Tsumanets I. O., Slobodian O. M.

FEATURES OF ANATOMICAL VARIABILITY OF SUPERFICIAL NECK MUSCLES IN FETUSES AND NEWBORNS

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About the author:

Tsumanets I. O., Slobodian O. M.

Heading:

MORPHOLOGY

Type of article:

Scientific article

Annotation:

DClarifying embryological data on the sequence of laying and syntopic relationships, critical periods, and diversity of muscle topography will help improve existing surgical approaches and treatment methods, considering the diagnostic criteria of normality. The study aimed to determine the peculiarities of anatomical variability of the superficial neck muscles in fetuses and newborns. The study was performed on 63 human fetuses aged 4 to 10 months and seven newborns (including five isolated organ complexes) using macromicrodissection, topographic and anatomical sections, radiography, computed tomography, morphometry, and statistical analysis. An additional omosternohyoid area was identified on the anterior neck of fetuses and newborns, which is formed by the medial edges of the right and left sternohyoid muscles on the sides and the hyoid bone and jugular notch of the sternum from above and below, respectively. This area had an elongated rectangular shape in 35% of cases, a trapezoidal shape with a larger upper base in 40%, and a trapezoidal shape with a wider lower base in 25%. Variants of the sternocleidomastoid origin in this age group are determined by the peculiarities of its structure. In 35% of cases, the sternocleidomastoid arose with three pedicles: medial, middle and lateral; in 50% - with two pedicles, medial and lateral; and in the remaining observations (15% of cases), the muscle arose from the anterosuperior part of the sternoclavicular joint in one wide strand. Anatomical variability in fetuses and newborns is observed in the shape of the lesser supraclavicular fossa and the structure of the omoclavicular triangle and sternohyoid.

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Bibliography:

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Publication of the article:

«Bulletin of problems biology and medicine», 2024 Issue 2, 173, 412-423 pages, index UDC 611.733-053.31

DOI:

10.29254/2077-4214-2024-2-173-412-423