What are Mesonephric remnants?

Mesonephric duct remnants (MDRs) are vestiges of the Wolffian (or “mesonephric”) ducts which regress during normal female development. [1] They are usually referred to as paroophoron, epoophoron, and Gartner’s duct. Epoophoron usually is found between ovary and fallopian tissue.

What is Mesonephric hyperplasia?

Hyperplasia of mesonephric ducts is characterized by a glandular population similar to mesonephric remnants but larger, more irregular and haphazardly distributed with increase in lobule size and extensive involvement of the cervix.

What is a Mesonephric adenocarcinoma?

Mesonephric adenocarcinoma is a rare, non-mucinous cervical tumor. It accounts for less than 1% of all tumors at this site and is not related to human papillomavirus (HPV). It is usually located deep in the lateral cervical stroma, but rare cases of primary vaginal and uterine corpus MNAC have been reported [13, 14].

What is a Mesonephric cyst?

Mesonephric cyst is a vestigial remnant of the Wolffian duct in females. In female embryos most of the mesonephric duct degenerates, although some remnants may be found in the mesovarium, where they form the epoophoron and paroophoron.

What does the mesonephric duct become in males?

In the male, the mesonephric duct loses its urinary function once the mesonephros is superseded by the metanephros. The mesonephric duct becomes the ductus deferens and the epididymis (the main genital ducts in the male), opening into the urogenital sinus (the anterior part of the cloaca) (Fig. 9.1).

What are müllerian ducts?

The müllerian ducts are the primordial anlage of the female reproductive tract. They differentiate to form the fallopian tubes, uterus, the uterine cervix, and the superior aspect of the vagina. A wide variety of malformations can occur when this system is disrupted.

What is Carcinosarcoma?

Listen to pronunciation. (KAR-sih-noh-sar-KOH-muh) A malignant tumor that is a mixture of carcinoma (cancer of epithelial tissue, which is skin and tissue that lines or covers the internal organs) and sarcoma (cancer of connective tissue, such as bone, cartilage, and fat).

What is wolffian?

Wolffian ducts (WDs) are the embryonic structures that form the male internal genitalia. These ducts develop in both the male and female embryo. However, in the female they subsequently regress, whereas in the male they are stabilised by testosterone.

What is a Gartner’s cyst?

Gartner’s cysts, sometimes incorrectly referred to as vaginal inclusion cysts, are the most common benign cystic lesions of the vagina. They represent embryologic remnants of the caudal end of the mesonephric (Wolffian) duct [1]. Gartner’s ducts are found in about 25 percent of adult women.

What develops from mesonephric duct?

The mesonephric duct becomes the ductus deferens and the epididymis (the main genital ducts in the male), opening into the urogenital sinus (the anterior part of the cloaca) (Fig. 9.1).

What is Mullerian duct in male?

Collapse Section. Persistent Müllerian duct syndrome is a disorder of sexual development that affects males. Males with this disorder have normal male reproductive organs , though they also have a uterus and fallopian tubes, which are female reproductive organs .

What is Paramesonephric duct in male?

Anatomical terminology. Paramesonephric ducts (or Müllerian ducts) are paired ducts of the embryo that run down the lateral sides of the urogenital ridge and terminate at the sinus tubercle in the primitive urogenital sinus.

Which is the best description of histology of the liver?

Histology of Liver: Histology is the microscopic study of any organ. Live is a solid organ and is a mass of multiple cells and tissues. Histology of the liver shows the capsule inside, which rests the liver. It is named Glisson’s capsule.

Where are the remnants of mesonephric ducts located?

Remnants of mesonephric (Wolffian) ducts which form the epididymis and vas deferens in males, present in 1/3 of women Mesonephric adenocarcinoma is a rare varient of cervical adenocarcinoma that arises from mesonephric rests deep in the cervical stroma

How does testosterone affect the mesonephric duct in men?

In men, under influence of testosterone, mesonephric duct develops into epididymis, vas deferens, seminal vesicle In women, absence of testosterone causes duct regression; this may be incomplete and inclusions / remnants may persist

What is the nephron in Renal histology?

Introduction Nephron histology This section of notes gives an overview mainly of adult renal histology, see also Renal System Developmentnotes. A key structure of the kidney functional unit, the nephron, is the glomerulus (renal corpuscle), which represents the initial vascular/renal interface.