[3] PRELIMS | A&P OF FEMALE REPRODUCTIVE SYSTEM Flashcards
External Genital Organs (Vulva)
A softly rounded mound of subcutaneous fatty tissue beginning at the lowest portion of the anterior abdominal wall. Covers the front portion of the symphysis pubis.
Mons Pubis
External Genital Organs (Vulva)
Are longitudinal, raised folds of pigmented skin, one on either side of the vulvar cleft.
Labia Majora
External Genital Organs (Vulva)
Are soft folds of skin within the labia majora that converge near the anus, forming the fourchette
Labia Minora
External Genital Organs (Vulva)
A boat-shaped depression enclosed by the labia majora and visible when they are separate, containing the vaginal opening
Vestibule
External Genital Organs (Vulva)
The border between the external and internal genitalia
Introitus (Vaginal Opening)
External Genital Organs (Vulva)
Is located 1–2.5cm beneath the clitoris in the midline of the vestibule; it often appears as a puckered, slitlike opening
Urethral Meatus
External Genital Organs (Vulva)
The urethral meatus is located ____ beneath the ____
1-2.5cm beneath the clitoris
External Genital Organs (Vulva)
At times, the meatus is difficult to visualize because of the presence of ____, small ____, or ____
blind dimples, mucosal folds, wide variations in location
External Genital Organs (Vulva)
Open into the posterior wall of the urethra close to its opening. Their secretions lubricate the vaginal opening, facilitating sexual intercourse
Paraurethral Glands (Skene’s Glands)
External Genital Organs (Vulva)
A thin, elastic collar or semi-collar of tissue that surrounds the vaginal opening
Hymen
Female Reproductive System
Is a muscular and membranous tube that connects the external genitalia with the uterus
Vagina
Female Reproductive System
The vagina extends from the (1) ____ in a position nearly parallel to the plane of the (2) ____
(1) vulva to the uterus
(2) pelvic brim
Female Reproductive System
The vagina is often called the ____ because it forms the lower part of the pelvis through which the fetus must pass during birth
birth canal
Female Reproductive System
Is a hollow, muscular, thick-walled organ shaped like an upside-down pear
Uterus
Female Reproductive System
The uterus lies in the (1) ____ between the base of the (2) ____ and the ____ and above the (3) ____
(1) center of the pelvic cavity
(2) bladder and the rectum
(3) vagina
Female Reproductive System
The uterus of the mature woman weighs about (1) ____ and is (2) ____ long
(1) 40-70g
(2) 6-8cm
Female Reproductive System
The narrow neck of the uterus that provides a protective entrance for the body of the uterus
Cervix
Female Reproductive System
Canal-like, the cervix meets the body of the uterus at the (1) ____ and descends about (2) ____ to connect with the vagina at the (3) ____
(1) internal os
(2) 2.5cm
(3) external os
Female Reproductive System
Arise from each side of the uterus and reach almost to the sides of the pelvis, where they turn toward the ovaries
Fallopian Tubes
Female Reproductive System
The fallopian tubes can also be called ____ or ____
oviducts or uterine tubes
Female Reproductive System
Each fallopian tube is approximately ____ long
8 to 13.5cm
Female Reproductive System
Each fallopian tube may be divided into three parts: the (1) ____, the (2) ____, and the (3) ____
(1) isthmus
(2) ampulla
(3) infundibulum or fimbria
Female Reproductive System
Two almond-shaped structures just below the pelvic brim, each located on each side of the pelvic cavity
Ovaries
Female Reproductive System
Their size varies among women and with the stage of the menstrual cycle. Each ovary weighs approximately (1) ____ and is (2) ____ wide, (3) ____ long and (4) ____ thick
(1) 6-10g
(2) 1.5-3cm
(3) 2-5cm
(4) 1-1.5cm
The Bony Pelvis
The female bony pelvis has two unique functions:
* To (1) ____
* To form the (2) ____
(1) support and protect the pelvic contents
(2) relatively fixed axis of the birth passage
Bony Structures
The pelvis is made up of four bones: (1) ____, the (2) ____, and the (3) ____
(1) two innominate bones
(2) sacrum
(3) coccyx
Bony Structures
The pelvis resembles a bowl or basin; its sides are the (1) ____, and its back is the (2) ____
(1) innominate bones
(2) sacrum and coccyx
Bony Structures
Lined with fibrocartilage and held tightly together by ligaments, the four bones join at the (1) ____, the two (2) ____ and the (3) ____
(1) symphysis pubis
(2) sacroiliac joints
(3) sacrococcygeal joints
Bony Structures
The innominate bones / Hip bones are made up of 3 separate bones:
1. ____
2. ____
3. ____
- Ilium
- Ischium
- Pubis
Bony Structures
The ilium, ischium and pubis fuse to form a circular cavity, the ____ which articulates with the femur.
