Pregunta 1
Pregunta
The process by which the germ layers are formed is known as [blank_start]gastrulation[blank_end]
Pregunta 2
Pregunta
Name these layers that are formed in the very early stages of embryonic development
Pregunta 3
Pregunta
Name the following structures
Respuesta
-
Primitive node
-
Primitive streak
Pregunta 4
Pregunta
Mesoderm cells migrate through which structure to form the middle germ layer?
Respuesta
-
Primitive Streak
-
Hypoblast
-
Amniotic Yolk cells
-
Wall of amniotic cavity
Pregunta 5
Pregunta
After the formation of the mesoderm, it splits into three sections. Arrange them from medial to lateral:
[blank_start]Paraxial mesoderm[blank_end]
[blank_start]Intermediate mesoderm[blank_end]
[blank_start]Lateral plate of the mesoderm[blank_end]
Pregunta 6
Pregunta
The urogenital system develops from the [blank_start]intermediate mesoderm[blank_end].
Pregunta 7
Pregunta
Germ cells that are still to reach the gonads are known as [blank_start]Primordial[blank_end] Germ Cells (PGCs)
Pregunta 8
Pregunta
During weeks 4-6 of development, primordial germ cells migrate from the [blank_start]yolk sac[blank_end] to the [blank_start]intermediate mesoderm[blank_end] thus forming the [blank_start]primitive sex cords[blank_end]
Respuesta
-
primitive sex cords
-
mesonephric ducts
-
intermediate mesoderm
-
paraxial mesoderm
-
yolk sac
Pregunta 9
Pregunta
In terms of genital duct development:
The Wolffian ducts are also known as [blank_start]mesonephric ducts[blank_end]
The Mullerian ducts are also known as [blank_start]paramesonephric ducts[blank_end]
Respuesta
-
mesonephric ducts
-
paramesonephric ducts
-
paramesonephric ducts
-
mesonephric ducts
Pregunta 10
Pregunta
[blank_start]Mesonephric[blank_end] ducts form the male reproductive system
[blank_start]Paramesonephric[blank_end] ducts form the female reproductive system
Respuesta
-
Mesonephric
-
Paramesonephric
Pregunta 11
Pregunta
What are the two main types of germ cells found in males? (Name alphabetically)
[blank_start]Leydig[blank_end] cells
[blank_start]Sertoli[blank_end] cells
Pregunta 12
Pregunta
Leydig Cells produce [blank_start]Testosterone[blank_end]
Sertoli Cells produce [blank_start]Anti-Mullerian Hormone[blank_end]
Respuesta
-
Anti-Mullerian Hormone
-
Testosterone
Pregunta 13
Pregunta
Anti-Mullerian Hormone in males causes degradation of the [blank_start]Paramesonephric[blank_end] duct in males
Respuesta
-
Paramesonephric
-
Mesonephric
Pregunta 14
Pregunta
The structure of the developing testes that connects the mesonephric duct to the sex cords is called the [blank_start]Rete[blank_end] Testis
Pregunta 15
Pregunta
Which hormone induces formation of epididymis, vas deferens, seminal vesicles?
[blank_start]Testosterone[blank_end]
Pregunta 16
Pregunta
Which type of testosterone stimulates the development of the male external genitalia?
Respuesta
-
Dihydrotestosterone
-
Methyltestosterone
-
Fluoxymesterone
Pregunta 17
Pregunta
The testes originate at the posterior abdominal wall, around the area of which vertebral level?
Pregunta 18
Pregunta
Which of the three male accessory glands develops as part of the mesonephric ducts?
Respuesta
-
Seminal vesicles
-
Prostate gland
-
Bulbourethral glands
Pregunta 19
Pregunta
Which hormone triggers the development of the paramesonephric ducts in females?
[blank_start]Oestrogen[blank_end]
Pregunta 20
Pregunta
Which three of the following structures are formed by the paramesonephric ducts?
Respuesta
-
Fallopian Tubes
-
Uterus
-
Ovaries
-
Superior Vagina
-
Inferior Vagina
Pregunta 21
Pregunta
Which germ layer is the external genitalia of the female formed from?
Respuesta
-
Ectoderm
-
Mesoderm
-
Endoderm
Pregunta 22
Pregunta
Abnormal position of external urethral orifice is known clinically as [blank_start]hypospadias[blank_end]