Trophoblast meaning

Trophoblast is a tissue layer in the early embryo that gives rise to the placenta .


Trophoblast definitions

Word backwards tsalbohport
Part of speech Noun
Syllabic division tro-pho-blast
Plural The plural of the word trophoblast is trophoblasts.
Total letters 11
Vogais (2) o,a
Consonants (7) t,r,p,h,b,l,s

Trophoblast is a crucial layer of cells that forms during early pregnancy and plays a vital role in the development of the placenta. These specialized cells are essential for implantation in the uterine wall and provide the necessary support for the growing fetus.

The trophoblast is responsible for establishing the interface between the maternal and fetal circulations, allowing for the exchange of nutrients and waste products. This layer of cells also produces hormones that are critical for maintaining pregnancy, such as human chorionic gonadotropin (hCG).

Structure of Trophoblast

The trophoblast is made up of an outer layer of cells known as syncytiotrophoblast and an inner layer called cytotrophoblast. The syncytiotrophoblast is a multinucleated mass of cells that invades the uterine lining, while the cytotrophoblast provides a continuous supply of new cells to replenish the syncytiotrophoblast.

Functions of Trophoblast

The main functions of the trophoblast include implantation of the blastocyst into the uterine wall, formation of the placenta, nutrient and gas exchange between the mother and fetus, and hormone production to sustain pregnancy. These cells also play a role in protecting the fetus from the mother's immune system.

Overall, the trophoblast is an essential component of early pregnancy and is crucial for the development of a healthy placenta and successful pregnancy. Understanding the functions and structure of these cells is key to comprehending the complex process of implantation and fetal development.


Trophoblast Examples

  1. The trophoblast is responsible for the implantation of the embryo in the uterine wall.
  2. Abnormalities in the trophoblast can lead to complications in pregnancy.
  3. Research on trophoblast cells is crucial in understanding early embryo development.
  4. Trophoblast invasion plays a key role in the formation of the placenta.
  5. Defective trophoblast function can result in miscarriage.
  6. The trophoblast secretes hormones that are essential for maintaining pregnancy.
  7. Trophoblast cells interact with maternal tissues during pregnancy.
  8. Stem cells derived from the trophoblast have potential therapeutic applications.
  9. Understanding trophoblast development can help in detecting and treating pregnancy disorders.
  10. The trophoblast forms the outer layer of the blastocyst during early embryonic development.


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  • Updated 12/06/2024 - 22:23:44