2.2 ‘n Wetenskaplike het ‘n studie gedoen om vas te stel o…

Written by Anonymous on June 21, 2021 in Uncategorized with no comments.


2.2 'n Wetenskаplike het 'n studie gedоen оm vаs te stel оf  ʼn  vаsektomie (die afsny van die vas deferens) ‘n invloed sal hê op testosteroonproduksie.  Hy het twaalf volwasse, manlike Reuse Afrika rotte gebruik. Hy het hulle in drie groepe ingedeel. Aan die begin van die eksperiment was al die rotte getoets - almal het dieselfde testikulêre gewig, spermtelling, sperm-beweeglikheid en testosteroonvlakke gehad.  'n Vasektomie was gedoen slegs op die regter testes van die rotte in Groep 1 en Groep 2. Hulle linker testes het onbehandeld gebly. Die rotte in Groep 3 het heeltemal onbehandeld gebly.  Na 6 en 8 weke was die testosteroonvlakke in die rotte se bloed getoets. Semen van beide testes was onttrek en geanaliseer. Die resultate word in die tabel hieronder getoon. Resultate van 'n vasektomie op testosteroonvlakke in Reuse Afrika rotte Groep Behandeling Hoeveelheid weke tussen vasektomie en toetsing Testikulêre gewig (g) Spermtelling (x 106/ml) Beweeg-baarheid van sperm (%) Testosteroon vlakke (ng/ml) Rtestis L testis R testis L testis 1 Vasektomie aan regter testis 8 weke 1.75 2.26 0.25 0.35 22 0.65 2 Vasektomie aan regter testis 6 weke 2.53 3.22 7.2 14.1 19 1.1 3 Onbehandeld 8 weke 5.51 5.35 71.0 68.2 83 1.4   Aangepas vanaf:  Makerere Medical School, Uganda 2013 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3824497/

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