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UROGENITAL > COMBO UROGENITAL > Flashcards

COMBO UROGENITAL Flashcards

1
Q

Broad ligaments of the uterus?

A

mesosalpynx mesoovarium mesometrium—>with parametric

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2
Q

derivatives of intermediate mesoderm?

A

intermediate mesoderm –>longitudinal ridge appears along dorsum of embryo=urogential ridge –>cells form urogenital ridge differentiate to form the = nephrogenic cord

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3
Q

Ductus derfferens: blood supply

A

umbilical A–>artery of ductus definers

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4
Q

Ductus derfferens: innervation

A

inferior hypogastic nerve plexus

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5
Q

Ductus derfferens: lymph drainage

A

lumbar lymph nodes

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6
Q

Spermatic cord: pathway

A

Starts: deep inguinal ring, Lateral to Inferior epigastric vessel Ends: superficial inguinal ring and joins posterior surface of testes

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7
Q

Ductus defferens : blood drainage

A

Pampiniform plexus Prostatic venous plexus Vesicles venous plexus

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8
Q

Seminal vesicle: location

A

Paired glands on the posterior surface of the bladder -> joins with Ampulla of ductus defferens to form the ejaculating duct which pierces the seminal collicle of Prostatic part of male urethra Seminal vesicle: role 70% of semen production -> lumen contains a high number of mucosa folds of pseudo stratified columnar epithelial with think tunica musculares ( 2 layers)

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9
Q

Male urinary bladder:

A

Medio lateral components of inferoposterior surface Ampulla of ductus defferens Seminal vesicle and it’s ejaculatory duct

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10
Q

Prostate : location

A

-> surrounded entirely by visceral layer of peritoneal fascia = Prostatic sheath * continuous with puboprostatic ligament (ant) and rectovesical septum ( post) - walnut shaped; largest accessory gland of male reproductive system - produces 30% of semen Found around neck of urinary bladder along Prostatic part of male urethra

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11
Q

Prostate: parts

A

Base Apex Lateral Lobes separated by isthmus Isthmus = composure of proststr/ anterior lobe of prostate Medial lobe

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12
Q

Prostate: surfaces

A

Anterior: faces public symphysis Posterior: faces rectum Inferolatral: faces levators ani Prostate: characteristics Lobular organ - presence of Transverse muscle fiber -> forms the rhabdosphincter - opening of Prostatic ducts around Prostatic sinus which surrounds the seminal collicle

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13
Q

Prostate : contents of medial lobe

A

Prostatic utricle Ejaculatory duct

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14
Q

Prostate: formation of isthmus of prostate

A

Continuation of fibers of internal urethral Sphincter

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15
Q

Prostate: blood supply

A

Internal Iliac artery - Inferior vesical a - internal pudendal - middle rectal

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16
Q

External female genitalia : attachments of clitoris

A

External female genitalia : attachments of clitoris

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17
Q

External female genitalia : blood drainage

A

Internal pudendal being External pudendal being Deep posterior vein of clitoris

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18
Q

External female genitalia : blood supply

A

Internal pudendal artery terminal branches

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19
Q

External female genitalia : clitoris

A

Anterior to urethral orifice
- formed the the crura of clitoris which meet mediocranially and fuse to form the body and glans of clitoris
* develops from primordial phallus
-> sensory erectile organ

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20
Q

External female genitalia : connections of labia majora

A

Anteriorly: anterior labial commisure Posteriorly: posterior labial commisure

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21
Q

External female genitalia : innervation

A

Pudendal nerve Ilioinguinal nerve Genitofemoral nerve

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22
Q

External female genitalia : labia minora

A

Bilateral lips that cover the vaginal vestibule
- Anteriorly they bifurcate and continue around the clitoris to form the: prepuce of clitoris & frenulum of clitoris
- Posteriorly they fuse to form: frenulum of labia minora
——————
Thin cutaneous folds that do not contain fat, only large sebaceous glands

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23
Q

External female genitalia : layers of labia majora

A

External pigmented skin with hair follicles Internally non keratinised epithelium with large sebaceous gkands

24
Q

External female genitalia: Mons pubis + Labia majora

A

Mons pubis
-fatty protection padoverthe pubic symphysis forprotection of the female during sexual intercourse Labiamajora
-continuation oftheMons pubis bilaterallythatcovers thebulbödvestibuleandprotects thevaginal vestibule
* bothdevelopfromlabioscrotal swellings of urogenital sinus

25
Q

External female genitalia: organs

A

Monspubis Labia majora
Clit o ris
Labia minora Urethra Vaginalorifice Vaginalvestibule Greater vestibular gland

26
Q

External female genitalia : vaginal vestibule

A

Contains the:

  • clitoris with frenulum and prepuce
  • External urethral orifice with paraurethral glands - vaginal orifice with hymen car uncle
  • greater vestibular gkands
27
Q

External genitalia: derivative genital tubercle

A

Primordial phallus

28
Q

External genitalia: derivative of cloacal membrane

A

Urogenital membrane

29
Q

External genitalia: derivative of urogenital folds

A

urethral folds

30
Q

xternal genitalia: female genitalia -> labioscrotal folds

A

Anterior fusion =
-> anteriorcommissure of labia majora -> mons pubis
Middle =
no fusion -> forms the labia majora Posteriorfusion =
-> posteriorlabial commisure

