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Reproductive-Week 1/2 > Embryology > Flashcards

Embryology Flashcards

1
Q

Examples of the Female Internal Reproductive anatomy

A 
Ovaries
Fallopian tubes
Uterus
Cervix
Vagina
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2
Q

Examples of Female External Reproductive anatomy

A

Glans Clitoris
Labia Majora
Labia Minora

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3
Q

Female equivalent of the Penis

A

Glans Clitoris

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4
Q

External Genitalia are the same through Week ______

A

Labia Majora

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5
Q

External Female Reproductive structures are fully differentiated by week _____ of gestation

A

12

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6
Q

The (Mesonephric/Paramesonephric) duct will form the Male tubes

A

Mesonephric (Wolffian duct)

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7
Q

The (Mesonephric/Paramesonephric) duct will form the Female tubes

A

Paramesonephric (Mullerian duct)

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8
Q

Fancy name for the Mesonephric duct

A

Wolffian duct

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9
Q

Fancy name for the Paramesonephric duct

A

Mullerian duct

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10
Q

(Female/Male) is the default sex

A

Female

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11
Q

When does the Y chromosome begin to differentiate male organs and cause regression of Mullerian ducts

A

Week 8

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12
Q

2 Oviducts, a fused Uterus, Vagina and a Cloaca are formed by Week _____

A

10

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13
Q

What are the structures present in Week 10 of Female gestation

A

Oviducts
Uterus
Vagina
Cloaca

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14
Q

Failure of the fusion of the Mullerian ducts, leaving 2 completely separate Uteri with a common Vagina

A

Uterus Didelphys

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15
Q

Failure of the dissolution of the Septum separating the Mullerian Ducts; leaves a single Uterus, but with a thick septum dividing in half

A

Bicornuate Uterus

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16
Q

The agenesis of one Mullerian duct, leaving one misaligned Uterus

A

Unicornuate Uterus

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17
Q

Failure of BOTH Mullerian ducts to form; no uterus

A

Uterine Agenesis

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18
Q

The germ cells of the Ovaries migrate from the ___________ _______ to the ______________ ___________

A

Yolk Sac; Urogenital Ridge

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19
Q

The oocytes enter the (1st/2nd) meiotic division and STOP until ovulation

A

1st

20
Q

The Ovaries are pulled into the Pelvis via the __________________________, which will become the Ovarian and Round Ligament

A

Gubernaculum

21
Q

Ovarian arteries arise from the…

A

Aorta

22
Q

Ovarian veins drain into what? (Left vs. Right)

A

Left: Left Renal Vein
Right: IVC

*same for Testes

23
Q

Connects the Fetus to the Placenta; contains 1 vein and 2 arteries

A

Umbilical cord

24
Q

The Umbilical cord has (1/2) veins and (1/2) arteries

A

1 vein; 2 arteries

25
Q

Umbilical veins contain (oxygenated/deoxygenated) blood

A

Oxygenated

26
Q

Umbilical arteries contain (oxygenated/deoxygenated) blood

A

Deoxygenated

27
Q

Vascular bed formed by fetus that allows for the exchange of nutrients, gases and wastes between mom and fetus

A

Placenta

28
Q

Fetal and Maternal blood do NOT mix (True or False)

A

True (kept separate)

29
Q

What two membranes surround the fetus and the amniotic fluid within the Uterus

A

Amnion

Chorion

30
Q

The Amnion is (inside/outside) and the Chorion is (inside/outside)

A

Amnion–> inside

Chorion–> outside

31
Q

At Day _____ of gestation, we exist as a Blastocyst

A

4

32
Q

The outer ring of the Blastocyst that binds to the Uterus and forms the Placenta and Chorion is called the…

A

Trophoblast

33
Q

The inner swelling of the Blastocyst that eventually forms us is called the…

A

Inner Cell Mass

34
Q

Inner layer of the Uterus that the Blastocyst implants into

A

Endometrium

35
Q

What part of the Blastocyst forms the Placenta and Chorion

A

Trophoblast

36
Q

The Amnion forms from the Trophoblast (True or False)

A

False (forms around fetus/Inner Cell Mass)

37
Q

The (fetal/maternal) side of the Placenta is smooth, covered by Amnion and has the Umbilical cord

A

Fetal

38
Q

The (fetal/maternal) side of the Placenta is irregular and is composed of Cotyledons (vascular segments)

A

Maternal

39
Q

The Umbilical arteries and veins within the cord branch extensively to form the _______________ __________ and _____________ in the Placenta

A

Chorionic Plate and Villi

40
Q

Chorionic Villi are bathed in maternal blood within the ____________________ spaces

A

Intervillous

41
Q

Fraternal twins are (Mono/Di)zygotic

A

Dizygotic (separate fertilized eggs)

42
Q

Identical twins are (Mono/Di)zygotic

A

Monozygotic (1 fertilized egg that divides)

43
Q

(Fraternal/Identical) twins are more common

A

Fraternal (80%)

44
Q

The Zygosity of twins can be determined by whether or not they share the ____________ and/or ____________

A

Chorion; Amnion

45
Q

Dizygotic twins are ALWAYS Dichorionic and Diamniotic (True or False)

A

True (because were two separately fertilized eggs)

46
Q

Why are Monozygotic twins variable in regards to sharing a Chorion and Amnion

A

Depends on when they divided

47
Q

Most common congenital anomalies of the Female Reproductive system involve the….

A

Uterus (depending on Mullerian duct formation/agenesis)

Reproductive-Week 1/2 (14 decks)

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