PORTAGE LEARNING BIOD 152 A&P 2 LAB 3
EXAM PREPARATION PACK 2026 KEY
CONCEPTS AND REVISION NOTES
◉ What is the function of the myometrium?
Answer: It expands during pregnancy to hold the growing fetus and
contracts during labor to push the baby out of the uterus.
◉ What are the three regions of the uterus?
Answer: fundus, body, cervix
◉ What is the fundus?
Answer: The height can be measured from the top of the pubic bone
during pregnancy to provide growth rates and a crude indication of
an abnormality (breech presentation or twins).
◉ What is the function of the cervix just prior to ovulation?
Answer: Just prior to ovulation, it softens and secretes mucus
allowing sperm better access to and viability within the uterus.
◉ What are the three layers of the vaginal wall?
,Answer: An inner tissue layer, intermediate muscle layer and outer
tissue layer
◉ infundibulum
Answer: capture egg from ovary and sweep it into the oviduct by
fimbriae and cilia that line the oviducts
◉ isthmus
Answer: closest to the uterus, contractions move the egg to uterus
for implantation if fertilized or if not fertilized it will be moved into
uterine cavity for removal from the body during the menstrual cycle
◉ myometrium
Answer: middle, muscular layer of uterus, expands during
pregnancy to hold growing fetus, contracts during labor
◉ endometrium
Answer: inner layer of uterus, sheds monthly if female is not
pregnant
◉ body of uterus
Answer: receives fertilized egg and it becomes implanted into
endometrium in this region until birth
, ◉ Cervix
Answer: most posterior region, connects uterus to vaginal canal,
prior to ovulation it softens and secretes mucus to facilitate sperm
access to uterus, pregnancy-mucus plug develops to prevent bacteria
from entering uterus
◉ What is the function of the mucosal lining in the vaginal wall?
Answer: lies in folds and can extend which is important when the
vagina serves as the birth canal and it also facilitates intercourse.
◉ vaginal canal function
Answer: receives male penis during intercourse, outlet for menstrual
blood during menses, birth canal
◉ The _____ is a fat pad located in front of the pubic symphysis and is
covered with hair after puberty.
Answer: Mons pubis
◉ The _______is an outer fold of skin that is located posterior to the
mons pubis.
Answer: labia majora
◉ The urethral orifice is located ________ the vaginal orifice.
Answer: anterior to
EXAM PREPARATION PACK 2026 KEY
CONCEPTS AND REVISION NOTES
◉ What is the function of the myometrium?
Answer: It expands during pregnancy to hold the growing fetus and
contracts during labor to push the baby out of the uterus.
◉ What are the three regions of the uterus?
Answer: fundus, body, cervix
◉ What is the fundus?
Answer: The height can be measured from the top of the pubic bone
during pregnancy to provide growth rates and a crude indication of
an abnormality (breech presentation or twins).
◉ What is the function of the cervix just prior to ovulation?
Answer: Just prior to ovulation, it softens and secretes mucus
allowing sperm better access to and viability within the uterus.
◉ What are the three layers of the vaginal wall?
,Answer: An inner tissue layer, intermediate muscle layer and outer
tissue layer
◉ infundibulum
Answer: capture egg from ovary and sweep it into the oviduct by
fimbriae and cilia that line the oviducts
◉ isthmus
Answer: closest to the uterus, contractions move the egg to uterus
for implantation if fertilized or if not fertilized it will be moved into
uterine cavity for removal from the body during the menstrual cycle
◉ myometrium
Answer: middle, muscular layer of uterus, expands during
pregnancy to hold growing fetus, contracts during labor
◉ endometrium
Answer: inner layer of uterus, sheds monthly if female is not
pregnant
◉ body of uterus
Answer: receives fertilized egg and it becomes implanted into
endometrium in this region until birth
, ◉ Cervix
Answer: most posterior region, connects uterus to vaginal canal,
prior to ovulation it softens and secretes mucus to facilitate sperm
access to uterus, pregnancy-mucus plug develops to prevent bacteria
from entering uterus
◉ What is the function of the mucosal lining in the vaginal wall?
Answer: lies in folds and can extend which is important when the
vagina serves as the birth canal and it also facilitates intercourse.
◉ vaginal canal function
Answer: receives male penis during intercourse, outlet for menstrual
blood during menses, birth canal
◉ The _____ is a fat pad located in front of the pubic symphysis and is
covered with hair after puberty.
Answer: Mons pubis
◉ The _______is an outer fold of skin that is located posterior to the
mons pubis.
Answer: labia majora
◉ The urethral orifice is located ________ the vaginal orifice.
Answer: anterior to
