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Obstetric and Gynecological Nursing - The Carter Center

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• provides a site for fertilization<br />

• It supplies the fertilized ovum with nutrition during its<br />

continued journey to the uterus<br />

Position - extend laterally from the cornea of the uterus<br />

towards the side walls of the pelvis<br />

Supports - are held in place by their attachment to the uterus.<br />

Structure - Each tube is 10cm long. It has four portions<br />

- <strong>The</strong> interstitial portion is 1.25cm long <strong>and</strong> lies with in the<br />

wall of the uterus. Its lumen is 1 mm wide.<br />

- <strong>The</strong> isthmus is another narrow part which extends for<br />

2.5cm from the uterus<br />

- <strong>The</strong> ampoule is the wider portion where fertilization<br />

usually occurs. It is 5 cm long.<br />

- <strong>The</strong> infundibulum is the funnel - shaped fingered end<br />

which is composed of many process known as fimbriae.<br />

One fimbria is elongated to form the ovarian fimbria which<br />

is attached to the ovary.<br />

2.3.6 <strong>The</strong> ovaries<br />

Function: - produce ova <strong>and</strong> the hormones estrogen <strong>and</strong><br />

progesterone<br />

Position: - they are attached to the back of the broad<br />

ligamentnear the fimbriated end of the fallopian tube.<br />

25

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