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REPRODUCTION - Coggle Diagram

- - - - structure
      - transfer of molecules of low molecular weight across placental barrier
      - oxygen, carbon dioxide, water and electrolytes
      - more complex substances of nutritional importance as glucose, AA, lipids and vitamins
      - some drugs which cross placenta
      - some species as humans, rabbits, guinea pigs and, to a lesser extent, dogs + cats
      - RBC incompatibility btw mother + fetus
      - humans
      - when Rhesus-(+) fetus
    - - produces
      - some species, including humans, horses, sheep and cats
      - passive immunity
      - placental lactogen = somatomammotropin
      - placental relaxin
- - - - yolk sac
      - amnion + chorion
      - allantois
  - - - 1) Indifferent stage
      - 2) Differentiation stage
- - - - a) Hypothalamus level
        
        Kisspeptin
        
        Gonadotropin releasing hormone (GnRH)
        
        Prolactin releasing hormone (PRH) + Prolactin inhibitory factor (PIF)
        
        Oxytocin
      - b) Pituitary level
        
        Follicle-stimulating hormone (FSH)
        
        Luteinizing hormone (LH) / Lutropin
        
        Prolactin (PRL) / Luteotrop hormone (LTH)
      - c) Gonadal level
        
        Estrogens: estrone, estradiol and estriol
        
        Progesterone (P4)
        
        Inhibin
        
        Activin
        
        Relaxin
        
        Extra pituitary gonadotropins
        
        Equine chorionic gonadotropin (eCG)
        
        Human chorionic gonadotropin (hCG)
      - d) Uterine level
        
        Prostaglandins (Pg)
        
        PgF2α
        
        PgE2
    - - Female
      - Male
- - - - Search for sexual partner
      - Courtship
      - Sexual arousal
      - Erection
      - Penile protrusion
    - - Mounting
      - Intromission
      - Ejaculation
    - - Dismount
      - Refractory period
      - Memory
    - - Sustained
      - Intermediate
      - Short