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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
difference between eye and camera - camera eye1 box 2 black inner paint 3 shutter 4 diaphragm 5 light hole 6 lens 7 light
difference between aqueous humour and vitreous humour -aquous humourvitrous humour1 occurs in aquous chamber 2 watery fluid like 3 secreted
difference between blind spot and yellow spot -blind spotyellow spot1 it lies litte away from yellow spot 2 no pigment 3 optic nerves
difference between rods and cones -rodscones 1 more in number 1150 lakh 2 outer seg is cylindrical and contains rodopisin 3 rods are
working of eye -human eye is sensitive to light wavelenght ranging from 380 - 760 nmbees ants spiders and gold fish can see uttraviolet light which
lens - in lumen of eye ball a large colourless transparent more convex on back side lens present covered by lens capsulewhen white tissues are
sclerotic -white of eye outer thick made up of fibres connective tissue protective layer give definite shapeits anterior 16 part is thin transparent
conjunctiva -ectodermal in origin formed by epidermis it is thin transparent covers corneamade up of stratified epithelium it has 2 parts -i ocular
glands -1 lacrymal glands -tear glands numbers are 3its secretion is aquous amp salty keeps eye ball wet give nourishment to