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18149

Developmental and Histological Studies of Fungiform Papillae in Fetal Human Tongue

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Last updated: 03 Jan 2025

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Abstract

This study was designed to evaluate the histological development of fungiform papillae of human tongue during the prenatal period. Lateral Sagittal sections were taken at autopsy from the anterior two-third of 18 aborted fetuses of 8, 10, 12, and 20 weeks of gestations and 2 stillborn infants at 40 weeks of gestation. Twenty specimens were prepared in paraffin and stained for histological study. The gestational ages were calculated after measuring the Crown Rump Length [C.R.L.]. It was found that the first appearance of fungiform papillae was nearly about the 10th week of gestation, before the appearance of filiform papillae, most of the developed fungiform papillae were cylindrical in shaped with appearance of nerve plexus, at 12th week they reached mushroom shaped with narrow base and broad apex and became differentiated into primary and secondary papillae, also presumptive taste buds were noticed at this age in the form of multiple local thickening of papillary epithelium. At 20th week of gestation the taste buds became more developed, the papillae appeared more vascular. At full term (40th week) the fungi form papillae reached full maturity. It is concluded that this study suggests that the development of fungi form papillae requires an epithelial and mesenchymal interaction during morphogenesis

DOI

10.21608/ejhm.2005.18149

Authors

First Name

Lotfy

Last Name

Sayed

MiddleName

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Affiliation

Departments of Anatomy and Histology-Faculty of Medicine Al Azhar University

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Orcid

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First Name

Atef

Last Name

Ibrahim

MiddleName

-

Affiliation

Departments of Anatomy and Histology-Faculty of Medicine Al Azhar University

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Orcid

-

First Name

Esam

Last Name

Abdelhady

MiddleName

-

Affiliation

Departments of Anatomy and Histology-Faculty of Medicine Al Azhar University

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Orcid

-

First Name

Hosam El-Din

Last Name

Hussin

MiddleName

-

Affiliation

Departments of Anatomy and Histology-Faculty of Medicine Al Azhar University

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-

City

-

Orcid

-

First Name

Ghassan

Last Name

Ahmed

MiddleName

-

Affiliation

Catalyst, USAID (United States Agency for International Development)

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Volume

18

Article Issue

1

Related Issue

3766

Issue Date

2005-01-01

Receive Date

2018-11-01

Publish Date

2005-01-01

Page Start

133

Page End

141

Print ISSN

1687-2002

Online ISSN

2090-7125

Article File

EJHM_Volume 18_Issue 1_Pages 133-141.pdf

PDF . 723.9kB

Link

https://ejhm.journals.ekb.eg/article_18149.html

Detail API

https://ejhm.journals.ekb.eg/service?article_code=18149

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Original Article

Type Code

606

Publication Type

Journal

Publication Title

The Egyptian Journal of Hospital Medicine

Publication Link

https://ejhm.journals.ekb.eg/

MainTitle

Developmental and Histological Studies of Fungiform Papillae in Fetal Human Tongue

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Article

Created At

22 Jan 2023