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Embryology > Development of Hindgut > Flashcards

Development of Hindgut Flashcards

1
Q

Hindgut Diverticulum

A

allantois

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2
Q

Hindgut divided into two by

A

Urorectal septum

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3
Q

Urorectal septum divides _____ into two

A

Hindgut

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4
Q

Two parts of Hindgut

A

Primitive urogenital sinus and Primitive rectum

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5
Q

Primitive urogenital sinus - parts

A

Vesicourethral sinus and Definitie Urogenital sinus

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6
Q

Primitive rectum forms

A

Rectum and anal canal till pectinate line

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7
Q

Anal membrane formed from

A

dorsal cloacal membrane

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8
Q

Junction of Hindgut and Proctodaeum

A

Pectinate line

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9
Q

Pectinate line - location

A

Junction of Hindgut and Proctodaeum

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10
Q

Vesicourethral sinus - parts

A

Vesicle part and Urethral part

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11
Q

Vesicle part of Vesicourethral sinus gives rise to

A

Bladder

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12
Q

Bladder - origin

A

Vesicle part of Vesicourethral sinus - Endoderm

Trigone of bladder - Mesodermal.

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13
Q

Trigone of bladder - origin

A

Mesoderm - absorption of Mesonephric duct

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14
Q

Absorption of Mesonephric duct - gives rise to

A

Trigone of bladder

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15
Q

Definitie Urogenital sinus - parts

A

Pelvic and phallic part

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16
Q

Urethra - origin in males

A

Prostatic urethra - Urethral part of vesicourethral sinus
Membranous urethra - Pelvic part of UG sinus
Penile urethra - Phallic part of UG sinus

17
Q

Urethra - origin in females

A

Urethral part of vesicourethral sinus and Pelvic part of UG sinus.

18
Q

What happens to Phallic part of UG sinus in females

A

forms Vestibule.

19
Q

Anal canal derived from

A

Primitive rectum and Proctadeum.

20
Q

Patent urachus

A

Urachus fistula - urine at umbilicus

21
Q

Urine at umbilicus is seen in

A

Patent Urachus or Urachus fistula.

22
Q

Urachus is formed by

A

Allantois

Embryology (16 decks)

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