acetabulum
The Innominate Bones
Is the broad, upper prominence of the hip
Ilium
The Innominate Bones
The margin of the ilium
Iliac Crest
The Innominate Bones
The anterior terminal point of the iliac crest
ANTERIOR SUPERIOR ILIAC SPINE
The Innominate Bones
The anterior lower point in the iliac crest
ANTERIOR INFERIOR ILIAC SPINE
The Innominate Bones
The posterior terminal point of the iliac crest
POSTERIOR SUPERIOR ILIAC CREST
The Innominate Bones
The concave anterior portion
ILIAC FOSSA
The Innominate Bones
An imaginary line or ridge which divides the false from the true pelvis
ILIOPECTINEAL LINE OR LINEA TERMINALIS
The Innominate Bones
The strongest bone, is under the ilium and below the acetabulum
ISCHIUM
The Innominate Bones
Where the weight of the seated body rests
ISCHIAL TUBEROSITY
The Innominate Bones
Serve as reference points during labor
ISCHIAL SPINES
The Innominate Bones
The shortest diameter of the pelvic cavity is between the ____
ischial spines
Clinical Significance of Ischial Spines
Somewhat encroached on the pelvic cavity, so if they are too prominent, they may offer ____
some degree of obstruction to the passage of the baby
Clinical Significance of Ischial Spines
Serves as a useful landmark when making a vaginal examination to assess the progress of ____ (determining the “station”)
descent of the fetal presenting part
The Innominate Bones
Forms the slightly bowed front portion of the innominate bone
PUBIS
The Innominate Bones
Point of union of the two pubic bones at the anterior midline
SYMPHYSIS PUBIS
The Innominate Bones
The triangular space below the junction of the symphysis pubis
PUBIC ARCH
Clinical Signifiance of the Pubis
If the angle formed is (1) ____ , it is very possible that the ischial spines are too close to one another resulting in a (2) ____
(1) acute
(2) narrow pelvic cavity
Is a wedge-shaped bone formed by the fusion of five vertebrae
SACRUM
A projection into the pelvic cavity on the anterior upper portion
SACRAL PROMONTORY
Sacral Promontory
This projection is another obstetric guide in determining ____
pelvic measurements
The small triangular bone last on the vertebral column
COCCYX
Point of coccygeal and sacral articulation
SACROCOCCYGEAL JOINT
Clinical Significance of the Coccyx
The coccyx usually moves (1) ____ during labor to provide (2) ____
(1) backward
(2) more room for the fetus
The Pelvic Joints
The points of union between the sacrum and the ilium
RIGHT AND LEFT SACROILIAC JOINTS
The Pelvic Joints
Between the sacrum and the coccyx
SACROCOCCYGEAL JOINT
The Pelvic Joints
The junction of the two pubic bones which are united by a pad of cartilage
SYMPHYSIS PUBIS
Clinical Significance of the Pelvic Joints
In pre-pregnant sate, there is very little movement in these joints but during pregnancy, due to influence of hormone (1) ____, softening and stretching of ligaments at the joints occur so that in minor degrees of disproportion between the fetal head and the pelvis, additional space may be provided by stretching of ligaments and wider separation of bones and joints
(1) relaxin
The Pelvic Ligaments
Between the sacrum and the ischial tuberosities; one on each side
SACROTUBEROUS LIGAMENTS
The Pelvic Ligaments
The strongest in the whole body; connects the sacrum to the iliac bones on each side
SACROILIAC LIGAMENTS
The Pelvic Ligaments
Between the sacrum and the ischial spines one on each side
SACROSPINOUS LIGAMENTS
The Pelvic Ligaments
Strengthens the symphysis pubis
INTERPUBIC LIGAMENTS
The Pelvic Ligaments
