File:Thymus histology 01.jpg

From Embryology

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Fetal Thymus Overview

Thymus lymphoid tissue, overview 20th week of gestation.

  • thymus is enclosed by a thin connective tissue capsule
  • numerous septa extend into the thymus subdividing the two lobes
  • two lobes divided into into numerous lobules (about 0.5 -2 mm in diameter).
  • Blood vessels enter and leave the thymus via the connective tissue septa.
  • Each lobulus is divided into
  • Medullary tissue is continuous from lobule to lobule throughout each lobe.

Compare this structure with the Adult Thymus.

Thymus Histology: Fetal Thymus overview | Fetal Thymus Medulla | Fetal Thymus Cortex | Adult Thymus | unlabeled fetal overview | unlabeled fetal medulla |unlabeled fetal thymic corpuscle |unlabeled fetal cortex | unlabeled adult overview | Category:Thymus | Immune System Development



Links: Histology | Histology Stains | Blue Histology images copyright Lutz Slomianka 1998-2009. The literary and artistic works on the original Blue Histology website may be reproduced, adapted, published and distributed for non-commercial purposes. See also the page Histology Stains.


Cite this page: Hill, M.A. (2024, April 15) Embryology Thymus histology 01.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Thymus_histology_01.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

File history

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Date/TimeThumbnailDimensionsUserComment
current15:11, 26 February 2016Thumbnail for version as of 15:11, 26 February 20161,280 × 1,024 (723 KB)Z8600021 (talk | contribs)adjust colour of stain
07:15, 26 February 2012Thumbnail for version as of 07:15, 26 February 20121,280 × 1,024 (639 KB)Z8600021 (talk | contribs)==Fetal Thymus Overview== Thymus lymphoid tissue, overview 20th week of gestation. * thymus is enclosed by a thin connective tissue capsule * numerous septa extend into the thymus subdividing the two lobes * two lobes divided into into numerous lobules

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