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--- en:foetal_embryology [2024/07/31 06:59] – created brahmantra
+++ en:foetal_embryology [2024/08/29 13:53] () – brahmantra
@@ 1: / 1: @@
-====== EMBRYOLOGY ======
+====== FOETAL EMBRYOLOGY ======
-  * [[:en:embryological_anatomy | Embryological Anatomy ]]
-  * [[:en:embryological_physiology | Embryological Physiology ]]
-  * [[:en:embryological_biochemistry | Embryological biochemistry ]]
+  * recurring life , ontogeny
+  * phylogeny
+  * progeny ,  today's creator ( अद्यज )
-====== RECURRING LIFE  ======
-    * more specific
-      * today's creator ( अद्यज )
         * EMBRYOLOGY GENITORS
           * zygote ( युग्मज )
@@ 25: / 22: @@
               * Nephrogenic cord
             * nervous system creator
@@ 142: / 136: @@
     * decidua capsularis पाती संपुट
-===== Introduction =====
-===== Basic process in development  =====
+===== SYSTEMIC EMBRYOLOGY =====
+  * [[en:development-of-circulatory-system|Development of cardiovascular system]]
+  * [[en:development-of-respiratory-system|Development of respiratory system]]
+  * [[en:development-of-nervous-system|Development of nervous system]]
+  * [[en:development-of-urogenital-system|Development of urogenital system]]
+  * [[en:development-of-gastrointestinal-tract|development of gastrointestinal tract]]
+  * [[en:development-of-skeletal-system|development of skeletal system]]
+  * [[:en:development-of-face | Development of face ]]
-===== Germ Cells and their maturation =====
+  * 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
-===== Fertilization =====
-  * [[en:fertilization|fertilization]]
-===== Stages of embryology  =====
+      * Alphabet circle / alphabetic sphere
+      * alphabetic lineages or alphabetic differentiation
+        * alphabet layers
-===== Placenta =====
+<a2s>
+   .----.
+   |  X |   - ZYGOTE
+   .----.
+  .-----.
+  |  XX |   - TWO CELLED STAGE
+  .-----.
+  .------.
+  | XX   |  - FOUR CELLED STAGE
+  | XX   |
+  .------.
-===== Fertilization =====
+  .------.
+  | XXXX |  - EIGHT CELLED STAGE
+  | XXXX |
+  .------.
+  .------.
+  | XXXX |  - SIXTEEN CELLED STAGE
+  | XXXX |
+  | XXXX |
+  | XXXX |
+  .------.
+  .------.
+  | XXXX |  - FLUID ENTERS BETWEEN CELLS
+  | XXXX |
+  | XXXX |
+  | XXXX |
+  | ~~~~ |
+  .------.
-{{:anatomyland:index_embryo_cells.png|}}
+  .--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----------. |
+.---------------------------.
-==== ZYGOTE ====
-{{::anatomyland:zygote.png}}
+</a2s>
-===== STAGES OF EMBRYOLOGY =====
-==== CHANGES IN FIRST WEEK  ====
-  * [[en:morula|morula]]
-  * [[en:blastocyst|blastocyst]]
-**CLEAVAGE**
- The two cells formed as described above undergo a series of divisions. One cell divides first so that we have a 3 cell stage of embryo followed by 4 cell stage , a 5 cell stage etc. This process is called cleavage.
-Subdivisions of cleavage
-  * Stage of compaction : at 8 celled stage
-  * Morula
-  * Blastocyst  : between 4th and 5th day
-**GERMINAL PERIOD**
-{{::anatomyland:2_cell_embryo.png}}
-{{::anatomyland:4_cell_embryo.png}}
-{{::anatomyland:8_cell_embryo.png}}
-{{::anatomyland:12_celled_embryo.png}}
-{{::anatomyland:morula.png}}
-==== CHANGES IN SECOND WEEK  ====
-{{::anatomyland:blastocyst.png}}
-{{::anatomyland:differentiation-prefirst.png}}
-{{::anatomyland:differentiatiofirst.png}}
-{{::anatomyland:embry-fullblastocyst.png}}
-{{::anatomyland:embry-yolksac.png}}
-{{::anatomyland:embryo-extraembrymeso.png}}
-==== CHANGES IN THIRD WEEK  ====
-===== SYSTEMIC EMBRYOLOGY =====
-  * [[en:development-of-circulatory-system|Development of cardiovascular system]]
-  * [[en:development-of-respiratory-system|Development of respiratory system]]
-  * [[en:development-of-nervous-system|Development of nervous system]]
-  * [[en:development-of-urogenital-system|Development of urogenital system]]
-  * [[en:development-of-gastrointestinal-tract|development of gastrointestinal tract]]
-  * [[en:development-of-skeletal-system|development of skeletal system]]
-  * [[:en:development-of-face | Development of face ]]

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