Human Female Half Pelvis

Quick Answer: The human female half pelvis model shows the female pelvis divided along the midline, so the bladder, uterus, vagina and rectum can be seen in section in their natural positions. It is used in nursing, midwifery and anatomy teaching to explain how the pelvic organs lie in relation to one another and to the pelvic bones.

Reading a Midline Section of the Female Pelvis

A half pelvis model is a median section: the cut surface shows the pubic symphysis at the front and the sacrum and coccyx at the back, with the organs lying between them in order. The bladder sits behind the pubic bone, the uterus and vagina occupy the middle, and the rectum lies against the sacrum. Viewed this way, the short female urethra and the angle of the uterus are easy to see, which a whole pelvis hides.

The uterus is usually anteverted and anteflexed, tipped forward over the bladder, and the section shows the two peritoneal pouches this creates: the vesicouterine pouch between bladder and uterus, and the deeper rectouterine pouch, or pouch of Douglas, between uterus and rectum. The pouch of Douglas is the lowest point of the peritoneal cavity when standing, so fluid, blood or pus tends to collect there.

These relationships have practical uses in training. Nursing students learn the length and direction of the urethra before catheterisation; midwifery students relate the cervix and vaginal fornices to examination; and the position of the rectum behind the vagina explains how some pelvic structures are assessed. The exact organs and level of detail should be checked against your syllabus.

Applications

• Teaching the relationships of the female pelvic organs in anatomy and nursing courses
• Preparing nursing students for female urinary catheterisation by showing urethral length and direction
• Explaining the rectouterine pouch and why fluid collects there
• Midwifery lessons on the position of the cervix, uterus and vaginal fornices

Specifications

Care & Handling

• Rest the female half pelvis model on its base or flat cut side as designed, never on the curved outer surface.
• Wipe with a soft damp cloth and avoid scratching the painted cut surface, where the structures are easiest to read.
• Store covered in a dry cupboard.

Why Choose LabEquip

Nursing colleges and midwifery schools often choose a half pelvis because a midline section shows organ relationships that no external view can. LabEquip supplies it among its biology lab products, with the female pelvic muscles and organs model for pelvic floor teaching. Ask through the contact page for details.

Frequently Asked Questions

What does half pelvis mean?

The pelvis is modelled as if cut down the midline from front to back. Only one half is shown, so the organs and bones appear in section with their internal structure visible.

What is the pouch of Douglas?

It is the rectouterine pouch, the fold of peritoneum between the back of the uterus and the rectum. As the lowest point of the peritoneal cavity when upright, it is where free fluid tends to gather.

What do anteverted and anteflexed mean?

Anteverted means the cervix is tipped forward relative to the vagina. Anteflexed means the body of the uterus is bent forward on the cervix. Together they describe the usual forward-leaning position of the uterus over the bladder.

How long is the female urethra?

It is short, typically about four centimetres, and runs from the bladder to its opening in front of the vagina. Its short length is one reason urinary tract infections are more common in women.

How is this different from a female genital organs model?

A genital organs model shows the reproductive organs themselves. The half pelvis places them in their setting, with the bladder, rectum and pelvic bones, so students learn relationships rather than individual organs.

Which courses use a half pelvis model?

It is used in nursing, midwifery, medical and physiotherapy anatomy, and in advanced secondary biology where reproduction and the urinary system are taught together.

Last Updated: September 2026