ciclo menstrual
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ciclo menstrual

Aprende sobre la estructura y función de la vagina, incluyendo sus capas, músculos y ligamentos de soporte. Descubre su papel en el parto y la relación sexual.

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Questions and Answers

La vagina es un tubo musculoso y elástico que conecta la vejiga urinaria con la parte exterior del cuerpo.


La mucosa es la capa exterior de la pared vaginal compuesta por músculo liso.


El músculo liso es responsable de los movimientos voluntarios de la vagina.


Los ligamentos pélvicos conectan la vejiga urinaria con la pelvis.

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

La vagina tiene una longitud promedio de 15-16 cm.

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

La adventitia es la capa interior de la pared vaginal compuesta por células epiteliales.

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

Study Notes

Vaginal Anatomy

Location and Structure

  • The vagina is a muscular, elastic tube that connects the cervix (lower part of the uterus) to the outside of the body.
  • Located between the bladder and rectum, it is approximately 9-10 cm (3.5-4 inches) in length.
  • The vagina is lined with mucous membrane and has a rich blood supply.

Layers of the Vaginal Wall

  • Mucosa: Innermost layer, composed of epithelial cells, rich in blood vessels, and highly sensitive.
  • Adventitia: Middle layer, composed of connective tissue, containing blood vessels and nerve endings.
  • Muscularis: Outermost layer, composed of smooth muscle, responsible for involuntary muscle contractions.

Support Structures

  • Pelvic floor muscles: A group of muscles that support the vagina, bladder, and rectum.
  • Pelvic ligaments: Connect the vagina to the pelvic bones, providing additional support.


  • Receives the penis during sexual intercourse
  • Birth canal during childbirth
  • Self-cleaning mechanism through mucous secretions and shedding of epithelial cells

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