2009 Group Project 5: Difference between revisions

From Embryology
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== Growth and development of the Frog ==
== Growth and development of the Frog ==


[[Image: Mature develop frog.jpg|thumb|Image details: Wikipedia (2009) Primary source:[http://en.wikipedia.org/wiki/File:Red-eyed_Tree_Frog_-_Litoria_chloris_edit1.jpg]]
[[Image: Mature develop frog.jpg|thumb|Image details: Wikipedia (2009) TYPICAL FROG Primary source:[http://en.wikipedia.org/wiki/File:Red-eyed_Tree_Frog_-_Litoria_chloris_edit1.jpg]]


The frog is well known animal, living chiefly in ponds swamps, though some of it species my be also to exist in damp or shady places away from the  water. Eggs of frog are easily obtained and may be studied in laboratory from the moment of fertilization onwards. the stages of embryonic development differs in various chordates, yet the chief phases are basically similar in all. the differences are related primarily to the amount of yolk particles present in an egg. the yolk particles provide nourishment of the developing embryo. The process of frog development will be discussed from the phases of gametogenesis to adult stage.
The frog is well known animal, living chiefly in ponds swamps, though some of it species my be also to exist in damp or shady places away from the  water. Eggs of frog are easily obtained and may be studied in laboratory from the moment of fertilization onwards. the stages of embryonic development differs in various chordates, yet the chief phases are basically similar in all. the differences are related primarily to the amount of yolk particles present in an egg. the yolk particles provide nourishment of the developing embryo. The process of frog development will be discussed from the phases of gametogenesis to adult stage.

Revision as of 18:15, 19 August 2009

The Embryology of Frogs


Growth and development of the Frog

Image details: Wikipedia (2009) TYPICAL FROG Primary source:[http://en.wikipedia.org/wiki/File:Red-eyed_Tree_Frog_-_Litoria_chloris_edit1.jpg

The frog is well known animal, living chiefly in ponds swamps, though some of it species my be also to exist in damp or shady places away from the water. Eggs of frog are easily obtained and may be studied in laboratory from the moment of fertilization onwards. the stages of embryonic development differs in various chordates, yet the chief phases are basically similar in all. the differences are related primarily to the amount of yolk particles present in an egg. the yolk particles provide nourishment of the developing embryo. The process of frog development will be discussed from the phases of gametogenesis to adult stage.

The Egg

The embryology of a frog egg is a vast cell; its dimensions are approximately 1.4-1.6 million times larger than a typical aquatic species egg cell. Throughout the frog’s embryonic maturation period, the egg will be transformed into a tadpole encompassing millions of cells but still remains with its constant volume of genetic material. The early embryonic frog structure consists of three main segments the superior hemisphere known as the animal pole which is usually visible as the darkest area. The innermost layer appears to be between the outer two sections known as the gray crescent. Inferiorly, represents the vegetal pole typically lighter than the superior compartment.

Image details: Wikipedia (2009) FROG EGGS Primary source:[http://en.wikipedia.org/wiki/File:Frogspawn_closeup.jpg





Project Content:


1.The Egg

2.Fertilization

3.Cleavage

4.Gastrulation

5.Differentiation

6.Growth

7.Timeline -how long

8. Diagram (Hand-drawn)

9. Germ-layer origin of various body tissues

10.Developmental factors associated with specfic stages of growth

11. Staging - are there species specific staging, what occurs when

12.History of Model Use - when was it first used, what embryology research

13.Genetics - chromosome number, sequencing

14. Current Embryology Research - research papers and findings

== Links - Frog Embryology: ==


1. [1]

2. [2]

3. [3]

4. [4] Just a little cycle of FROG'S life cycle

5. [5]

6. http://images.google.com.au/imgres?imgurl=http://apps.carleton.edu/global_stock/photostock/193602.jpg&imgrefurl=http://apps.carleton.edu/campus/library/now/exhibits/wallcharts/frog/&usg=__6WNxrJKZ7uH0acKeWHJ2t300IaU=&h=500&w=387&sz=27&hl=en&start=1&um=1&tbnid=F5X21msxLaGm0M:&tbnh=130&tbnw=101&prev=/images%3Fq%3Dembryology%2Bof%2Bfrog%26hl%3Den%26sa%3DN%26um%3D1


ANAT2341 group projects

Project 1 - Rabbit | Project 2 - Fly | Project 3 - Zebrafish | Group Project 4 - Mouse | Project 5 - Frog | Students Page | Animal Development