− | The Corpus Luteum is an endocrine structure. The luteal cells are steroidogeneic producing hormones of the luteal phase of the oestrus cycle; Progesterone, oxytocin and relaxin. | + | The Corpus Luteum is an endocrine structure. The luteal cells are steroidogeneic producing hormones of the luteal phase of the oestrus cycle; Progesterone, oxytocin and relaxin. Progesterone prepares and maintains the [[Uterus - Anatomy & Physiology|uterus]] for implantation of the fertilised ovum. The number of corpora lutea formed are directly related to the number of oocytes released. |