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list any four methods of contraception used by humans. how does their use have a direct effect on the health and prosperity of the family?
how mammary glands are integrated structurally and functionally to support the process of ovulation, fertilization, pregnancy, birth and child care?????
plz explain, these lines are written in NCERT textbook.
why menstrual blood doesn't clot?
Explain the process of oogenesis.
(please explain because i want the proper answer of this ques.)
Draw a neat labelled sketch of Graafian follicle.
Why does failure of testes to descend into the scrotum produce sterility?
how does menstrual flow occurs after tubectomy?... i mean the passage blocked then how does the degnerated egg comes out from...????
what is embryo proper?
spermatogenesis? Briefly describe the process of spermatogenesis.
List all the changes that occur in the ovum during fertilisation.
what is sporogenous tissue?
give a labeled diagram of spermatogenesis as im finding it difficult to understand .
Draw a labeled diagram
of female reproductive system.
Female pronucleus is
(a)cytoplasm of ovum (b)nucleus of ovum (c)nucleus of quaternary oocyte (d)both b and c
why is menstrual cycle absent during pregnancy?
WHAT IS THE FUNCTION OF INFUNDIBULUM
the function of prostate gland is ......?
WHAT IS THE SIGNIFICANCE OF SPERMATOGENESIS & OOGENESIS?
what is spermatic cord? What is gubernaculum?
explain male reproductive system
what is major difference between spermatogenesis & oogenesis?
A female of 30 yrs age attained puberty at the age of 13 yrs. She has three children born by normal delivery. How many polar body are formed in her body till date. (Each M.C. is of 30 days) :
The correct answer is (3). Could you please explain ?
Question from Human Reproduction Class XII
difference between ducts and glands????
what is foetal ejection reflex?
Secondary oocyte retains bulk of the nutrient rich cytoplasm of the primary oocyte. Can you think of any advantage for this? rn Does the first polar body born out of first meiotic division divide further or degenerate?rn
WHAT IS PREGNANCY HORMONE? WHY IT IS CALLED SO? NAME TWO SOURCES OF THIS HORMONE IN HUMAN FEMALE?
from where do signals of parturition originate and what does maternal pituitary release for stimulating uterine contractions for child birth?
distingiush b/w morula gastrula and blastula
Can anal sexual intercouse lead to fertilisation?If not, then why it is done?
DIFFERENCE BETWEEN SPERMIOGENESIS AND SPERMIATION
difference between zoospore and zygote ?
what is oogenesis?
Draw a labelled diagram of Blastocyst
Draw a sectional view of human blastocyst and label trophoblast and inner cell mass. Mention the fate of trophoblast after the implantation of the blastocyst.
List the changes the primary oocyte underqoes in the tertiary follicular stage in the human ovary.
What are the three major phases of menstrual cycle in primates?Mention the key event in each phase.
why is placenta called a temporary endocrine gland?
when and how does placenta develop in human female?
what is the main difference between insemination and ejaculation?
spermatogenesis in human male is a hormone regulated process. justify
which hormone is called as the pregnancy hormone? ...why ?
Draw a labeled diagram
explain the steps in the formation of an ovum from an oogonium in humans
what is corona radiata?what is the difference between corona radiata and zona pellucida?
why does not all copulations lead to pregnancy???
which part of the blastula is destined to form the germ layers of the developing embro in humans
What is mean by Spermlysin ??????????
after tubectomy does menstrual cycle continue? there is a knot tied in the tube so how does the cycle takes place? pls give a proper answer
What is the difference between umbilical cord and placenta??
Draw a labeled diagram
of a Graafian Follicle?
draw a flow chart to show the hormonal control of the human male reproductive system highlighting the inhibitory and stimulatory directions in it
if asked to draw a labbeled diagram of male reproductive system in exam , which one we hav to write ...
there r 2 diagrams in textbook ...
pls answer asap
URGENT!! Define seminal vessicles ,,,prostate gland and cowper's gland.????
1.why is oogenesis considered as a discontinous and wasteful process?
2.is ejaculation and insemination the same ?
3.what is monospermy?
4.how implantation takes place ?
does menstruation occur even after tubectomy in females?? and does ovulation too occurs??
A. Corona radiata, zona pellucida, vitelline membrane
B. Zona pellucida, corona radiata, vitelline membrane
C. Vitelline membrane, zona pellucida, corona radiata
D. Zona pellucida, vitelline membrane, corona radiate pls explain with diagram as nothing is mentioned nywhere about vitelline membrane.
What is the difference between blastulation and gastrulation?
the seminiferous tubules of the testis are lined by the germinal epithelium consisting of.......?
After a successful in vitro fertilization the fertilized egg begins for begins to divide where is this egg transferred before it reaches the 8 cell stage What is the techniques?
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