Relationship of Uterine Tubes to Ovaries & Uterus
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Questions and Answers

Which part of the uterine tube is funnel-shaped and has fingerlike projections called fimbriae?

  • Isthmus
  • Uterine part
  • Infundibulum (correct)
  • Ampulla
  • Where does fertilization typically occur in the uterine tube?

  • Isthmus
  • Uterine part
  • Infundibulum
  • Ampulla (correct)
  • What is the function of the uterine tubes?

  • Support the weight of the uterus
  • Transport secondary oocytes and fertilized ova from the ovaries to the uterus (correct)
  • Transport ova to the ovaries
  • Produce estrogen
  • Which ligament supports and holds the uterus in position?

    <p>Broad ligament</p> Signup and view all the answers

    What is the expanded region medial to the infundibulum in the uterine tube called?

    <p>Ampulla</p> Signup and view all the answers

    What is the position called when the uterus is normally angled anterosuperiorly across the superior surface of the urinary bladder?

    <p>Anteverted</p> Signup and view all the answers

    Which ligament connects the cervix and superior vagina to the pelvic wall?

    <p>Transverse cervical ligament</p> Signup and view all the answers

    Which layer of the uterine wall is composed of smooth muscle capable of hypertrophy and hyperplasia during pregnancy?

    <p>Myometrium</p> Signup and view all the answers

    What is the function of the uterus in relation to implantation?

    <p>Site of implantation</p> Signup and view all the answers

    In which ligament can weakness lead to prolapse, where the uterus protrudes through the vagina?

    <p>Uterosacral ligament</p> Signup and view all the answers

    Which layer of the endometrium changes thickness during the uterine cycle and is shed if fertilization and implantation don’t occur?

    <p>Functional layer</p> Signup and view all the answers

    What is the space between the uterus and the urinary bladder called?

    <p>Vesicouterine pouch</p> Signup and view all the answers

    Which ligament attaches the lateral ovary to the pelvic wall?

    <p>Suspensory ligament</p> Signup and view all the answers

    What is the primary sex organ in females?

    <p>Ovaries</p> Signup and view all the answers

    Which layer of the ovary contains ovarian follicles?

    <p>Cortex</p> Signup and view all the answers

    What is the innermost layer of granulosa cells surrounding an oocyte called in an antral follicle?

    <p>Corona radiata</p> Signup and view all the answers

    Which stage of follicle development secretes estrogen and progesterone?

    <p>Corpus luteum</p> Signup and view all the answers

    What is the function of corpus albicans in the ovary?

    <p>A white, connective tissue scar reabsorbed by the body</p> Signup and view all the answers

    'Oogenesis' refers to what process in the ovaries?

    <p>Formation of gametes in the ovaries</p> Signup and view all the answers

    What anchors the ovary to the lateral uterus?

    <p>Ovarian ligament</p> Signup and view all the answers

    What is the connective tissue capsule deep to the germinal epithelium called?

    <p>Tunica albuginea</p> Signup and view all the answers

    Study Notes

    Reproductive Cells

    • The larger cell is the ovum (mature egg), while the smaller cell is the second polar body.
    • The nuclei of the sperm cell and the ovum unite to form a diploid zygote.

    Uterine Tubes (Fallopian Tubes/Oviducts)

    • There are two uterine tubes, each about 10 cm (4 in) long, located between the folds of the broad ligaments of the uterus.
    • The tubes transport secondary oocytes and fertilized ova from the ovaries to the uterus.
    • Regions of the uterine tube include:
      • Infundibulum: funnel-shaped lateral margin with fingerlike projections called fimbriae.
      • Ampulla: expanded region where fertilization typically occurs.
      • Isthmus: narrow region just medial to the ampulla.
      • Uterine part: medial to the isthmus, continuous with the uterus.

    Uterus (Womb)

    • The uterus is a pear-shaped, thick-walled, muscular organ within the pelvic cavity.
    • It has a lumen that is continuous with the uterine tubes and the vagina.
    • The uterus is normally angled anterosuperiorly across the superior surface of the urinary bladder.
    • Uterine functions include:
      • Site of implantation.
      • Supports and protects the developing embryo/fetus.
      • Ejects the fetus during labor.

    Support of the Uterus

    • The uterus is supported by:
      • Muscles of the pelvic floor (pelvic diaphragm).
      • Round ligaments that extend from the lateral uterus to the labia majora.
      • Transverse cervical ligaments (cardinal ligaments) that attach the cervix and superior vagina to the pelvic wall.
      • Uterosacral ligaments (sacrocervical ligaments) that connect the inferior portion of the uterus to the sacrum.

    Uterine Tubes and Uterus Wall

    • The uterine wall has three layers:
      • Perimetrium: outermost layer composed of serosa.
      • Myometrium: thick, middle layer composed of smooth muscle.
      • Endometrium: mucosa of simple columnar epithelium and underlying lamina propria with uterine glands.

    Vagina

    • The vagina is a tubular, 10-cm (4-in.)-long fibro-muscular canal lined with mucous membrane.
    • The primary sex organs of the female are the ovaries.
    • The accessory sex organs include:
      • Uterine tubes.
      • Uterus.
      • Vagina.
      • Clitoris.
      • Mammary glands.

    Ovaries

    • The ovaries are paired, oval organs slightly larger than an almond.
    • They are anchored within the pelvic cavity by cords and sheets of connective tissue.
    • Each ovary is supplied by an ovarian artery and ovarian vein.

    Ovarian Follicles

    • The ovary contains thousands of ovarian follicles.
    • A follicle consists of an oocyte surrounded by follicle cells.
    • Stages of follicle development include:
      • Primordial follicle.
      • Primary follicle.
      • Secondary follicle.
      • Antral (vesicular) follicle.
      • Mature follicle.
      • Corpus luteum.
      • Corpus albicans.

    Oogenesis

    • Oogenesis is the formation of gametes in the ovaries.

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    Description

    Learn about the anatomical relationship between the uterine tubes, ovaries, and uterus. Understand the position and functions of the uterus within the pelvic cavity.

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