Between the 5th sacral vertebrae and the coccyx
SACROCOCCYGEAL LIGAMENTS
It acts as a buttress or support to the irregularly shaped pelvic outlet, thereby providing stability and support for surrounding structures
Pelvic Floor
The pelvic floor of the bony pelvis is designed to overcome the ____
force of gravity exerted on the pelvic organs
The Pelvic Floor
The (1) ____, the ____, and ____ form the part of the pelvic floor known as the (2) ____
(1) deep fascia, the levator ani, and coccygeal muscles
(2) pelvic diaphragm
The Pelvic Floor
Above the pelvic diaphragm is the (1) ____; below and behind it is the (2) ____
(1) pelvic cavity
(2) perineum
The Pelvic Floor
Makes up the major portions of the pelvic diaphragm and consists of four muscles: the iliococcygeus, pubococcygeus, puborectalis, and pubovaginalis
Levator Ani
The Pelvic Floor
A thin muscular sheet underlying the sacrospinous ligament that helps the levator ani support the pelvic organs
Iliococcygeal Muscle
The Pelvic Divisions
The portion above the pelvic brim that serves to support the weight of the enlarged pregnant uterus and direct the presenting fetal part into the true pelvis
False Pelvis (Linea Terminalis)
False Pelvis
The portion above the pelvic brim:
* Supports the weight of the (1) ____
* Directs the (2) ____
(1) enlarged pregnant uterus
(2) presenting fetal part into the true pelvis
The Pelvic Divisions
Made up of the sacrum, coccyx, and innominate bones and represents the bony limits of the birth canal
True Pelvis
Clinical Significance of the True Pelvis
The size and shape of the (1) ____ must be adequate for (2) ____ during labor and at birth
(1) true pelvis
(2) normal fetal passage
True Pelvis
The true pelvis consists of three parts:
1. ____
2. ____
3. ____
- Pelvic Inlet
- Pelvic Cavity
- Pelvic Outlet
Is the upper border of the true pelvis and is typically rounded. Its size and shape are determined by assessing three anteroposterior diameter
PELVIC INLET
The Pelvic Inlet
Extends from the subpubic angle to the middle of the sacral promontory and is typically 12.5cm
Diagonal Conjugate
The Pelvic Inlet
The diagonal conjugate extends from the subpubic angle to the middle of the sacral promontory and is typically ____
12.5cm
The Pelvic Inlet
The ____ can be measured manually during a pelvic examination
Diagonal Conjugate
The Pelvic Inlet
Extends from the middle of the sacral promontory to an area approximately 1cm below the crest
Obstetric Conjugate
The Pelvic Inlet
The obstetric conjugate extends from the middle of the sacral promontory to an area approximately ____ the crest
1cm below
The Pelvic Inlet
The fetus passes through the (1) ____, and the size of this diameter determines whether the fetus can move down into the birth canal in order for (2) ____ to occur
(1) obstetric conjugate
(2) engagement
The Pelvic Inlet
The obstetric conjugate is considered the ____ through which the head must pass descending to the pelvic inlet
shortest anteroposterior diameter
The Pelvic Inlet
It cannot be measured directly with the examining fingers
Obstetric Conjugate
The Pelvic Inlet
For clinical purposes, the obstetric conjugate is estimated indirectly by subtracting (1) ____ from the diagonal conjugate; meaning, its measurement would be (2) ____
(1) 1.5-2cm
(2) 10.5-11cm
The Pelvic Inlet
The true conjugate measures up to ____
11 cm
The Pelvic Inlet
Extends from the middle of the sacral promontory to the middle of the pubic crest (superior surface of the symphysis).
