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--- en:foetal_embryology [2024/07/31 07:15] – brahmantra
+++ en:foetal_embryology [2024/08/29 13:53] () – brahmantra
@@ 146: / 146: @@
   * [[en:development-of-skeletal-system|development of skeletal system]]
   * [[:en:development-of-face | Development of face ]]
+  * primordial alphabets or germ cells
+    * [[:en:alphabetic_fertilization | alphabetic fertilization ]]
+    * [[:en:conjunct_zygote | Conjunct zygote ]]
+      * [[:en:embryo_word_stages | conjunct alphabet cell groups  or embryo word stages ]]
+        * [[:en:first_week_development | first week of development  ]]
+          * [[:en:word_morula | Word morula or scattered alphabet cell group ]]
+          * [[:en:word_blastocyst | word blastocyst or similar word two groups ]]
+        * second week of development
+          * [[:en:embryo_word_lineage | Embryo Word lineage or Embryo word differentiation ]]
+        * third week of development
+        * fourth week of development
+        * first month  of development
+        * second month of development
+        * third month  of development
+        * ninth month  of development
+      * Alphabet circle / alphabetic sphere
+      * alphabetic lineages or alphabetic differentiation
+        * alphabet layers
+<a2s>
+   .----.
+   |  X |   - ZYGOTE
+   .----.
+  .-----.
+  |  XX |   - TWO CELLED STAGE
+  .-----.
+  .------.
+  | XX   |  - FOUR CELLED STAGE
+  | XX   |
+  .------.
+  .------.
+  | XXXX |  - EIGHT CELLED STAGE
+  | XXXX |
+  .------.
+  .------.
+  | XXXX |  - SIXTEEN CELLED STAGE
+  | XXXX |
+  | XXXX |
+  | XXXX |
+  .------.
+  .------.
+  | XXXX |  - FLUID ENTERS BETWEEN CELLS
+  | XXXX |
+  | XXXX |
+  | XXXX |
+  | ~~~~ |
+  .------.
+  .--TT--.
+  | EEEE |  - FLUID ENTERS BETWEEN CELLS , E = inner cell mass (Embryoblast) , T = Trophoblast , ~ = Blastocoel ( Blastocyst cavity)
+  | EEEE |
+  | EEEE |
+  | EEEE |
+  | ~~~~ |
+  .------.
+  .--TT--.
+  | EEEE |  - FLUID ENTERS BETWEEN CELLS , E = inner cell mass (Embryoblast) , T = Trophoblast , ~ = Blastocoel ( Blastocyst cavity)
+  | EEEE |  - TT = embryonic pole , tt = Abembryonic pole
+  | EEEE |
+  | EEEE |
+  | ~~~~ |
+  .--tt--.
+  .--TT--.
+  | CCCC |  - FLUID ENTERS BETWEEN CELLS , E = inner cell mass (Embryoblast) , T = Trophoblast , ~ = Blastocoel ( Blastocyst cavity)
+  | DDDD |  - TT = embryonic pole , tt = Abembryonic pole
+  |      |  - C = Ectoderm , D = Endoderm
+  | ~~~~ |
+  .--tt--.
+.--------TT-----------------.
+| .-------AAAAAAA---------. |
+| |                       | |
+| | A~A~A~A~A~            | |   - A~ = amniotic cavity , Y~ = yolk sac or primary yolk sac
+| |                       | |
+| .-------CCCCCCCC--------. |
+|                           |
+| .-------DDDDDDDD--------. |
+| |                       | |
+| |    Y~Y~Y~Y~Y~         | |
+| |                       | |
+| .------HHHHHHH----------. |
+.---------------------------.
+</a2s>

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