Advertisements
Advertisements
प्रश्न
Define spermiation.
Advertisements
उत्तर १
Spermiation is the process of releasing mature spermatozoa. In this, spermatozoa are shed into the lumen of the seminiferous tubule for transport.
उत्तर २
After spermiogenesis, sperm heads become embeded in sertoli cells from which they obtain their nutrition and finally get released into the lumen of seminiferous tubules. This process of release of mature sperms from sertoli cells is called spermiation.
APPEARS IN
संबंधित प्रश्न
The process of release of the ovum from a mature follicle is called ______.
Define spermiogenesis.
Identify True/False statement. Correct the false statement to make it true.
Oogenesis takes place in the corpus luteum.
Implantation of embryo occurs in ______.
Body breaks up into several fragments and each fragment starts to live as a new individual. This is ______ type of reproduction.
In case of sexual reproduction, newborn show similarities about characters. Explain this statement with suitable examples.
At the time of birth, there are _______________ oocytes in the ovary of a female foetus.
Mammalian egg is ____________.
The process which the sperm undergoes before penetrating the ovum is ____________.
Mention the differences between spermiogenesis and spermatogenesis.
At what stage of development are the gametes formed in newborn male and female?
The following is the illustration of the sequence of ovarian events (a-i) in a human female.
Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.
Which of the following enter the maturation phase of oogenesis?
Formation of ____________ is an indication of the termination of oogenesis.
Identify the longest period of menstrual cycle.
Four primary spermatocytes give rise to ______.
Identify the wrong statement from the following.
The head of the epididymis at the head of the testis is called ______.
The principal tail piece of human sperm shows the microtubular arrangement of ______.
At what stage of life is oogenesis initiated in a human female?
Which of the following is a primary sex organ of female?
The number of chromosome groups at the equatorial plate in metaphase-I of meiosis in a plant with 2n = 50 shall be:
Human milk differs from cow's milk because human milk contains:
Capacitation refers to changes in the ______.
Which type of cell division forms spermatids from the secondary spermatocytes?
Distinguish between human sperm and ovum.
In which organ does oogenesis take place?
