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|maplink = Reproductive System (Content Map) - Anatomy & Physiology

|maplink = Reproductive System (Content Map) - Anatomy & Physiology

|pagetype =Anatomy

|pagetype =Anatomy

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==Introduction==

==Introduction==

The ovary is the female Gonad homologous to the male Testes. It is ususally a paired organ in domestic species but in the bird only the Left Ovary is present.  The structures found within the ovary are undergoing constant changes throughout the oestrus cycle from the [[The Ovary_-_Follicles_-_Anatomy_%26_Physiology|Follicles]] containing [[The Ovary_-_Oocytes_-_Anatomy_%26_Physiology|Oocytes]], to the formation of [[Corpus Haemorrhagicum]], [[The Ovary_-Corpus Luteum_-_Anatomy_%26_Physiology|Corpus Luteum]], and finally [[The Ovary_-Corpus Albicans_-_Anatomy_%26_Physiology|Corpus Albicans]]. Ovaries are ellipsoidal in shape with an irregular surface due to the projection of dominant follicles and corpora lutea. These irregularities are absent in the mare due to the cortex and medulla being reversed, but are greatest in [[Gestation_-Litter Sizes_-_Anatomy_%26_Physiology|Polytocous]] animals such as the sow due to many dominant follicles, and so corpora lutea, developing at once.

The ovary is the female Gonad homologous to the male Testes. It is ususally a paired organ in domestic species but in the bird only the Left Ovary is present.  The structures found within the ovary are undergoing constant changes throughout the oestrus cycle from the [[The Ovary_-_Follicles_-_Anatomy_%26_Physiology|Follicles]] containing [[The Ovary_-_Oocytes_-_Anatomy_%26_Physiology|Oocytes]], to the formation of [[Corpus Haemorrhagicum]], [[The Ovary_-Corpus Luteum_-_Anatomy_%26_Physiology|Corpus Luteum]], and finally [[The Ovary_-Corpus Albicans_-_Anatomy_%26_Physiology|Corpus Albicans]]. Ovaries are ellipsoidal in shape with an irregular surface due to the projection of dominant follicles and corpora lutea. These irregularities are absent in the mare due to the cortex and medulla being reversed, but are greatest in [[Gestation_-Litter Sizes_-_Anatomy_%26_Physiology|Polytocous]] animals such as the sow due to many dominant follicles, and so corpora lutea, developing at once.