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प्रश्न
What is menstrual cycle?
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उत्तर
The menstrual cycle is the cyclic change of the reproductive tract of a primate female. This period is marked by a characteristic event repeated almost every month (28 days with minor variation) in the form of a menstrual flow (i.e., shedding of the endometrium of the uterus with bleeding). Only during pregnancy does it temporarily cease.
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संबंधित प्रश्न
Explain the role of pituitary and the ovarian hormones in menstrual cycle in human females
Draw a graafian follicle and label antrum and secondary oocyte.
the Biological/technical term for Complete stoppage of menstrual cycle in females
How can the scientific understanding of the menstrual cycle of human females help as a contraceptive measure?
Choose the correct answer from the four options given below :
On which day of the menstrual cycle does ovulation take place ?
Give Reasons
The chances of pregnancy to occur are most favourable on or about the 14th day of the menstrual cycle. Explain.
Name the Following
The term used when females stop menstruation at the age of 45-50 years.
What are the phases of the menstrual cycle? Indicate the changes in the ovary and uterus.
The menstrual cycle ceases during pregnancy.
Painful menstruation is termed as ____________.
Detection of which hormone in urine is an indicator of pregnancy?
Choose the correct order of phases of the menstrual cycle.
The temporary endocrine gland in humans is ______.
____________ is transformed to corpus luteum during luteal phase of the menstrual cycle.
Corpus luteum ______.
A human female reaches menopause aroung the age of ______.
The Corpus luteum grows during menstruation.
Menstrual flow occurs due to lack of ______.
The secretory phase in the human menstrual cycle is also called:
The menstrual cycle begins with ______
What are the events taking place in the ovary and uterus during follicular phase of the menstrual cycle.
Given below is a flow chart showing ovarian changes during menstrual cycle. Fill in the spaces giving the name of the hormones responsible for the events shown.
What role does pituitary gonadotropins play during follicular and ovulatory phases of menstrual cycle? Explain the shifts in steroidal secretions.
The figure show a section of human ovary. Select the option which gives the correct identification of either A or B with function/characteristic.
Complete the table:
| Number | Type | No. of pairs | Region |
| C1C8 | Cervical | ______ | Neck |
| T1T12 | ______ | 12 pairs | ______ |
| L1L5 | Lumbar | ______ | Lower back |
| S1S5 | ______ | 5 pairs | ______ |
| CO1 | Coccygeal | ______ | ______ |
