[1]Department of Biochemistry Bingham University Abuja-Keffi Road Karu Nigeria;
[4]Department of Biochemistry University of Ilorin Ilorin Nigeria[5]Phytomedicine Biochemical Pharmacology and Toxicology Laboratories Department of Biochemistry School of Sciences PMB 704 The Federal University of Technology Akure Nigeria;
[2]Department of Medical Bioscience University of the Western Cape Bellville Cape Town South Africa;
[3]Phytomedicine and Biochemical Toxicology Unit Department of Biochemistry Afe Babalola University PMB 5454 Ado-Ekiti Nigeria;
Glyphaea brevis twig; TM4 Sertoli cell line; Inhibin-β; Androgen binding protein;