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human reproductive system, Tests, Accessory Glands, Oogenesis, Mammary…
human reproductive system
Male
external reproductive organs
scrotum
penis
Internal reproductive organs
gonads
Testes
produce hormones
produce sperm
Sperm form in these seminiferous tubules
accessory glands
products needed for sperm movement
ducts that carry sperm
glandular secretions
Female
external reproductive structures
clitoris
labia
ternal organs
Ovaries (卵巢)
follicles
oocyte
oviduct (輸卵管)
Cilia (纖毛)
convey the egg to the uterus
Uterus (子宮)
endometrium (子宮內膜)
cervix (子宮頸)
vagina
(陰道)
Tests
consist of highly coiled tubes (seminiferous tubules，生精小管)
精子生成細胞(Spermatogenic cells)
Spermatogonium(2n)
Primary spermatocyte
(2n)
Secondary spermatocyte
(n)
Spermatids(n)
Sperm cell
(n)
支持細胞(Supporting cell)
Sertoli cell(賽氏細胞)
荷爾蒙調控hormone regulation
濾泡促進激素（FSH）
促黃體生成素（LH）
管周組織(Peritubular tissue)：
為包圍在曲細精管最外圍的組織
睪丸間質細胞
(Interstitial cell/Leydig cell)
分泌睪固酮(testosterone)
Epididymis(附睪)
Accessory Glands
bulbourethral glands (尿道球線)
clear mucus (透明黏液)
neutralizes acidic urine remaining in the urethra
(中和在尿道中的酸性尿)
seminal vesicles (儲精囊)，60%的精液 (semen)
prostate gland (前列腺)
Oogenesis
Primordial germ cell
(2n、IN EMBRYO )
ooginium
(2n、IN EMBRYO )
Primary oocyte (n、STARTING AT PUBERTY )
Secondary oocyte
(n、STARTING AT PUBERTY )
Fertilized egg (n、 sperm entry
)
only one of the four becomes an egg
Mammary Glands
small sacs of epithelial tissue secrete milk
not part of the reproductive system