Advertisements
Advertisements
प्रश्न
How is Placenta formed? What are its functions?
Advertisements
उत्तर
It is formed by the union of uterine endometrial tissue, chorion, and allantois (embryonic tissue). It is attached to the wall of the uterus and through it, the exchange of nutrients, hormones, respiratory gases, and urea occurs between the fetal and maternal circulation.
APPEARS IN
संबंधित प्रश्न
Complete the following table by writing the name of the structure or the function of the given structure:
| Structure | Function | ||
| 1 | Corpus luteum | 1 | …………… |
| 2 | ……………. | 2 | Produces male gametes in mass |
| 3 | Placental disc | 3 | …………………….. |
| 4 | . ……………. | 4 | Increases the force in uterine contractions during child birth |
| 5 | Umbilical cord | 5 | …………………. |
| 6 | Fallopian tube | 6 | ………………… |
Given below are the names of certain stages/substances related to reproduction and found in human body. Answer the questions related to them.
Gestation
• What is its meaning?
• How long does it normally last?
Describe the functions of Amnion
What changes occur at the time of birth?
Differentiate
Fetus and Embryo.
Write the functional activity of the following structure:
Amnion
Write the functional activity of the following structure:
Placenta
Mention any two functions of the human foetal placenta.
Which of the following cannot pass readily through the placenta to the foetus?
Write the specific location of the following:
Placenta
