Surgical and Radiologic Anatomy

, Volume 41, Issue 3, pp 275–279 | Cite as

Manubriosternal joint: synchondrosis or symphysis? Analysis of morphology and aging in humans

  • Júlia Molinaro Sarcinelli
  • Ricardo Eustáquio-Silva
  • Josemberg da Silva BaptistaEmail author
Original Article



The uncertainty about the morphological classification of the manubriosternal joint is historical in the field of Anatomy and is still under discussion. This makes it difficult to teach and diagnosing related matters, especially those that require radiological images. In fact, this subject lacks specific data.


This study aims to describe the morphology of the manubriosternal joint and its age-related changes.


Thirty specimens were divided in three groups: young adults up to 35 years of age, middle-aged adults ranging from 36 to 55, and older adults over 56 years. The subjects were labeled, and blind analysis were performed using the macroscopic and microscopic analysis.


The large presence of isolated fibroblasts and chondrocytes and the lower degree of isogenic groups proved that the manubriosternal joint is a symphysis. Its age-related changes involve the reduction of thickness and hydrated characteristics, loss of uniformity and arrangement of the collagen fibers, hyalinization and the presence of focal lesions, that corroborate with the degenerative process.


The manubriosternal joint is classified as symphysis and the main age-related changes is the relative thickness of the tissue.


Manubriosternal joint Symphysis Synchondrosis Joint Cartilage 



The authors acknowledge the team of Doctors and Technicians of Coroner’s Office of Vitoria, especially Dr. Rogerio Piontkowsky.

Author contributions

JM Sarcinelli: project development and data collection. R Eustáquio-Silva: project conception and manuscript writing/editing. JS Baptista: project development, data analysis and manuscript writing/editing.

Compliance with ethical standards

Conflict of interest

The authors declare no conflicts of interest.


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Copyright information

© Springer-Verlag France SAS, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Laboratory of Applied Morphology, LEMA, Department of MorphologyUniversidade Federal do Espirito Santo, UFESVitoriaBrazil

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