True Conjugate
The Pelvic Inlet
Helps determine the shape of the inlet
Transverse Diameter
The Pelvic Inlet
The transverse diameter is the (1) ____ of the inlet and is measured by using the (2) ____ as the point of reference
(1) largest diameter
(2) linea terminalis
The Pelvic Inlet
The transverse diameter measures up to ____
13.5 cm
The Pelvic Inlet
The distance between the right sacroiliac joint
and the left ileopectineal eminence
Right Oblique Diameter
The Pelvic Inlet
The distance between the left sacroiliac joint
and the right ileopectineal eminence
Left Oblique Diameter
The Pelvic Inlet
Both the right and left oblique diameter measures up to ____
12.5 cm
A curved canal with a longer posterior than anterior wall
The Pelvic Cavity
Situated at the lower border of the true pelvis
Pelvic Outlet
The size of the pelvic outlet can be determined through the assessment of the ____
transverse diameter
The Pelvic Outlet
The transverse diameter can also be called the (1) ____ or the (2) ____
(1) Bi-ischial Diameter
(2) Intertuberous Diameter
The Pelvic Outlet
The diameter between the ischial spines
Interspinous Diameter
The Pelvic Outlet
The interspinous diameter can measure up to ____
10.5 cm
The Pelvic Outlet
Has great importance because the fetus must pass under it during birth
Pubic Arch
The Pelvic Outlet
If the pubic arch narrows, the baby’s head may be pushed backward towards the (1) ____, making (2) ____ difficult
(1) coccyx
(2) extension of the head
The Pelvic Outlet
The situation where the baby’s head is pushed backward towards the coccyx, thus making extension of the head difficult
Outlet Dystocia
may require forceps or cesarean birth
The Pelvic Outlet
The ____ of a large baby may also become wedged under the pubic arch, making birth more difficult
shoulders
4 Types of Pelvis
Most common female pelvis (50%)
Gynecoid Pelvis
4 Types of Pelvis - Gynecoid Pelvis
- Inlet is (1) ____, with the AP diameter a (2) ____ than the T diameter
- (3) ____ is broad, deep, and roomy, and the (4) ____ is well rounded
- Has a (5) ____ pubic arch
(1) rounded
(2) little shorter
(3) Posterior segment
(4) anterior segment
(5) wide and round
4 Types of Pelvis
Normal male pelvis
Android Pelvis
4 Types of Pelvis - Android Pelvis (P1)
- Inlet is (1) ____ shaped
- AP and T diameters adequate for (2) ____
- (3) ____ is too short, and the (4) ____ is long
- (5) ____ has prominent ischial spines, convergent sidewalls, and a long, heavy (6) ____ inclining forward
(1) heart
(2) birth
(3) Posterior sagittal diameters
(4) anterior sagittal diameter
(5) Midpelvis
(6) sacrum
4 Types of Pelvis - Android Pelvis (P2)
- Android outlet has a (1) ____ pubic arch
- AP diameter is (2) ____, T diameter is (3) ____
- Approximately (4) ____ of female pelvis
- (5) ____ is frequent, requiring difficult forceps manipulation
- Prone to extensive (6) ____
(1) narrow, sharp, and deep
(2) short
(3) narrow
(4) 20%
(5) Arrest of labor
(6) perineal laceration
4 Types of Pelvis
Approximately 25% of female pelvis
Anthropoid Pelvis
4 Types of Pelvis - Anthropoid Pelvis
- Inlet is (1) ____
- (2) ____ AP diameter, ____ T diameter
- Posterior and anterior segments are (3) ____
- Posterior and anterior sagittal diameters are (4) ____
- (5) ____ ischial spines, ____ side walls, and a ____ sacrum
- Outlet has a (6) ____ pubic arch
(1) oval
(2) Long / short
(3) deep
