Lesson 1 (Part 1) Flashcards
Is the uterus inter or retroperitoneal?
Retroperitoneal
What cavity is the uterus located in?
The pelvic cavity
What happens to the uterus between birth and puberty?
It descends gradually from the lower abdomen into the true pelvis
Where is the bladder compared to the uterus?
Anterior to it
Where is the symphysis pubis compared to the uterus?
Anterior to it
Where is the rectum compared to the uterus?
Posterior to it
What 3 major parts make up the uterus?
- Fundus
- Body
- Cervix
Cornua
Area of the body where the tubes enter
What is superior to the cornua?
The fundus
Where is the body of the uterus located?
Between the cervix and the cornua
Where is the cervix located?
Slight narrowing between the body and proximal cervix
Where does the cervix open into?
The upper vagina
What is the internal canal of the cervix made up of? (2)
- Internal os
2. External os
What are the 4 fornix’s at the distal end of the cervix space between the vagina? (3)
- 2 lateral fornix
- Anterior fornix
- Posterior fornix
What lies in the midline of the vagina?
Fibromuscular canal
Where does the vagina run from?
The cervix to the external genitalia
Where does the cervix protrude?
Into the proximal portion of the vagina
Uterus
Hollow, thick walled muscular organ
What are the 3 layers that make up the uterus?
- Perimetrium External
- layer of serous membrane - Myometrium
- Endometrium
Perimetrium External
Outermost serous layer of the uterus
- the visceral peritoneum
Myometrium
The middle layer of the uterus
- interlacing layers of smooth muscle
Endometrium
Mucosal lining of the uterine cavity changes in thickness during the menstrual cycle
What layer makes up most of the uterus?
Myometrium
What are the 3 layers of the myometrium?
- Inner layer
- subendometrial halo - Intermediate
- Outer
What 2 layers make up the endometrium?
- Superficial functional layer
2. Deep basal layer
What does the superficial functional layer do?
It is the part that sloughs off during each menses
What layer stays attached to the uterus during menses?
Deep basal layer of the endometrium
