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placenta -a common tissue of foetus amp mother uterus which is physical physiological amp endocrinal connection is known as placentafunction -to
removal of testis -it is male hypogonadism1 before puberty -cestration before puberty results in permanent sterility this condition is eunuchoidism
sex differentiation mechanism -primitive gonads are identical in both sexes upto 6 weeks of gestation pressurethis gonad is known as bipotential
artificial insemination -artificial insemination is a technique to make a female pregnant by artificially introducing semen into the vaginaartificial
menstrual cycle -it occurs only in primates start at the age of 13 yrs upto menopouseduring this period generally one egg is released every 28 dyas
oestrous cycle -also known as heat period common in rabbit cat dog sheepsin this period desire for copulation occur possibility of fertilization is
disorders of female reproductive system - i sterilityii menstrual irregularity - this may be
onset of puberty in female -attains at the age of 13 by estrogen hormoneit includes -1growth of breasts2growth of external genitilia3broading of
external genitalia -vestibule is covered by 2 pairs of lips labia majoris and labia minorisat the anterior junction of labia minoris a small erectile
vagina -median elastic muscular tube 75 cm long open into vestibule by vaginal orfficethe lining forms vaginal rugae space between vaginal wall amp
uterus womb -large pyriform highly elastic development of embryo takes place in itit is located above and behind the urinnary bladder attached to
fallopian tube -fertilisation occur in it 10-12 cm long muscular tube it is supported by double fold of peritoniumit shows 4 regions -i infundibulum
graffian follicle -it appears as knob or stigma in medulla it is round discovered by graffit is covered by 2 layers - thecae externa amp theca
disorders of male reproductive systemi prostatomegaly - enlargment of prostate gland it causes difficult amp painful micturitionii impotence -
onset of puberty in malepuberty is the period when reproductive organs become functionalit is attained at the age of 13-16 yrs it is stimulated by
semen -sperms and secretion of accesory glands collectively known as seminal fluid or semenit is milky semi-solid in nature having particular smell
accessory glands -1 prostate gland -one in number 4-5 lobed it forms 15-30 of semencitric acid lipid acid phosphatase spermin
urethra -it is common duct as sperms amp urine both pass from itit receives juices of prostatic gland amp cowpers glandurethra is 20 cm long passes
seminal vesicles uterus mesculanis -seminal vesicles are elongated convoluted musculo glandular sac about 4 cm long 9 cm if straightenedlined by
vasa diffrentia -originate from wollfian ductit comes out fo cauda epdidymis enters into abdominal cavity through inguinal canal forms loop round the
epididymis -all seminiferous tubules form short straight tubules as tubuli recti open into wider network of rete testisfrom rete testis 15-20 fine
types of asexual reproduction1binary fission-amoeba2multiple fission-amoeba3sporulation-amoeba4plasmatomy-it is in multinucleate protozoan as
animal reproduction -reproduction is the ability to produce new organism of its own type it is meant to increase their numberreproduction includes -i
care of eyes -1 eyes should be periodically examined in children2 while reading the paper should be
difference between distant object and near object -distant objectnear object 1 parallel light reaches to eye 2 cilliary muscles are