Menstrual Cycle & Fertilization

Question 0

A gland that secretes follicle stimulating hormone and little leutenizing hormone into the bloodstream which causes follicle to begin to mature

Answer 0

Pituitary gland

Question 1

Part of the brain that realses the chemical messenger Follicle Stimulating Hormone Releasing Factor, which is sent to the pituitary gland

Answer 1

Hypothalamus

Question 2

Another hormone released by the maturing follicles

Answer 2

Estrogen

Question 3

Hormone that Causes the lining of the uterus to thicken and cervical mucous to change

Answer 3

Estrogen

Question 4

Triggers the one most mature follicle to burst open and release an egg

Answer 4

Leutenizing hormone

Question 5

Follicle burst open and release an egg

Answer 5

Ovulation

Question 6

Occurs when sperms are present

Answer 6

Fertilization

Question 7

Edometrium lining sheds causing..

Answer 7

Menstruation

Question 8

Layer closest to cell membrane, thick, transparent, non cellular

Answer 8

Zona pellucida

Question 9

Surrounding the zona pellucida, thicker coat, formed of radially elongated follicular cells.

Answer 9

Corona radiata

Question 10

Thin inner transparent layer, secreted by the ovum itself

Answer 10

Vitelline membrane

Question 11

Sperm undergoes removal of plasma membrane overlaying spermatozoa’s acrosomal area called..

Answer 11

Capacitation

Question 12

First 14 days of development is..

Answer 12

Pre embryonic stage

Question 13

Within 24 hrs after fertilization, zygote enter mitotic division dividing rapidly into many cells called…

Answer 13

Cleavage

Question 14

When zygote continues to divide it is called… Which passes slowly through the fallopian tube to the uterus

Answer 14

Morula

Question 15

Intracellular fluid in morula increases called..

Answer 15

Blastocycst

Question 16

Trophoblast develop into one of the embryonic membrane called…

Answer 16

Chorion

Question 17

Produced by the placenta, which prevents the ovaries from releasing the eggs, and stimulates the ovaries to produce estrogen and progesterone continuously after 12 days of conception

Answer 17

Human chorionic gonadotropin

Question 18

First and outer most membrane of the fetus

Answer 18

Chorion

Question 19

Second membrane of the fetus

Answer 19

Amnion

Question 20

Thin protective membrane that contains amniotic fluid, covers the the embyro and yolksac

Answer 20

Amnion

Question 21

Connects the developing fetal tissues to the uterine wall

Answer 21

Placenta

Question 22

Placenta approximately weighs..

Answer 22

500 grams

Question 23

On maternal side, these villious tree structures are grouped into lobules called..

Answer 23

Cotelydons

Question 24

Functions of placenta?

Answer 24

``` Nutrition Excretion Metabolic Endocrine Immune ```

Question 25

After implantation the endometrium is called as

Answer 25

Decidua

Question 26

Decidua that covers the blastocysts is called..

Answer 26

Decidua capsularis

Question 27

Portion under the implanted blostocysts is called..

Answer 27

Decidua basalis

Question 28

Portion lining rest of the uterine cavity is called..

Answer 28

Decidua vera / parietalis

Question 29

Surrounds the blood vessels in the umbilical cord

Answer 29

Warton's jelly

Question 30

Has 3 vessels two small artey and one large vein formed from the amnion

Answer 30

Umbilical cord

Question 31

Where does the egg wait for fertilization?

Answer 31

Ampulla portion

Question 32

How much sperms are deposited into the vagina?

Answer 32

200-300 million sperms

Question 33

An egg is viable for how many hours?

Answer 33

18-24 hours

Question 34

How long are sperms viable?

Answer 34

48-72 hours

Question 35

Enzymes of a sperm that can break down the ovum's corona radiata

Answer 35

Acrosomes

Question 36

This ovum layer undergoes a reaction once a sperm enters the ovum and prevent additional sperm entry

Answer 36

Zona pellucida

Question 37

How many days does the Zygote cell stay in the fallopian tube until morula forms?

Answer 37

3 days

Question 38

Zona pellucida is replaced by ______ between 7-10 days

Answer 38

Trophoblast

Question 39

Blastocyst develop into double layer of cell called embryonic disc, ehat are the layers called?

Answer 39

Embryo and amnion

Question 40

Functions of amniotic fluid?

Answer 40

``` Prevent mechanical injury Controls embryonic temperature Permit growth and development of embyro Allow free movement Prevent umbilical cord compression Fluid used for analysis for fetal health and maturity ```

Question 41

10-14th day blastocysts differentiate into:

Answer 41

Ectoderm, mesoderm, endoderm

Question 42

Where does the egg wait for fertilization?

Answer 42

Ampulla portion

Question 43

How much sperms are deposited into the vagina?

Answer 43

200-300 million sperms

Question 44

An egg is viable for how many hours?

Answer 44

18-24 hours

Question 45

How long are sperms viable?

Answer 45

48-72 hours

Question 46

Enzymes of a sperm that can break down the ovum's corona radiata

Answer 46

Acrosomes

Question 47

This ovum layer undergoes a reaction once a sperm enters the ovum and prevent additional sperm entry

Answer 47

Zona pellucida

Question 48

How many days does the Zygote cell stay in the fallopian tube until morula forms?

Answer 48

3 days

Question 49

Zona pellucida is replaced by ______ between 7-10 days

Answer 49

Trophoblast

Question 50

Blastocyst develop into double layer of cell called embryonic disc, ehat are the layers called?

Answer 50

Embryo and amnion

Question 51

Functions of amniotic fluid?

Answer 51

``` Prevent mechanical injury Controls embryonic temperature Permit growth and development of embyro Allow free movement Prevent umbilical cord compression Fluid used for analysis for fetal health and maturity ```

Question 52

10-14th day blastocysts differentiate into:

Answer 52

Ectoderm, mesoderm, endoderm