(4) extremely long
(5) Variable / straight / narrow and long
(6) normal or moderately narrow
4 Types of Pelvis
Only 5% of female pelvis
Platypelloid Pelvis
4 Types of Pelvis - Platypelloid Pelvis
- Refers to the (1) ____
- Inlet is a distinctly (2) ____
- (3) ____ AP and ____ T diameter
- (4) ____ posterior & anterior sagittal diameters
- Has (5) ____ ischial spines, ____ side walls, and a ____ sacrum with a ____
- Outlet has an (6) ____ pubic arch
(1) flat female pelvis
(2) transverse oval
(3) Short / extremely short
(4) Short
(5) variable / parallel / wide / deep curve inward
(6) extremely wide
Female Hormones
- Contributes to “femaleness”
- Controls the development of the female secondary sex characteristics
Estrogen
Female Hormones
3 classical estrogens:
1. ____
2. ____
3. ____
- Estrone
- B-Estradiol
- Estriol
Female Hormones
Estrogen controls the development of the female secondary sex characteristics:
* (1) ____
* (2) ____
* (3) ____
(1) Breast development
(2) Widening of the hips
(3) Deposits of tissue (fat) in the buttocks and mons pubis
Female Hormones
Estrogens also assist in the (1) ____ and cause the (2) ____ to proliferate following menstruation
(1) maturation of the ovarian follicles
(2) endometrial mucosa
Female Hormones
The amount of estrogens is greatest during the ____ phase of the menstrual cycle
proliferative (follicular or estrogenic)
Female Hormones
- Estrogens also cause the (1) ____ to increase in size and weight because of increased glycogen, amino acids, electrolytes, and water
- (2) ____ is expanded as well
(1) uterus
(2) Blood supply
Female Hormones
Under the influence of estrogens, (1) ____ increases in both uterus and the fallopian tubes, and uterine sensitivity to (2) ____ increases
(1) myometrial contractility
(2) oxytocin
Female Hormones
Estrogens inhibit (1) ____ production and stimulate (2) ____ production
(1) FSH
(2) LH
Female Hormones
- Secreted by the corpus luteum
- Hormone of pregnancy
Progesterone
Female Hormones - Progesterone
- Found in greatest amounts during the (1) ____ phase of the menstrual cycle
- Decreases (2) ____ caused by estrogens
- Causes the (3) ____ to further increase its supply of nutrients
- Prepares the (4) ____ for ____
(1) secretory (luteal or progestational)
(2) uterine motility and contractility
(3) endometrium
(4) breast / lactation
Female Hormones
Are oxygenated fatty acids that are produced by the cells of the endometrium and are also classified as hormones
Prostaglandins (PGs)
Female Hormones - Prostaglandins
- (1) ____ – relaxes smooth muscles & potent vasodilator
- (2) ____ – potent vasoconstrictor; increases muscular and arterial contractility
- Critical to the (3) ____, thereby releasing the ____
(1) PGE
(2) PGF
(3) rupture of the graafian follicle / mature egg cell
Neurohormonal Basis
Organs that play a great part:
1. ____
2. ____
3. ____
4. ____
- Hypothalamus
- Anterior Pituitary Gland
- Ovaries
- Uterus
Ovarian Cycle
- Has two phases:
1. ____
2. ____
- Follicular Phase (1-14)
- Luteal Phase (15-28)
total of 28 days
Ovarian Cycle
In women whose menstrual cycle varies, usually only the length of the (1) ____ varies, because the (2) ____ is of fixed length
(1) follicular phase
(2) luteal phase
Ovarian Cycle - Follicular Phase
- The (1) ____ matures as a result of ____
- The (2) ____ appears on about the ____ under dual control of ____
