In the 20th c., after the disappearance COOL B50 of the system of small retention (number of artificial ponds, channels etc.) due to economic changes, on the rivers (Kamionka, Czarna Konecka) appeared events previously unknown during the whole Holocene.There Standing Shelves are catastrophic flash floods caused by hydrotechnical damage.Geomorpholog
Ovarian follicular granulosa cells surround and nurture oocytes, and produce sex steroid hormones.It is believed that during development the ovarian surface epithelial cells penetrate into the ovary and develop into granulosa cells when associating with oogonia to form follicles.Using bovine fetal ovaries (n = 80) we identified a novel cell type, t
Congenital heart defects are the most common type of birth defects in humans and frequently involve heart valve dysfunction.The current treatment for unrepairable heart valves involves valve replacement with an Rangehood Carbon Filter implant, Ross pulmonary autotransplantation, or conventional orthotopic heart transplantation.Although these treatm
Osteochondral grafts are used for repair of focal osteochondral lesions.Autologous grafts are the gold standard treatment; however, limited graft availability and donor site morbidity restrict use.Therefore, there is a clinical need for different graft sources/materials which replicate natural cartilage function.Chitosan has been proposed for this