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39 Cards in this Set

  • Front
  • Back
Male Reproductive system
Testes
Genital passages
accessory genital glands
Penis
Functions of the testes are?
spermatogenesis and testosterone secretion
Each testis is covered by thick fibrous capsule called?
tunica albuginea
the whole testes is covered outside its capsule by visceral layer of serous membrane called?
tunica vaginalis
Stroma is made up of
1. tunica albuginea
2, septula testis
3. intertubular or interstitial CT
Parenchyma is made up of
Convolutede seminiferous tubules: where spermatozoa forms
Parenchyma is also made up of?
spermatogenic cells: process by which sperm cells are formed is called spermatogenesis, and is under control of FSH
Spermatogonia differentiate to?
primary spermatocytes- these are larger cells that divide by meiosis (FIRST MATURATION DIVISION)
Primary spermatocytes give rise to?
Secondary spermatocytes- cells lie closer to lumen of seminiferous tubule, they divide by meiosis(SECOND MATURATION DIVISION)
Secondary spermatocytes give rise to?
Spermatids- lie closest to lumen and are small ovoid cells- THEY CHANGE THEIR SHAPE(METAMORPHOSIS) along a series of steps.
Spermatozoa made up of head, neck, middle piece and tail, the head contains?
nucleus with 23 chromosomes
the heads of the spermatozoa produce an enzyme called?
Hyaluronidase- helps penetrate of sperm into the ovum
Process by which spermatogonia develop to develops to spermatids?
spermatocytogenesis
metamorphosis of spermatids to spermatozoa is?
spermiogenesis
Intersitial cells (Leidig cells) secrete what make hormone? and are _______ of ICHS of pituitary gland?
testosterone
under the influence
Male genital passages are?
1. tubuli rectae
2. rete testis
3. ductuli efferentis
4. duct of epididymis
5. vas deferens
6. ejac duct
Tubuli rectae
straight tubules, first to receive spermatozoa, lined with tall co,umnar
rete testis
irregular spaces in mediastinum testis, receive spermatozoa from tubuli rectae
simple squam to low cuboidal
ductuli efferentis
receive from rete testis, alternating columnar and cuboidal, majority are ciliated
Duct of epididymis
Site of storage of spermatozoa
Vas deferens
continuation of epididymis, muscular, made up of mucosa, musculosa, adventitia
*accompanied by group structures of spermatic cord
Ejaculatory duct
terminates into prostatic urethra, same structure as vas def.
Male genital glands consist of?
seminle vesicle
prostate
bulbourethral gland
Seminle vesicle
represent diverticual at terminal end of each vas deferens. *seminle vesicles secrete a viscid secretion rich in sugar fructose, nourishes the spermatozoa
Prostate
lies under the baldder. surrounding first part of urethra.
Prostate gland is made up of
stroma and parenchyma
the parenchyma of prostate is made up of
prostatic acini: lined with simple epithelium from cuboidal to pseudostratified.
2. ducts of prostatic acini
3. prostatic urethra
Prostate secretes?
milky secretion rich in citric acid, phosphatase and proteolytic enzymes
Bulbourethra glands (of Cowper)
compound tubulo-alveolar glands, lie behind membranous urethra, ducts open into proximal part of penile urethra
Bulbourethra gland is made of ?
stroma and parenchyma
Parenchyma is composed of Acini and Ducts. The acini is lined with?
cuboidal to columnar epithelium secreting mucus
the ducts of prostate gland is lined with?
variety of simple epithelium
Penis- skin that makes a fold over the glans penis is called the ?
prepuce
main substance of penis is made up of 3 erectile bodies. Two aree partially connected called?
corpora cavernosa
the other body located ventrfal to the cavernosa is called?
corpus spongiosum
Cavenosa covered by a tough capsule called?
tunica albuginea
cavernosa made up of multiple irregular endothelial lined spaces called?
cavernous blood spaces
CT between cavernous spaces is rich in?
elastic, collagen, and smooth muscle fibers
Corpus spongiosum terminal end expands to?
form the glans penis, and contains penile urethra