Lesson 6C (Part 1) Flashcards
What are the organs located in the false/greater pelvis?
The gastrointestinal organs
What are the organs located in the true/lesser pelvis? (3)
- Urinary organs
- Reproductive organs
- Accessory sex structures
- sex dependant
What side of the false pelvis is the cecum and ascending colon located?
On the right side
What side of the false pelvis is the descending colon located?
On the left side
Where does the descending colon become continuous with the sigmoid colon?
At the pelvic brim
At what level does the sigmoid colon join with the rectum?
At the level of mid sacrum
- becomes fixed to the posterior pelvic wall
What does the rectum follow?
The curvature of the sacrum/coccyx onto the pelvic floor where it penetrates the levator ani muscle and becomes the anal canal
What does the linea terminalus separate?
The false and true pelvis
What does vesico mean?
Sac or bladder
What are 2 pouches in the female?
- Rectouterine
2. Vesicouterine
What does the rectouterine pouch extend to?
The rectum to the uterus
What does the vesicouterine pouch extend to?
The bladder to the uterus
What is the pouch in males?
Rectovesical
Where does the rectovesicle extend to?
The bladder to the rectum
Where is the upper half of the ureters located?
In the abdomen
- but cross over the pelvic brim anteriorly to the internal iliac artery origin
What do the urinary organs course?
They course the internal iliac arteries then turn medially at the level of the ischial spine to enter the urinary bladder on its posteroinferior surface
Where does the urinary bladder lay?
Entirely in the true pelvis
Where do females bladders sit?
They rest on the pelvic floor
- pelvic diaphragm
Where is the bladder in females compared to the symphysis pubis?
It is posterior
What is the prostate gland between? (2)
- Urinary bladder
2. Pelvic floor
Where does the urethra project?
Inferiorly from the bladder to the exterior
Where does the urethra project through in males?
Through the prostate gland
How long is the urethra in females?
4cm
- long muscular tube
Where does the urethra extend from in females?
From the internal urethral orifice to the external urethral orifice
Where does the external urethral orifice open into?
The vestibule
- just anterior to the vagina
Where does the urinary organs start at?
The kidneys
What does hilus mean?
Entry
What do the ureters cross over?
The iliac vessels
Where is a common spot for stones?
When the ureters cross over the iliac vessels
What happens to your organs when your bladder is full?
It pushes everything up and slightly out of the true pelvis
What does the orifice mean?
Opening/lumen
What goes around the orifice?
A sphincter
What is the trigone area most sensitive to?
Pain
