胚胎(泌尿)生殖結構

Embryonic Urogenital Structures

  1. 從mesoderm發育而來
  2. 在有以下的刺激，發育成男性生殖系統
    1. Anti-Müllerian Hormone (AMH) = Müllerian Inhibiting Substance (MIS)
    2. Testosterone
    3. Insulin-like factor 3 (INSL3)
  3. 若沒有以上的刺激，則發育為女性生殖系統

 

生殖系統發育之胚胎結構對照Embryonic Structures of Reproductive System

Male ♂

Embryo Structure

Female ♀

Testis

Genital gland (gonad)

Ovaries

Seminiferous tubule

Cortex

Follicle

Rete testis

Medulla

Medulla

Efferent duct

Paradidymis

Mesonephric tubule

Epoöphoron

Paraoöphoron

Epididymis

Mesonephric duct
(Wolffian duct)

Appendix vesiculosa

Ductus epididymis

Ductus epoöphoron

Seminal vesicle

Ejaculatory duct

Ductus deferens

Vestigial remnants
(Gartner’s duct, paraoophoron)

Trigone of urinary bladder
Part of bladder wall

Trigone of urinary bladder
Part of bladder wall

Appendix of testis
(Hydatid of Morgagni)

Paramesonephric duct
(Müllerian duct)

Paratubal cyst
(Hydatid of Morgagni)

Fallopian tube & Fimbriated end

Uterus & Cervix

Upper 1/3 of vagina

Bladder & Urethra

Prostatic utricle

Urogenital sinus

Bladder & Urethra

Lower 2/3 of vagina

Vulval vestibule

Prostate gland

Skene’s gland
(lesser vestibular glands, para- or peri- urethral glands)

Bulbourethral gland

Bartholin’s gland
(greater vestibular glands)

Seminal colliculus

Sinus tubercle
(Müllerian eminence)

Hymen

Glans penis

Corpora cavernosa

Corpus spongiosum

Genital tubercle

Glans clitoridis

Clitoris spongiosum

Vestibular bulb

Ventral shaft of penis

Penile urethra

Urogenital folds

Labia minora

Scrotum

Scrotal raphae
(labioscrotal swelling)

Labia majora

 

Enbryonic_sturctures_of_reproductive_system.PNG


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