PSYCH211 Chapter Notes - Chapter 3: Antibody, Endangerment, Umbilical Cord

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Psych 211 chapter 3

Why have children?
-

-

 !
"
#
$
%

&
'

&()*
(+

%



,

-
$.
.
/

,#


/
0 $
" &
How large a family
-
o
(
-

- 123
o


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


-4


-5
+
Is there a best time during adulthood to have a child?
-/

-#
6767
- 
-8


4
- Ovum is the largest cell in the human body
-9

Conception:
- :;<:
=<
(=
- Corpus luteum:

-06>>+

-56>>(7>>

-(

-66;
?@ 4
:@ 4
6@ 4
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Period of zygote:
-4:

- blastocyst: )(.
- Embryonic disk: 
- Trophoblast:

-'ABimplantation occurs:

- Amnion:
- Amniotic (uid:
+

- A yolk sac


- Chorion:
-C
- Placenta:

- Umbilical cord: .
?(6
:

-'

Period of the embryo
- Embryo:;
- This is when most of the rapid prenatal changes take place, as
all ground work is laid for all body structures and internal
organs
$. 
-6
?@ ectoderm:
:@ mesoderm:

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