Study sets matching "newborn prenatal development birth"
Study sets
Diagrams
Classes
Users
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…
What are the 3 periods from conception…
How does the period of the zygote begin…
What happens during the period of the e…
where does the embryo rest
Period of the Zygote (1-2 weeks)... Period of the Embryo (3-8 wee…
begins when egg is fertilized in the fallopian tube... -rapid ce…
body structures and internal organs formed
amniotic sac filled with amniotic fluid
What are the 3 periods from conception…
Period of the Zygote (1-2 weeks)... Period of the Embryo (3-8 wee…
How does the period of the zygote begin…
begins when egg is fertilized in the fallopian tube... -rapid ce…
Prenatal development
Period of the zygote
Blastocyst
Germ disc
The changes that transform a fertilized egg into a newborn hum…
Period of prenatal development that begins with fertilization,…
A zygote that contains about 100 cells, after 4 days, resemble…
Cluster of cells near the centre of the blastocyst that eventu…
Prenatal development
The changes that transform a fertilized egg into a newborn hum…
Period of the zygote
Period of prenatal development that begins with fertilization,…
The fertilized egg implants in the wall…
Differentiation of cells begins in the…
The developing organism becomes much la…
General risk factors during the prenata…
zygote
embryo
fetus
maternal age
The fertilized egg implants in the wall…
zygote
Differentiation of cells begins in the…
embryo
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
How long does prenatal development last?
What are the 3 stages of prenatal devel…
How long does the zygote stage last?
All changes from the fertilized egg to newborn child
38 weeks
1) Zygote... 2) Embryo... 3) Fetus
2 weeks
Prenatal Development
All changes from the fertilized egg to newborn child
How long does prenatal development last?
38 weeks
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
germinal
embryo
fetus
2 weeks. fertilization, implantation, start of placenta.
6 weeks. groundwork laid for all body structures and internal…
30 weeks. growth and finishing phase
germinal
2 weeks. fertilization, implantation, start of placenta.
embryo
6 weeks. groundwork laid for all body structures and internal…
gestation
how long does gestation/pregnancy last
how many stages are in pregnancy?
when does the germinal stage start and…
pregnancy
265 days or 38 weeks
3 - germinal, embryonic and fetal
begins with conception and ends with implantation around 7-9th…
gestation
pregnancy
how long does gestation/pregnancy last
265 days or 38 weeks
Wha are the basic unit of heredity
Name the chromosomes pairs and how many
Who determines the sex of the baby
what comes together for conception
Genes
22 autosomes pairs and 1 sex pair (23 total)
Biological father
Sperm+ Ovum= Zygote
Wha are the basic unit of heredity
Genes
Name the chromosomes pairs and how many
22 autosomes pairs and 1 sex pair (23 total)
Germinal Period
what is the germinal period?
amniotic sac
umbilical cord
Zygote formation
-first 2 weeks after conception... -attaches to uterine wall... -amn…
germinal stage; protective layer
germinal stage; attaches placenta to fetus
Germinal Period
Zygote formation
what is the germinal period?
-first 2 weeks after conception... -attaches to uterine wall... -amn…
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
Placenta
Pre-natal
Fetus
Umbilical Cord
Tissue connecting the fetus to the uterus
Baby's development during the time before birth
This refers to an unborn child after 8 weeks gestation, until…
Carries oxygen, nutrients, and antibodies to the growing baby
Placenta
Tissue connecting the fetus to the uterus
Pre-natal
Baby's development during the time before birth
Conception
Periods of development
period of the fetus
Tetratogens
1. zygote... 2. blastocyte... 3. implantation
germinal (2 weeks)- fertilization, implantation, start of plac…
week 9 to the end of pregnancy... -organs muscles, and ns start t…
-environmental agent that can cause damage ... harm done by tetr…
Conception
1. zygote... 2. blastocyte... 3. implantation
Periods of development
germinal (2 weeks)- fertilization, implantation, start of plac…
prenatal development
period of the zygote
blastocyst
germ disc
changes that transform an egg into a human
the first two weeks after conception in which the egg plants i…
zygote that consists of about 200 cells in a hollow ball form
small cluster of cells near the center of the blastocyst that…
prenatal development
changes that transform an egg into a human
period of the zygote
the first two weeks after conception in which the egg plants i…
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…
2 weeks
blastocyst
embryonic disk
trophoblast
How long does the period of the zygote usually last?
a hollow, fluid-filled ball of 60 to 70 cells originating from…
the part of the blastocyst that will become the new organism
the part of the blastocyst that becomes structures that provid…
2 weeks
How long does the period of the zygote usually last?
blastocyst
a hollow, fluid-filled ball of 60 to 70 cells originating from…
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
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…
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…
3 Stages
Zygote
Embryo
Fetus
Zygote, Embryo, Fetus
Begins when egg is fertilized in fallopian tube. Ends 2 weeks…
From 3-8 weeks after conception. Body parts are formed during…
From 9 weeks after conception t birth. Organ systems finish de…
3 Stages
Zygote, Embryo, Fetus
Zygote
Begins when egg is fertilized in fallopian tube. Ends 2 weeks…
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…
reflexes
infant mortality
neonatal mortality
states of arousal
an inborn, automatic, response to a particular form of stimula…
number of deaths in first year of life per 1K births - an inde…
rate of death within the first month of life... (67% of infant de…
degrees of sleep and wakefulness... (5: regular sleep, REM sleep,…
reflexes
an inborn, automatic, response to a particular form of stimula…
infant mortality
number of deaths in first year of life per 1K births - an inde…
prenatal development
period of the zygote (weeks 1-2)
zygote
blastocyst
the changes that transform a fertilized egg into a newborn hum…
- zygote grows rapidly through cell division... - becomes a blast…
fertilized egg that implants itself on the wall of the uterus…
after 4 days, the zygote consist of about 100 cells and is cal…
prenatal development
the changes that transform a fertilized egg into a newborn hum…
period of the zygote (weeks 1-2)
- zygote grows rapidly through cell division... - becomes a blast…