Fetal Development - 18 Weeks: Difference between revisions

Revision as of 07:54, 26 February 2012

Introduction

Images on this current page show thymus development histology occurring during the 18 week post-fertilization age or 20 week gestational age (GA) second trimester stage of development.

Historic Embryology
1940 Fetus Physiology
Carnegie Fetal: 95 \| 96 \| 142 \| 145 \| 184 \| 211 \| 217 \| 300 \| 362 \| 448 \| 449 \| 538 \| 590 \| 607 \| 625 \| 662 \| 693 \| 847 \| 858 \| 922 \| 928 \| 948 \| 972 \| 1318 \| 1388 \| 1455 \| 1591 \| 1597b \| 1656 \| 1686 \| 2250a \| 2250b \| 3990 \| 5652 \| 6581 \| 7218

Thymus Histology

The developing fetal thymus shown below is from a 20 week gestational age (GA), 18 week post-fertilization age, or second trimester stage of development.

Note, there is no specific event occurring in thymus growth during week 18, this happens to be the period available to show fatal histology.

Fetal Thymus overview
Fetal Thymus Medulla
Fetal Thymus Cortex
unlabeled fetal overview
unlabeled fetal medulla
unlabeled fetal thymic corpuscle
unlabeled fetal cortex

References

Reviews

Articles

Search PubMed

Note: Week 18 post-fertilization age (used throughout this current website) is Week 20 gestational age (LMP). Searches for clinical Week 20 gestational age will match this post-fertilization age.

Search PubMed Now: week 20 fetus | second trimester fetus

Glossary Links

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Cite this page: Hill, M.A. (2024, June 2) Embryology Fetal Development - 18 Weeks. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Fetal_Development_-_18_Weeks

What Links Here?

Revision as of 07:52, 26 February 2012 (view source) Z8600021 (talk \| contribs) No edit summary ← Older edit		Revision as of 07:54, 26 February 2012 (view source) Z8600021 (talk \| contribs) (→‎Search PubMed) Newer edit →
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	'''Note:''' Week 18 post-fertilization age (used throughout this current website) is Week 20 gestational age (LMP). Searches for clinical Week 20 gestational age will match this post-fertilization age.		'''Note:''' Week 18 post-fertilization age (used throughout this current website) is Week 20 gestational age (LMP). Searches for clinical Week 20 gestational age will match this post-fertilization age.

	'''Search PubMed Now:''' [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=search&term=week+20+fetus week 20 fetus]		'''Search PubMed Now:''' [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=search&term=week+20+fetus week 20 fetus] \| [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=search&term=second+trimester+fetus second trimester fetus]