Chapter 3 prenatal

Question 1

Germinal stage

Answer 1

The period of development between conception and the
implantation of the embryo

Question 2

Blastocyst

Answer 2

A stage within the germinal period of prenatal
development in which the zygote has the form of a sphere of cells surrounding a cavity of fluid

Question 3

Embryonic disk

Answer 3

Ectoderm (outer layer) develops into nervous system, sensory organs, nails, hair, teeth, and outer layer of sin. Endoderm (inner layer) forms the digestive and respiratory systems, liver, and pancreas.Mesoderm (middle layer) develops into the excretory, reproductive and circulatory system, muscles, skeleton, and inner layer of skin.

Question 4

Trophoblast

Answer 4

The outer part of the blastocyst from which the amniotic sac, placenta and umbilical cord develop

Question 5

Embryonic Stage

Answer 5

5-10 weeks stage. Major organs develop using two different developmental patterns. First is Cephalocaudal which occurs from your head to toes. The second is proximodistal which occurs from the center of your body(i.e. Heart and lungs develop first) to out.

Question 6

Fetal Stage

Answer 6

The end of the trimester major organ system formed, fingers and toes formed,eyes can be distinguished, sex of the fetus can be determined visually.

Question 7

Umbilical Cord

Answer 7

A flexible cordlike structure containing blood vessels attaching a human or other mammalian fetus to placenta during gestation

Question 8

Placenta

Answer 8

A disc of tissue that connects the mother’s uterus to the umbilical cord. Responsible for delivering nutrients and oxygen to the fetus

Question 9

Cephalocaudal

Answer 9

head takes precedence over lower parts of the body

Question 10

Proximodistal

Answer 10

The center of your body out. All organs in the center develop first. (heart,lungs)

Question 11

Ectoderm

Answer 11

the outermost layer of cells or tissues of an embryo in early development, or the parts derived from this, which include the epidermis and nerve tissue

Question 12

Neural Tube

Answer 12

develops into brain/ spinal cord

Question 13

Mesoderm

Answer 13

middle layer develops into the excretory, reproductive and circulatory system muscles, skeleton, and inner layers of skin

Question 14

Endoderm

Answer 14

The inner layer of the embryo from which the lungs and digestive system develop.

Question 15

Androgens

Answer 15

Male sex hormones

Question 16

Testosterone

Answer 16

A steroid hormone in males

Question 17

Amniotic Sac

Answer 17

fluid filled sac that contains and protects the fetus in the womb

Question 18

Amniotic Fluid

Answer 18

the fluid surrounding a fetus within an amnion

Question 19

Stillbirth

Answer 19

A fetus that is born already dead, having died before or during the delivery

Question 20

Fetal Stage

Answer 20

One of the stages that occurs during pregnancy. Begins at the third month and lasts until birth

Question 21

Teratogens

Answer 21

Any substance a pregnant women consumes that may cause harm to the fetus

Question 22

Critical Period

Answer 22

a period during someone’s development in which a particular skill or characteristic is believed to be most readily acquired

Question 23

Congenital

Answer 23

An often-inherited medical condition that occurs at or before birth

Question 24

HIV/AIDS

Answer 24

Disables the body’s immune system(human immunodeficiency virus/acquired immunodeficiency syndrome)

Question 25

Rubella

Answer 25

Viral infection may cause birth defects (German Measles)

Question 26

Pre-eclampsia

Answer 26

A life-threatening disease and is characterized by high blood pressure. It can afflict women who are late in the second or early in the third trimester and can result in premature babies. It’s also the cause for pregnancy-related maternal deaths.

Question 27

Premature

Answer 27

Occurring or done before the usual or proper time…too early

Question 28

Thalidomide

Answer 28

A prescribed drug linked to birth defects, especially deformed or absent limbs. It was marketed as a treatment for insomnia and nausea and can treat disorders, it’s for people who are not pregnant.

Question 29

Progestin

Answer 29

hormone that helps you maintain your pregnancy

Question 30

DES

Answer 30

Abbreviation for diethylstilbestrol, an estrogen that was given to many women in the 1940s-1950s to help prevent miscarriages, and has been linked to cancer in the reproductive organs of children of women who used it when pregnant

Question 31

Fetal Alcohol Syndrome FAS

Answer 31

A condition that results in the child’s mental and physical defects due to mother’s alcohol consumption during the pregnancy. (Basically bigger effect then fae)

Question 32

Fetal Alcohol Effect FAE

Answer 32

A cluster of symptoms, less severe than those of fetal alcohol syndrome, shown by children of women who drank moderately during pregnancy.