Differences Between Male and Female – Branches of Internal Iliac Artery

by James Pickering, PhD

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    00:00 Now let's move onto the individual branches in the male and the female that may be specific. Here in this diagram we can see we have the bladder. We can see we have the seminal vesicles. We can have the vas deference.

    00:15 If we look at the vas deference, we will see running along here. We can see running alongside it, we have the artery to the vas deference. So this is specifically found in the male where we have the vas deference We can see we have the superior vesicle arteries supplying the superior aspect of the bladder. And we can also see that we have inferior vesicle arteries that are coming down and supplying the base of the bladder and also giving prostatic branches to supply the prostate.

    00:46 So this is what we find in the male. Here in this diagram we can also see we have got the superior rectal arteries, running down on the lateral surface either side on the lateral surfaces of the rectum.

    00:58 We can also see in this example we have the middle rectal artery and that's giving rise just before the internal iliac dives out of the pelvis via the lesser sciatic foramen.

    01:11 I have included the testes here just to show the blood supply to the testes.

    01:14 But all I really wanted to mention is that we have the testicular artery.

    01:18 Remember the testicular artery comes from the aorta.

    01:22 It doesn't come from the internal iliac artery.

    01:26 So we have got the testicular artery which is going to supply the testes.

    01:29 But look we can see here we still have the artery to the vas deference.

    01:33 Running on the vas deference that's then going to go to towards the epididymis. So we can see there is the potential here for some kind of collateral circulation between the two systems; branches from the internal iliac and branches from the abdominal aorta.

    01:48 So that's a general overview of the branches in the internal iliac within the male.

    01:55 If we look at the female, then I have mentioned few of these arteries before. Again we have the idea that we have got the ovary here, we've got the ovary here.

    02:04 And we can see that we have the ovarian artery. Remember the ovarian artery is coming up from the aorta. Its not coming from the internal iliac artery.

    02:14 And then we look at the specific branches that supply the uterus and the vagina from the internal iliac. Remember we have the uterine artery here its the uterine artery is supplying the body of the uterus.

    02:27 It will run within the broad ligament and form a collateral circulation, an anatomosis with the ovarian arteries. So again there is potential for links between the internal iliac and the aorta. We can see that coming from the uterine artery we have the vaginal branches. And these are supporting the vaginal artery So here we can see the vaginal artery. This direct branch coming from the internal iliac and in the male it is inferior vesicle.

    02:59 In the female it's the vaginal artery and that specifically going to supply the vagina. So here we can see the various branches in the female. The branches coming from the internal iliac, uterine artery, its vaginal branches and the vaginal artery. And also branches coming from the aorta where we have the ovarian artery.

    03:21 It?s really important to remember that this uterine artery is positioned above the ureter.

    03:31 So if a lady was to have a hysterectomy, then when the uterus was removed then you would clamp off the uterine artery If you didn't and then you removed the uterus you would have bleeding out in the pelvis.

    03:45 So the relationship is that you have got the uterine artery uterine artery and coming down you have the ureter that flows underneath this blood vessels. That's really important when you need to remove the uterus that you clamp the uterine artery and you can deal with it, you can ligate it, and you leave the ureter intact.

    04:08 How you can tell the difference between the ureter and uterine artery? Well, uterine artery will have this pulsatile contraction as the blood is passing through the uterine artery.

    04:20 And if you are the surgeon you can just tap the ureter and that will stimulate a way of the peristalsis that will go in both directions. The direction back up the kidney and a direction down to the ureter. So remember that the water within the ureter flows under the bridge. The bridge being the uterine artery.

    04:39 And that's an important consideration when looking at the blood supply to the female.

    About the Lecture

    The lecture Differences Between Male and Female – Branches of Internal Iliac Artery by James Pickering, PhD is from the course Pelvis.

    Included Quiz Questions

    1. Ureters
    2. Ovarian artery
    3. Vaginal artery
    4. Bladder
    5. Ovaries
    1. Testicular artery
    2. Umbilical artery
    3. Middle rectal artery
    4. Inferior vesical artery
    5. Uterine artery

    Author of lecture Differences Between Male and Female – Branches of Internal Iliac Artery

     James Pickering, PhD

    James Pickering, PhD

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