Control sections at different days of pregnancy, incubated in absence of the first antibody for subplacenta (A), interlobium and labyrinth (B-G), subplacenta and syncitial streamers (H), spiral arteries (I,J) and mesometrial artery (K)

<p><b>Copyright information:</b></p><p>Taken from "Spatio-temporal expression of MMP-2, MMP-9 and tissue kallikrein in uteroplacental units of the pregnant guinea-pig (Cavia porcellus)"</p><p>http://www.rbej.com/content/5/1/27</p><p>Reproductive Biology and Endocrinology 2007;5():27-27.</p><p>Published online 2 Jul 2007</p><p>PMCID:PMC1934362.</p><p></p> Bar = 50 μ