[1
]
Department of Human Histology and Embryology, Faculty of Medical Sciences, University
of Warmia and Mazury in Olsztyn, Olsztyn, Poland a.kowalczyk@uwm.edu.pl.
[2
]
Department of Human Histology and Embryology, Faculty of Medical Sciences, University
of Warmia and Mazury in Olsztyn, Olsztyn, Poland.
[3
]
Department of Histology and Embryology, Wroclaw Medical University, Wroclaw, Poland.
[4
]
Department of Histology and Embryology, Wroclaw Medical University, Wroclaw, Poland
Department of Physiotherapy, Wroclaw University School of Physical Education, Wroclaw,
Poland.
[5
]
Department of Human Histology and Embryology, Faculty of Medical Sciences, University
of Warmia and Mazury in Olsztyn, Olsztyn, Poland Department of Histology, Medical
University of Gdansk, Gdansk, Poland.