Fetal Pig Dissection Introduction: Today, we begin a new chapter in ...
Fetal Pig Dissection Introduction: Today, we begin a new chapter in ...
Fetal Pig Dissection Introduction: Today, we begin a new chapter in ...
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probably not see much of the urethra until you dissect thereproductive system.B. Female Reproductive System: Grabb<strong>in</strong>g both h<strong>in</strong>d legs, carefully crackthe pelvis, splay<strong>in</strong>g each leg far to the side. Next, carefully cut throughthe pelvis bone bet<strong>we</strong>en the h<strong>in</strong>d legs, so the legs will lie flat. Do notdamage the tissues ly<strong>in</strong>g beneath the bond.i. ____ Ovaries: Two small bean-shaped bodies <strong>in</strong> the lo<strong>we</strong>r part ofthe abdomen. You must move the <strong>in</strong>test<strong>in</strong>es aside <strong>in</strong> order to seethem.ii. ____ Uter<strong>in</strong>e tubes: Lift an ovary with a probe and look on theundrside of the ovary for a t<strong>in</strong>y, coiled tube.iii. ____ Uter<strong>in</strong>e horns: The uter<strong>in</strong>e tubes broaden <strong>in</strong>to thicker, flattertubes, this is where the embryos develop <strong>in</strong> pigs (not <strong>in</strong> the uterusas <strong>in</strong> human). These are homologous organs to the fallopian tubes<strong>in</strong> women.iv. ____ Uterus: Somewhat v-shped structure formed at the junctionof the two uter<strong>in</strong>e horns. Unlike the human, this is not the site ofembryo development.v. ____ Vag<strong>in</strong>a: A thick muscular structure which is a posteriorcont<strong>in</strong>uation of the uterus. You will have to push apart the severedpelvic bones and clear away membrane so that you can trace theuterus to the vag<strong>in</strong>a.vi. ____ Urethra: Tube which extends from the bottom of the bladderand jo<strong>in</strong>s with the vag<strong>in</strong>a to form the urogenital s<strong>in</strong>us <strong>in</strong> the femalepig. This is not a reproductive structure <strong>in</strong> the female pig.vii. ____ Urogenital s<strong>in</strong>us: Located about an <strong>in</strong>ch from the posteriorend of the female pig; the junction of the vag<strong>in</strong>a and the urethra.This tube leads to the urogenital open<strong>in</strong>g <strong>in</strong> the female pig.viii. ____ Urogenital open<strong>in</strong>g: Open<strong>in</strong>g to the urogenital s<strong>in</strong>us; foundventral to the anal open<strong>in</strong>g <strong>in</strong> the female pig.