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.