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Human reproduction, Hormone produced only during pregnancy, Get stuck at…

- - - - Relaxin
      - hPL
      - Progestogens
      - hCG
      - Estrogen
  - - - Ectoderm
        Mesoderm
        Endoderm
  - - - By the end of the fifth month
        
        By the end of the 24 week
        
        By the end of the nine month
        
        Fully formed fetus ready for delivery
        
        Body is covered with hair
        Eyelids are separated
        Eye lash are formed
        
        Most of the organ system is formed
        Eg: Limb and external genitalia organs are well developed
      - Embryo's heart is formed
- - - - Hyaluronidase
        
        Corona peneterating enzyme
        
        Zonalysis
  - - - 2-4 cell stage Blastomers
        
        8-16 cell stage morula
        
        32 cell stage blastocyst
        
        External
        Trophoblast
        
        Trophoblast gets embedded at endometrium
        
        Internal
        Inner cell mass
        
        Differentiated into embryo
        
        Trophoblast gets embedded at endometrium
        
        After attachment, the uterine cells rapidly divides and covers the blastocyst
        
        As a result, the blastocyst is embedded in the endometrium of the uterus. This is called implantation and it leads to pregnancy.
        
        1 more item...
        
        Happens at 5th day
- - - - Vulva
        
        Labia minora
        
        Urethral opening
        
        Labia majora
        
        Vaginal orifice
        
        Clitoris
        
        Vestibule
    - - Uterus
        
        Myometrium
        
        Contains Smooth muscle helps in contraction in time of parturition and menstruation
        
        Endometrium
        
        Perimetrium
      - Cervix
      - Fallopian tube-> is covered by ciliated muscular structure
        
        Ampulla
        
        Site of fertilisation
        
        Isthmus
        
        Infundibilum
        
        Has fimbriae
      - Vagina
    - - Ovary
        
        How ovum is formed
        
        Primary follice
        
        Secondary follicle
        
        Tertiary follicle
        
        Grafian follicle
        
        Theca layer differentiates into External theca and internal theca
        
        Antrum
        
        Zoona pellucida around oocyte made up of non-cellular and glycoproteins
        
        Graffian follicle
        
        Theca layer
        
        Different parts
        
        Medulla
        
        Cortex
        
        Hilum
        
        Oocyte
        
        Follicular cell
    - - Bartholins/Greater vestibular gland
      - Skene's gland/ paraurethral gland
    - - 15-20 mammary lobules
        
        Alveoli
        
        Prolactin
        
        Produce milk
        
        Oxytocin
        
        Let down of milk
      - Support
        
        Areolar
        
        Pectoralis major muscle
      - Alveoli
        
        Mammary tubules
        
        mammary ducts
        
        Ampulla
        
        Lactiferous duct
        
        nipple
  - - - External
        
        Length and wideness of testis
        
        Why present outside of abdominal cavity ?
        
        Shape of testis
      - Internal
        
        tubuli recti ,rete testi, Vas efernces, epidydmis, vasa differena,
        
        Semniferous tubules
    - - Bulbourethral gland
      - Seminal vesicle
        
        GIves Milky appearance
        
        Unpaired
        
        chestnut shape
        
        Secrete ca+2
      - Prostate
    - - Glans penis
      - How erection happens
      - Made of erectile tissue
      - Section of penis
        
        Corpus spongiosum
        
        Corpora cavernosa
    - - 2.5-5ml per ejaculation
      - 200-300 million sperms per ejaculation
      - In that 60% should have normal size and shape
        in that 60%, 40% should have vigorous motility
- - - - Oogonia
        
        Primary oocyte
        
        Secondary oocyte
        
        Ovum
        
        Tertiary or Graafian follicle
        
        Second polar body
        
        First polar body
    - - GnRH
        
        LH
        
        Rupture of follicle
        
        OVulation
        
        Corpus lutem
        
        Progesterone
        
        2 more items...
        
        Ooctye
        
        Ovum
        
        FSH
        
        Ovarian follicle growth
        
        Estrogen
        
        +LH
        -FSH
  - - - Release of sperms from sertoli cells
    - - Formation of spermatozoa from spermatids
    - - Spermatogonium Type A
        
        Spermatogonium Type B
        
        Primary spermatocytes
        
        Secondary spermatocytes
        
        Spermatids
        
        Spermatogozoa
    - - Gnrh
        
        FSH
        
        Sertoli cells
        
        Formation of sperms
        
        Negative feedback
        
        Inhibin
        
        LH
        
        Leydig cell
        
        Testosterone
    - - Neck
        
        Centrioles
        
        Distal
        
        Proximal
      - Middle piece
      - Head
        
        Acrosome
        
        Golgi bodies complex
      - Tail
- - - - Uterine contractions
        
        Positive feedback for more oxytocin
        
        Stronger uterine contraction