(1) immature follicle / FSH
(2) mature graafian follicle / 14th day / FSH and LH
Ovarian Cycle - Follicular Phase
The mature graafian follicle is a large structure, measuring about (1) ____. The mature follicle produces increasing amounts of (2) ____
(1) 5-10mm
(2) estrogen
Ovarian Cycle - Follicular Phase
Support cells that help in the maturation of oocyte
Cumulus Oophorus
Ovarian Cycle - Follicular Phase
Thick elastic capsule develops around oocyte
Zona Pellucida
Ovarian Cycle - Follicular Phase
Just before ovulation, the mature oocyte completes its first (1) ____, yielding a:
* (2) ____: a small cell
* (3) ____: which matures into an ovum
(1) meiotic division
(2) Polar body
(3) Secondary oocyte
Ovarian Cycle - Follicular Phase
- As the graafian follicle matures and enlarges, it comes close to the (1) ____
- The ovum is discharged near the (2) ____ and is pulled into it
(1) surface of the ovary
(2) fimbria of the fallopian tube
Ovarian Cycle - Follicular Phase
- (1) ____: mid-cycle pain (for some)
- Body temperature increases about (2) ____, 24-48 hours after ovulation
- The ovum takes several minutes to travel through the (3) ____ to the fallopian tube opening
(1) Mittelschmerz
(2) 0.3-0.6 °C
(3) ruptured follicle
Ovarian Cycle - Follicular Phase
Mittelschmerz (mid-cyle pain) may be caused by a (1) ____ or by a (2) ____ to the expelling of the (3) ____
(1) thick tunica albuginea
(2) local peritoneal reaction
(3) follicular contents
Ovarian Cycle - Follicular Phase
(1) ____ may increase during ovulation, and a small amount of blood or (2) ____ may be discharged as well
(1) Vaginal discharge
(2) midcycle spotting
Ovarian Cycle - Luteal Phase
- Begins when the (1) ____
- (2) ____ develops from the ruptured follicle
- If the ovum is fertilized and implants in the (3) ____, the fertilized egg begins to secrete ____
- If fertilization does not occur, within about a week after ovulation, the (4) ____
(1) ovum leaves its follicle
(2) Corpus luteum
(3) endometrium / hCG
(4) corpus luteum begins to degenerate into corpus albicans
Ovarian Cycle - Luteal Phase
- The ovum is thought to be fertile for only (1) ____. It reaches the uterus ____ after its release from the ovary
- Under the influence of (2) ____, the corpus luteum develops from the ruptured follicle
- Within (3) ____, the corpus luteum becomes yellowish and spherical and increase in vascularity
(1) 12-24 hours / 72-96 hours
(2) LH
(3) 2 or 3 days
Ovarian Cycle - Luteal Phase
- With degeneration of the corpus luteum to corpus albicans comes a decrease in (1) ____
- This allows for an increase in (2) ____, which trigger the (3) ____
(1) estrogen and progesterone
(2) LH and FSH
(3) hypothalamus
Is an episodic uterine bleeding in response to cyclic hormonal changes
Menstruation
Menstrual Cycle
The process that allows for ____
conception and implantation of a new life
Menstrual Cycle - Clinical Aspects
- Average Length of Cycle: ____
- Average Length of Menses: ____
- Age of Onset: ____
- Average Length of Cycle: 28 days (range: 23-35 days)
- Average Length of Menses: 4-6 days (range: 2-9 days)
- Age of Onset: 11-13 years old
Menstrual Cycle - Clinical Aspects
- Characteristics of discharge: (1) ____ color & has a ____ odor due to the decomposition of blood elements & a mixture of increase secretion of (2) ____
(1) dark, reddish / musty
(2) vulvar sebaceous gland.
