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27 Cards in this Set
- Front
- Back
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Testicular lobule 6x
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seminiferous tubules
intestitial connective tissue with macrophages Leydig cells blood vessels nerve fibers |
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Semiferous tubule 6x
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Tunica propria
-basal lamina -thin layer of collagen fibrils -myoid cells -thin layer of lymphatic capillaries Semiferous (germinal) epithelium |
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Semiferous epithelium 2x
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Spermatigenic cells
Sertoli cells |
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Spermatogenic cells 4x
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Spermatogonia A,B
primary spermatocytes secondary spermatocytes spermatids |
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Spermatogenic cells feutures 7x
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round cell spherical nucleus
scarce organells (exeption spermatids) -Dark spermatogonia A: stem cells, dark, dispersed chromatin -Pale spermatogonia A: pale dispersed chromatin -Spermatogonia B: dense clumps of chromatin, big nucleolus Primary spermatocytes: indistinct, short life span -Spermatids: smallest cells, dense nucleus, more organelles |
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Spermatigenesis 6 x
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Formation acrosome
Formation of flagellum- axoneme and surrounding fibrous structures Condensation Nucleus Formation of mitochondrial sheath Formation of speialized cell membrane domains Removal excessive cytoplasm-cytoplasmic droplet |
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Spertmatogenesis chronological phases 4x
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Golgi phase
Cap phase Acrosomal phase Maturation Phase |
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Mature Spermatozoon
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Head=Acrosome + nucleus
TAIL: Neck connecting centrioles 9 protein columns MIddle: Aoneme: mitochondrial sheath |
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Sertoli cells
STATS |
Ser,RER, Golgi
Cytoskeleton Cell j lipid roplets Lateral and apical infoldings |
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Sertoli cell
Function |
Support spermatogenic cells
Phagocytosis residual bodies Blood Testis Barrier |
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Sertoli cell
Synthesis |
androgen- binding protein
Inhibitin- (vs FSH) transferrin During fetal development anti mullerian hormone |
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Blood-testis barrier
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Tight J between sertolli c folds
Separates in semiferous tubule Basal compartement with spermatogoniaand (starters) Adluminal compartments with spermatogenic cells MAIN TASK PROTECT spermatogenic cells from imune system |
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Leydig cells steroid production
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contain large protein crtstaks if Reinke
Testo Beta-TGF MSH, Endorphins Renin |
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Regulation paracrine talk starring:
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spermatogenic cells
sertoli cells peritubular (myoid) cells leydig cells testicular macrophages |
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Tubule recti highway to rete testis for sperm gathering Stats:
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simple columnar epithelium
basal lamina myoid cells |
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Rete testis
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simple cuboidal epith
basal lamina |
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Epidydymis Head:
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Head:
columnar cuboidal epithelium basal lamina smooth muscle |
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Epidydymis epithelium
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Ciliated columnar cells
nonceliated cuboidal (secretion/resorption) Basal (stem) cell |
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Epidydymis body and tail
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wall:
pseudostrafied epit w stereocilia b.l smootm m layer |
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Ductus deferens Mucosa
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pseudostratified epith
b.l lamina propria |
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ductus deferens muscularis (thick)
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longitudinal layer
circular layer extra fibrous adventitia |
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Seminal vesicles production
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70% seminal fluid
fructose prostaglandins proteins |
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Seminal vesicles stats
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pseudostratified epithelium
b.l fibroelastic c.t smooth musacle coat |
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Prostate production
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20% seminal fluid
proteolytic enzymes acid phosphatase lipids citric acid PSA- specific antigen |
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Prostate Stats
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simple columnar
b.l c.t stroma Smooth m |
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Bulbourethral glands
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tubular secretory portions
-columnar mucos secretory cells -b.l Ducts simple cuboidal C.t CAPSULE and Septa w skel muscle |
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Erectile tissue
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corpus cavernosum+ corpus spongiosum=boner
Network of sinusoidal cascular spaces seperated by c.t trabeculae containing smooth m |
