Corpus luteum of ovary, light micrograph C016 / 0527
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Corpus luteum of ovary, light micrograph C016 / 0527
Corpus luteum of ovary. Light micrograph of a section through steroid-secreting luteal cells in the corpus luteum of an ovary. The corpus luteum develops from an ovulated follicle. Its main functions are the secretion of oestrogen and progesterone to regulate pituitary gland secretion at the end of the menstrual cycle, and preparation of the growth of the uterine lining (endometrium) for implantation of a fertilised egg. Luteal cells are very large, around 50 micrometres in diameter, and contain much lipid (fat, green granules), mitochondria and smooth endoplasmic reticulum. If there is no pregnancy the corpus luteum entirely degenerates and is absorbed within the ovary. If pregnancy ensues, the corpus luteum is retained for several months until the
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Media ID 9239353
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Cell Biology Corpus Luteum Cytological Cytology Estrogen Granule Granules Histological Histology Lipid Menstrual Cycle Mitochondria Mitochondrion Oestrogen Ovarian Ovary Preparation Progesterone Regulation Reproduction Reproductive Structure Secretory Smooth Endoplasmic Reticulum Stain Stained Structures System Tissue Cells Light Micrograph Light Microscope Section Sectioned
EDITORS COMMENTS
This print showcases the intricate beauty of the corpus luteum of the ovary, as seen under a light microscope. The image reveals a section through steroid-secreting luteal cells within this reproductive structure. The corpus luteum plays a vital role in female reproductive biology, serving as a temporary endocrine gland after an egg is released during ovulation. Its primary functions include secreting estrogen and progesterone to regulate pituitary gland secretion at the end of the menstrual cycle. Additionally, it prepares the uterine lining (endometrium) for potential implantation of a fertilized egg. In this micrograph, one can observe large luteal cells with diameters around 50 micrometers. These cells contain abundant lipid droplets that appear green in color, indicating their high fat content. Furthermore, numerous mitochondria and smooth endoplasmic reticulum are present within these cells. If pregnancy does not occur, the corpus luteum undergoes complete degeneration and is absorbed back into the ovary. However, if fertilization takes place, this remarkable structure persists for several months to support early pregnancy. This stunning image provides valuable insights into both normal anatomy and cell biology related to reproduction. It serves as a testament to the incredible complexity and functionality found within our own bodies.
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