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Descriptor English: Thymus Gland
Descriptor Spanish: Timo
Descriptor timo
Entry term(s) glándula tímica
Scope note: Órgano linfoide primario impar y asimétrico situado en el MEDIASTINO, que se extiende cranealmente en el cuello a nivel del borde inferior de la GLÁNDULA TIROIDES y caudalmente a nivel del cuarto cartílago costal. Es necesario para el normal desarrollo de la función inmunológica en etapas tempranas de la vida. En la pubertad, comienza a involucionar y gran parte del tejido es remplazado por grasa. Consta de una zona externa, la corteza, relativamente rica en linfocitos (timocitos) y una zona interna, la médula, relativamente rica en células epiteliales. El timo es el lugar de producción de los linfocitos T. (Dorland, 27th ed)
Descriptor Portuguese: Timo
Descriptor French: Thymus (glande)
Entry term(s): Glande thymique
Tree number(s): A10.549.750
A15.382.520.604.750
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D013950
Scope note: A single, unpaired primary lymphoid organ situated in the MEDIASTINUM, extending superiorly into the neck to the lower edge of the THYROID GLAND and inferiorly to the fourth costal cartilage. It is necessary for normal development of immunologic function early in life. By puberty, it begins to involute and much of the tissue is replaced by fat.
Annotation: diseases: coordinate IM with LYMPHATIC DISEASES (IM); / surg: probably THYMECTOMY; agenesis, aplasia, dysplasia = DIGEORGE SYNDROME; cyst = THYMIC CYST see MEDIASTINAL CYST; THYMOCYTES is available
Allowable Qualifiers: AB malformations
AH anatomie et histologie
BS vascularisation
CH composition chimique
CY cytologie
DE effets des médicaments et des substances chimiques
DG imagerie diagnostique
EM embryologie
EN enzymologie
GD croissance et développement
IM immunologie
IN traumatismes
IR innervation
ME métabolisme
MI microbiologie
PA anatomopathologie
PH physiologie
PP physiopathologie
PS parasitologie
RE effets des radiations
SU chirurgie
TR transplantation
UL ultrastructure
VI virologie
Related: Bourse de Fabricius MeSH
Thymectomie MeSH
DeCS ID: 14338
Unique ID: D013950
NLM Classification: WK 400
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2011/06/24
Thymus (glande) - Preferred
Concept UI M0021468
Preferred term Thymus (glande)
Entry term(s) Glande thymique



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