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Egg Composition and Formation - Anatomy & Physiology (view source)
Revision as of 14:04, 5 July 2012
, 14:04, 5 July 2012→Allantois (or allantoic sac)
[[Image:Chicken Egg schematic.jpg|thumb|right|150px|<p>Schematic Diagram of a Chicken Egg: (1. Eggshell 2. Outer membrane 3. Inner membrane 4. Chalaza 5. Exterior albumen (outer thin albumen) 6. Middle albumen (inner thick albumen) 7. Vitelline membrane 8. Nucleus 9. Germinal disk (blastoderm) 10. Yellow yolk 11. White yolk 12. Internal albumen 13. Chalaza 14. Air cell 15. Cuticle)</p><sup> ©RVC 2008</sup>]]
[[Image:Chicken Egg schematic.jpg|thumb|right|150px|<p>Schematic Diagram of a Chicken Egg: (1. Eggshell 2. Outer membrane 3. Inner membrane 4. Chalaza 5. Exterior albumen (outer thin albumen) 6. Middle albumen (inner thick albumen) 7. Vitelline membrane 8. Nucleus 9. Germinal disk (blastoderm) 10. Yellow yolk 11. White yolk 12. Internal albumen 13. Chalaza 14. Air cell 15. Cuticle)</p><sup> ©RVC 2008</sup>]]
* Produces '''water and energy''', allowing survival in arid environments.
* Produces '''water and energy''', allowing survival in arid environments.
* Thick and viscous
* Thick and viscous
* Contains '''maternal antibodies''', primarily IgG.
* Contains '''maternal antibodies''', primarily [[IgG]].
=== Albumin ===
=== Albumin ===
* Works together with chorion to permit respiration (exchange of oxygen and carbon dioxide) and excretion.
* Works together with chorion to permit respiration (exchange of oxygen and carbon dioxide) and excretion.
* Important in storage of nitrogenous wastes (uric acid).
* Important in storage of nitrogenous wastes (uric acid).
[[Category:Avian Reproduction]]
[[Category:Bullet Points]]