Menstrual Cycle - Clinical Aspects
- Amount of blood loss – (1) ____
- Amount of iron loss – (2) ____
(1) 30-80mL
(2) 0.5-1mg daily
Menstrual Cycle - Symptoms
- Sensation of heaviness & weight in the (1) ____, ____ & ____
- Slight nervous irritability – feeling of (2) ____
- (3) ____ & ____ irritability
- Changes in body weight – (4) ____ shortly before the onset of menstruation w/c they lose promptly as menstruation begins
(1) pelvic region, mild backache & cramping
(2) tenderness and anxiety
(3) Bladder & GIT
(4) 1 to 3 lbs.
Menstrual Cycle
Days 1 – 7 with an average of at least 5 days in the menstrual cycle
Menstrual Phase
Menstrual Cycle - Menstrual Phase
The following products are discharged from the uterus during menstrual flow or menses:
* (1) ____ from the ruptured capillaries
* (2) ____ from the glands
* Fragments of (3) ____
* (4) ____
(1) Blood
(2) Mucin
(3) endometrial tissue
(4) Microscopic, atrophied, and unfertilized ovum
Menstrual Cycle
Days 8-14 of the menstrual cycle
Proliferative Phase
Menstrual Cycle - Proliferative Phase
- (1) ____ peaks just prior to ovulation,
- Cervical mucus at ovulation is (2) ____; and has ____ greater than 5cm
- Body temperature may (3) ____, then ____ at ovulation and remains elevated under influence of (4) ____
(1) Estrogen
(2) clear, thin, watery, alkaline, shows ferning pattern / spinnbarkeit
(3) drop slightly then rises sharply
(4) progesterone
Menstrual Cycle - Proliferative Phase
- As ovulation becomes near, the cervical mucus increases its elasticity called (1) ____ that is clear, slippery and looks like raw egg white
- Its stretchy quality makes it easier for the (2) ____
(1) Spinnbarkeit
(2) sperm to penetrate
Menstrual Cycle
Days 15-26 of the menstrual cycle
Secretory Phase
Menstrual Cycle - Secretory Phase
- (1) ____ drops sharply, and ____ dominates
- Uterine endometrium becomes (2) ____ in appearance and dilated with quantities of ____
- The capillaries of the endometrium increase in amount until the lining takes on the appearance of (3) ____
(1) Estrogen / progesterone
(2) corkscrew or twisted / glycogen and mucin
(3) rich, spongy velvet
Menstrual Cycle - Secretory Phase
- (1) ____ secrete small quantities of endometrial fluid in preparation for a fertilized ovum.
- If implantation takes place, endometrium continuous to develop and becomes (2) ____
(1) Glandular epithelial cells
(2) even more thicker creating a vascularized bed
Menstrual Cyle
Days 27-28 of the menstrual cycle
Ischemic Phase
Menstrual Cycle - Ischemic Phase
- Both (1) ____ and ____ levels drop.
- If fertilization does not occur, the (2) ____ in the ovary begins to regress.
- The (3) ____ of the uterus begins to degenerate.
- The capillaries (4) ____, and the endometrium (5) ____
(1) estrogen and progesterone
(2) corpus luteum
(3) endometrium
(4) rupture with minute hemorrhages
(5) sloughs off
Changes in the Cervix
During the first half of the cycle:
* Cervical mucus is (1) ____
* Sperm survival is (2) ____
(1) thick and scant
(2) poor
Changes in the Cervix
At the time of the ovulation:
* Cervical mucus becomes (1) ____
* Sperm (2) ____
(1) thin and copious
(2) penetration and survival is excellent
Changes in the Cervix
During the second half of the cycle
* Cervical mucus becomes (1) ____ and sperm (2) ____
(1) thick
(2) survival is again poor