Study sets matching "newborn prenatal development birth"
Study sets
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Fertilization
Ovum
Ovulation
Gestational Age
The process by which a sperm penetrates an egg.
An unfertilized egg.
The release of a mature egg from an ovary.
The length of time since the conception of a developing organi…
Fertilization
The process by which a sperm penetrates an egg.
Ovum
An unfertilized egg.
zygote
embryo
fetus
age of viability
weeks 1-2
weeks 3-8; blastocyst embedded in uterine wall; body structure…
weeks 9-38; increase in size, body systems begin to function;…
22-28 weeks: baby is premature but can survive with around the…
zygote
weeks 1-2
embryo
weeks 3-8; blastocyst embedded in uterine wall; body structure…
conception
Why are more male embryos conceived tha…
zygote
Three periods of prenatal development
results from the union of two gametes... -specialized cell divisi…
-y chromosome sperm swim faster ... -male embryos are miscarried…
fertilized egg with full complement of human genetic material
-Germinal... -Embryonic... -Fetal
conception
results from the union of two gametes... -specialized cell divisi…
Why are more male embryos conceived tha…
-y chromosome sperm swim faster ... -male embryos are miscarried…
Prenatal development
Zygote
Blastocyst
Implantation
the changes that transform a fertilized egg into a newborn hum…
a fertilized egg
a hollow ball of 100 cells 4 days after fertilization
blastocyst burrows into the uterine wall and establishes conne…
Prenatal development
the changes that transform a fertilized egg into a newborn hum…
Zygote
a fertilized egg
When the ovum is fertilized by sperm in…
Where does implantation occur?
How long does the period of the zygote…
When do the placenta and umbilical cord…
Conception
In the uterus
2 weeks
At the end of the 2nd week
When the ovum is fertilized by sperm in…
Conception
Where does implantation occur?
In the uterus
ovum is viable for 1 day
zygote (2 wks)
embryo (6 wks)
Fetus (30 wks)
sperm is viable for up to 6 days
-fertilization ... -implantation ... -start of placenta
-groundwork laid for all body structures and internal organs
-Growth and finishing phase
ovum is viable for 1 day
sperm is viable for up to 6 days
zygote (2 wks)
-fertilization ... -implantation ... -start of placenta
implantation
amnion
chorion
umbilical cord
between the seventh and ninth days; the blastocyst burrows dee…
membranes that encloses the developing organism in amniotic fl…
surrounds the amnion; from the chronion, tiny hairlike villi;…
connects placenta to developing organism; first appears as a t…
implantation
between the seventh and ninth days; the blastocyst burrows dee…
amnion
membranes that encloses the developing organism in amniotic fl…
stages of childbirth
dilation and effacement of the cervix
delivery of the baby
placenta separates from uterine wall
-dilation and effacement of the cervix ... -delivery of baby ... -de…
-long stage of labor, last 12 to 14 hrs, or 4 to 6 with later…
- can last up to 50 minutes or 20 minutes
delivered in 5 to 10 minutes
stages of childbirth
-dilation and effacement of the cervix ... -delivery of baby ... -de…
dilation and effacement of the cervix
-long stage of labor, last 12 to 14 hrs, or 4 to 6 with later…
First trimester
Second Trimester
Third Trimester
Germinal period
1-12 weeks; primitive brain, spinal chord, and heart developme…
13-24 weeks; fetal movement felt... -most neurons develop by the…
25-38 weeks; cerebral cortex, temperament, can distinguish aud…
1) Zygote- as it moves down the fallopian tube, it duplicates…
First trimester
1-12 weeks; primitive brain, spinal chord, and heart developme…
Second Trimester
13-24 weeks; fetal movement felt... -most neurons develop by the…
Stage 1
Stage 2
Stage 3
Where does the birth take place
Dilation and effacement of the cervix; contractions are 15 to…
Pushing; baby's head starts to move through the cervix into th…
Delivery of the placenta
U.S. - 99% take place in the hospital and 1% in the home; othe…
Stage 1
Dilation and effacement of the cervix; contractions are 15 to…
Stage 2
Pushing; baby's head starts to move through the cervix into th…
Prenatal development
conception
Period of zygote
implatation
...
-period of zygote... -period of the embryo... -period of the fetus
-last 2 weeks... zygote: zygote move down the fallopian tube, dup…
- occurs between 7th and 9th day... -the blastocyst implant into…
Prenatal development
...
conception
-period of zygote... -period of the embryo... -period of the fetus
behavioural genetics
dominant trait
recessive trait
genotype
the study of the effects of heredity on behaviour and psycholo…
the one trait that is expressed when two competing traits are…
a trait within an organism that is present but is not expressed
genetic material that is not observable
behavioural genetics
the study of the effects of heredity on behaviour and psycholo…
dominant trait
the one trait that is expressed when two competing traits are…
Ovum
Sperm
Ovaries
Fallopian tubes
tiny sphere, measuring 1/175 inch in diameter
measures 1/500 inch... may live up to 6 days in women body
two walnut-sized organs located deep inside the abdomen (women…
Long, thin structures that lead to the hollow, soft-lined uter…
Ovum
tiny sphere, measuring 1/175 inch in diameter
Sperm
measures 1/500 inch... may live up to 6 days in women body
Where does the egg implant?
