ANATOMIC FEATURES OF THE EYEBALL AND ORBIT IN HUMAN PRENATAL ONTOGENESIS
Abstract
Obtaining qualitative and quantitative data on the anatomy of the eyeball and orbit in a second-trimester fetus is the basis for developing surgical methods for correcting anomalies in utero.
Objective. To identify the features of the anatomy of the eyeball and orbit in human prenatal ontogenesis.
Material and methods. The study was conducted on a complex of anatomical structures «eyeball orbit» of 100 human fetuses of the second trimester of both sexes using morphological methods (classical anatomical study) and the method of intravital visualization.
Results. The eyeball is formed in the second trimester, its size averages from 8.36 ± 2.01 mm to 8.85 ± 2.37 mm. In a secondtrimester fetus, the eyeball consists of three membranes (fibrous, vascular and internal), the ratio of their thickness by the end of the second trimester is 53%, 25%, 22%, respectively. One of the features of fetal development is a change in the position of the eyeball in the orbit.
Conclusion. The features of the development of the anatomy of the eyeball and orbit in the second trimester have practical significance for the manifestation of feto-anomalous alertness and contribute to the development of microsurgical techniques.
About the Authors
S. I. Naydenova
Оренбургский филиал ФГАУ НИМЦ МНТК «Микрохирургия глаза им. акад. С.Н. Федорова» Минздрава России
Russian Federation
Russian Federation
E. D. Lutsai
ФГБОУ ВО «Оренбургский государственный медицинский университет» Минздрава России
Russian Federation
Russian Federation
I. V. Astafyev
ФГБОУ ВО «Оренбургский государственный медицинский университет» Минздрава России
Russian Federation
Russian Federation
A. A. Grigorieva
ФГБОУ ВО «Оренбургский государственный медицинский университет» Минздрава России
Russian Federation
Russian Federation
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Review
For citations:
Naydenova S.I., Lutsai E.D., Astafyev I.V., Grigorieva A.A. ANATOMIC FEATURES OF THE EYEBALL AND ORBIT IN HUMAN PRENATAL ONTOGENESIS. Bashkortostan Medical Journal. 2025;20(3):46-50. (In Russ.)
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