Lymphatic lacunae of the mucosal folds of human uterine tubes - A rediscovery of forgotten structures and their possible role in reproduction

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11130%2F18%3A10376501" target="_blank" >RIV/00216208:11130/18:10376501 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.1016/j.aanat.2018.06.005" target="_blank" >https://doi.org/10.1016/j.aanat.2018.06.005</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.aanat.2018.06.005" target="_blank" >10.1016/j.aanat.2018.06.005</a>

Result language

angličtina

Original language name

Lymphatic lacunae of the mucosal folds of human uterine tubes - A rediscovery of forgotten structures and their possible role in reproduction

Original language description

The mucosa of uterine tube forms multiple and branched longitudinal mucosal folds and takes part in many reproduction events, such as oocyte pick-up, gamete transport, sperm capacitation, fertilization, and early embryonic development. In the habilitation thesis of German physician Paul Kroemer (1904) was the first to describe the lymphatic lacunae inside the tubal folds (by injection of Indian ink), which the author named the öLymphbahnen&quot; (ölymphatic channels&quot;). Despite the fact that this first description has existed for 110 years, there is no mention of these lacunae in most of the current literature. In this article we present a rediscovery of completely overlooked morphological structures of uterine tubes - the lymphatic lacunae in their mucosal folds. The specimens from the uterine tubes were taken from 72 women (mean age 46.25 years) who underwent transabdominal or laparoscopic salpingectomy. The tissue samples from anatomically different parts of the uterine tubes were used for hematoxylin and eosin staining and for immunohistochemistry. Primary antibodies were used to label and detect podoplanin D2-40, a selective marker of lymphatic endothelia, CD34 antigen, and von Willebrand factor (Factor VIII). In the histological slides of the uterine tubes, there were noticeable slits or gaps within the loose connective tissue of the lamina propria of the mucosal folds. They were lined with one layer of squamous endothelial cells. These öempty spaces&quot; were most prominent in the fimbriae, but were still well recognizable in mucosal folds of the ampulla. They always run through the central part of the fold. As a results of immunohistochemistry, we confirmed that in the centre of every mucosal fold, as well as in the fimbriae of the uterine tubes, dilated lymphatic spaces were situated and were lined with a simple layer of lymphatic endothelial cells (positive for podoplanin and CD34, and negative for Factor VIII). As there is no mention on them in the current Terminologia Histologica, we proposed the term ölymphatic lacunae of tubal mucosal folds and fimbriae&quot; in English and ölacunae lymphaticae plicae mucosae et fimbriae&quot; in Latin. According to our hypothesis, these lymphatic lacunae may be responsible for the thickening of the fimbriae during the oocyte pick-up and the maintenance of the tubal fluid.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

30502 - Other medical science

Project

—

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Annals of Anatomy

ISSN

0940-9602

e-ISSN

—

Volume of the periodical

219

Issue of the periodical within the volume

September

Country of publishing house

DE - GERMANY

Number of pages

8

Pages from-to

121-128

UT code for WoS article

000443531900014

EID of the result in the Scopus database

2-s2.0-85049564476