31
Q

External genitalia: female genitalia -> primordial phallus

A

Primordial phallus will develop into the clitoris

32
Q

External genitalia: female genitalia -> urethral folds

A

* urethral folds do not fuse
-> urogenital sinus will give rise to future vagina and hymen ONLY POSTERIOR PART FUSES = frenulum of labia minora -> unfused urethral folds = labia minora

33
Q

External genitalia: formation of male genitalia

A

Induced by testosterone from interstitial leydig cells of fetal testes

34
Q

External genitalia: in differential development

A

WEEK 9
Mesodermal thickening of the cloacal membrane forms 3ectodermal bulges
*** Fgf8 is expressedby cloacal ectodermwhichinitiation external genitalial differentiation -> gonadal tubercle (superiortothe cloacal membrane)
-> urogenital folds (whichsurroundthe cloacal membrane)
-> labioscrotal folds (whichsurroundthe urogenital folds)

35
Q

External genitalia: male genitalia -> labioscrotal folds

A

Labioscortal folds grow towards each other and form: SCROTUM; site of fusion = scrotal raphe
* scrotums are separated by a septa

36
Q

External genitalia: male genitalia -> primordial phallus

A

Primordial phallus elongates and gives rise to: penis
corpus cavernosum
corpus spongiosum

glans of penis
*** ectodermal covering of the primordial phallus gives rise to prepuce and skin of penis

37
Q

External genitalia: male genitalia -> urethral folds

A

Urethral folds will fuse and give rise to:
spongy male urethra
* Ectoderm at the site of fusion of urethral folds gives rise to: penile raphe

38
Q

Female urethra: blood supply

A

Internal pudendal artery - uterine artery
- inferior vesical artery

39
Q

Female urethra: development

A

endoderm of cranial end of urogenital sinus

40
Q

Female urethra: drainage

A

pudendal veins

41
Q

Female urethra: end

A

External urethral orifice in vaginal vestibule
-> surrounded by external urethral sphincter ( deep perineal muscle)
* skeletal muscle

42
Q

Female urethra: fixations

A

Urethropelvic ligament -> endopelvic fascia -> periurethral fascia

Suspensatory ligament of clitoris

43
Q

Female urethra: innervation

A

pudendal nerves

44
Q

Female urethra: layers

A

Epithelium: transitional with highly vascularised lamina proprietor Tunica musculares:

  • inner longitudinal
  • outer circular
45
Q

Female urethra: length

A

3-5cm

46
Q

Female urethra: start

A

internal urethral orifice

47
Q

Femoral canal

A

Smallest compartment of femoral sheath
-> conical shapes canal
Found in the lymphatic Laguna with Rosen-muller lymph nodes * only forms a femoral canal during true hernia

48
Q

Femoral canal borders:

A

superiorly: inguinal ligament and fascia lata Medially: accurate ligament
Laterally: femoral vein
Inferiorly: psoas fascia

Posteriorly: pectinate ligament

49
Q

Femoral canal : characteristics

A

Openings are lined by cribriform fascia
-> great saphienous vein pierces the canal and joins femoral vein thru saphenous hiatus

50
Q

Femoral canal : entrance

A

Femoral ring

51
Q

Femoral canal: exit

A

saphenous haitus

52
Q

Genital ducts: development of mesopnephros in males

A

Cranio-caudally:

  1. appendix of epididymis
  2. epidydymis
    - >some of the mesonephric tubules = efferent ductules 3. ductus defferent
  3. . seminal vesicle
53
Q

Genital ducts: development of paramesonephros in females

A

Lack of MIF allows differentiation of paramesonephros
Cranially = oviducts
Caudally = paramesonephric fusion to form: uterovaginal primordium
1. uterovaginal primordium comes into contact with urogenital sinus and forms a bulge on its posterior wall = mullerian tubercle
Uterovaginal primordium =
uterus
cervix
superior 1/3 of the vagina
—-
Fusion of the two paramesonephros result in formation of peritoneal folds
1. Broad ligament of uterus:
a. mesosalpynx
b. mesovarium
c. mesometrium -> development within = parametrium
2. Uterovesical pouch
3. Uterorectal pouch of Douglas
———————————————
Degeneration of mesonephros, cranio-caudally =
- appendix vesiculosa
- epoophoron (tubules)
- paroophoron (tubules)
- duct of garment (mesonephric duct)

54
Q

Genital ducts: indifferential genital ducts

A 
Paramesonephric duct (=mullerian duct): longitudinal epithelial invagination of antero-lateral surface of urogenital ridge
-\> crosses the mesonephric duct and develops caudo-medially where it will fuse (uterovaginal primordium) and form a bulge within the urogenital sinus = mullerian tubercle

Mesonephros (=wolffian duct): joins the urogenital sinus on either side of the mullerian tubercle

55
Q

Genital ducts: male development

A

Male genital ducts develop from the mesonephric ducts

  • > induction from testosterone of leydig cells by metal testes
  • > MIF of sertoli cells induce degeneration of paramesonephric duct —> rudiment =
    1. appendix of testes
    2. Prostatic utricle - male vagina
56
Q

Glands: development of bulbourethral gland

A

Develops as bilateral pea-sized outgrowths of penile part of spongy urethra

57
Q
A

UROGENITAL (1 decks)

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