kidney dvmpt

Question 1

Internal mesoderm derivitatives ?

Answer 1

urogenital system including gonads, ducts and accessory glands

Question 2

most of the urogenital system is derived from where ?

Answer 2

intermediate mesoderm

Question 3

Which week does development of urogenital system (UG) begin at ?

Answer 3

week 4

Question 4

UG development begins with what ?

Answer 4

• formation of the urogenital ridge within the intermediate mesoderm
• differentiates into medial genital ridge and a lateral nephrogenic ridge or cord

Question 5

what gives rise to most of the urinary system ?

Answer 5

nephrogenic cord (ridge)

Question 6

Where is mesonephric/nephric/wolffian duct induced from ?

Answer 6

rostal region of the intermediate mesoderm and begins to elongate caudally

Question 7

mesonephric duct forms as ?

Answer 7

condensation of mesoderm

Question 8

paramesonephric duct forms as ?

Answer 8

invagination of the surface of urogenital ridge

Question 9

Starting in the ..1.. and progressing ..2.., the nephrogenic cord develops into three sets of ..3… structures,

representing the three stages of kidney development, which are what ? (4)

Answer 9

1. cranial area
2. caudally
3. tubular nephric
4. pronephros, mesonephros, metanephros