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The appearance of the uterus varies with the stages of the oestrus cycle.
 
The appearance of the uterus varies with the stages of the oestrus cycle.
 
'''Follicular phase'''
 
'''Follicular phase'''
*
+
*Increasing numbers of uterine glands developing and elongating within the endometrium due to the influence of Oestrogens produced by the developing follicles.
 +
*General increase in the thickness of the endometrium.
 +
*The epithelium lining the glands is Simple Columna epithelium.
 
'''Luteal phase'''
 
'''Luteal phase'''
*
+
*The endometrium is at its maximum thickness with a large number of highly developed glands.
 +
*This is the secretory phase for the endometrium.
 
'''Anoestrus'''
 
'''Anoestrus'''
*
+
*The endothelium is relatively thin and there is little proliferation or gland development.
 +
*The glands are lined by Simple Cuboidal epithelium.
    
==Innervation==
 
==Innervation==
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