When does conception result?
How long is pregnancy?
How many zygotes don't survive?
Lining of the uterus
3 day window on the day of ovulation and the 2 days preceding…
38 weeks
30%
Where does the egg implant?
Lining of the uterus
When does conception result?
3 day window on the day of ovulation and the 2 days preceding…
Zygote
Blastocyst
Implantation
Germ Disc
Fertilized Egg. Implants self in wall of uterus
Zygote consists of 100 cells and resembles a hollow ball.
Blastocyst burrows into uterine wall, establishes connections…
Small cluster of cells near center of blastocyst. Eventually d…
Zygote
Fertilized Egg. Implants self in wall of uterus
Blastocyst
Zygote consists of 100 cells and resembles a hollow ball.
Fertilization
Ovum
Ovulation
Gestational Age
The process by which a sperm penetrates an egg
An unfertilized egg
The release of a mature egg from an ovary
The length of time since conception of a developing organism
Fertilization
The process by which a sperm penetrates an egg
Ovum
An unfertilized egg
Period of the Embryo
Sensitive Periods in Prenatal Developme…
Emotional Stress during pregnancy
Teratogens
Lasts from implantation through the 8th week of pregnancy... > Ar…
Each organ/structure has a sensitive period, during which its…
When women experience severe emotional stress during pregnancy…
Any environmental agent that causes damage during the prenatal…
Period of the Embryo
Lasts from implantation through the 8th week of pregnancy... > Ar…
Sensitive Periods in Prenatal Developme…
Each organ/structure has a sensitive period, during which its…
Ovaries
Fallopian Tubes
Corpus Luteum
Testes
Two walnut sized organs located deep inside the abdomen
Long, thin structures that lead to the hollow, soft-lined uter…
The spot on the ovary from which the ovum was released
Two glands located in the scrotum
Ovaries
Two walnut sized organs located deep inside the abdomen
Fallopian Tubes
Long, thin structures that lead to the hollow, soft-lined uter…
Corpus Luteum
True or False: fertilization takes plac…
Zygotic Phase
Placenta
- Lining that supports the beginning stages of the fertilized…
True: During intercourse sperm enter the uterus and swim to th…
- fertilized egg (2 weeks)... - key events = implantation & devel…
- Another organ developed once zygote is formed ... - How the bab…
Corpus Luteum
- Lining that supports the beginning stages of the fertilized…
True or False: fertilization takes plac…
True: During intercourse sperm enter the uterus and swim to th…
Stages of childbirth(3)
Baby's adaptation to labor/delivery
The apgar scale(4)... /10
Birth complications
1)Dilatation and effacement of cervix (contraction)... →4-14hour…
→High level od stress hormones:... -Help baby whistand oxygen dep…
→ assessment done at 1 and 5 min... →determining abt how the bby…
→Anoxia: umbilical cord around bbys neck... →Breech position: Hea…
Stages of childbirth(3)
1)Dilatation and effacement of cervix (contraction)... →4-14hour…
Baby's adaptation to labor/delivery
→High level od stress hormones:... -Help baby whistand oxygen dep…
zygote
embryo
implantation
placenta
one celled, multiplies and forms blastocytes. The blastocyte b…
This period lasts 2-8 weeks. A primitive brain and spinal cord…
between the 7th and 9th days, this occurs, in which the blasto…
permits food and oxygen to reach the organism and waste produc…
zygote
one celled, multiplies and forms blastocytes. The blastocyte b…
embryo
This period lasts 2-8 weeks. A primitive brain and spinal cord…
Prenatal Development: Phases
The Period of the Zygote
Implantation
Trophoblast
1. The Period of the Zygote... 2. The Period of the Embryo... 3. The…
1. Implantation... 2. The Placenta & Umbilical Cord
The blastocyst burrows deep into the uterine lining.
Protective outer layer that multiplies fast & develops protect…
Prenatal Development: Phases
1. The Period of the Zygote... 2. The Period of the Embryo... 3. The…
The Period of the Zygote
1. Implantation... 2. The Placenta & Umbilical Cord
Zygote (2 weeks)
Embryo (6 weeks)
Fetus
Third month
Fertilization, Implantation, Start of placenta
Groundwork laid for all body structures and internal organs
"Growth and finishing" phase
organs, muscles, and nervous system start to become organized…
Zygote (2 weeks)
Fertilization, Implantation, Start of placenta
Embryo (6 weeks)
Groundwork laid for all body structures and internal organs
Prenatal development
Zygote
Blastocyst
Implantation
The changes that transform a fertilized egg into a newborn hum…
The fertilized egg, which implants itself in the wall of the u…
The term for the zygote after about four days, when it compris…
The blastocyst burrows into the uterine wall and establishes c…
Prenatal development
The changes that transform a fertilized egg into a newborn hum…
Zygote
The fertilized egg, which implants itself in the wall of the u…