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Picture: The newly discovered muscle layer extends from the back of the cheekbone to the anterior mandibular process
There are still some surprises waiting for us in human anatomy: Researchers at the University of Basel have discovered the previously overlooked part of our jaw muscles and described this layer in detail for the first time
The masseter muscle is the most prominent part of the mandibular muscle
Now, researchers led by Dr.
The anatomical study is based on a detailed examination of the formalin-fixed mandibular muscle tissue, computed tomography and analysis of stained tissue sections of the deceased who donated their remains
It's like discovering a new animal species
Mezey explained: "In terms of the movement and function of the masseter muscle, this deep part of the masseter muscle is significantly different from the other two layers
A look at historical anatomical studies and textbooks will reveal that the structure of the masseter muscle has caused many problems in the past
Other individual studies from the beginning of the 21st century also reported the three layers of the masseter muscle, but they divided the surface layer of the masseter muscle into two layers and agreed with their standard description of the deep part
"In light of these conflicting descriptions, we want to examine the masseter muscle structure once again," Türp said
DOI
10.
