided internally by a connective tissue septum
  • Thymus Gland: Location, Function, Related Conditions
    What Does the Thymus Gland Do? The thymus gland is a small organ in the chest It is a part of the endocrine, lymph, and immune systems, making hormones and a specific type of white blood cell that helps clear infections “Thymus” comes from the Greek word for soul, “thumos ”
  • The Thymus Gland - Structure - Vasculature - TeachMeAnatomy
    The thymus gland is a pink, lobulated lymphoid organ, located in the thoracic cavity and neck In the adolescent, it is involved the development of the immune system After puberty, it atrophies and is replaced by fat





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