Udder

Question 1

Breakdown of the ? and ? suspensory laminae of the udder may occur due to excessive strain of the ? apparatus

Answer 1

Medial, lateral, suspensory

Question 2

Are the duct systems of the four quarters independent or dependent with eachother?

Answer 2

Independent of eachother but infection can spread ipsilaterally

Question 3

What is the “milk vein”?

Answer 3

Superficial cranial epigastric vein or subcutaneous abdominal vein

Question 4

What is the main supply of blood to the udder in bovine?

Answer 4

external pudendal a/v

Question 5

In a heifer, there are/are not direct connections between cranial and caudal superficial epigastric veins?

Answer 5

There are no direct connections between the cran. and caud. superficial epigastric veins.

Question 6

When does the formation of the subcutaneous abdominal (milk) vein occur?

Answer 6

After pregnancy when the veins become distended and their valves become insufficient.

Question 7

Which nerve carries most sensory information from the udder, which is essential for milk production and milk release?

Answer 7

Genitofemoral (L2-4).

Question 8

What lymph nodes drain the udder?

Answer 8

Mammary superficial inguinal lymph nodes which drain into the deep inguinal lymph nodes

Question 9

What are the three major nerves involved with innervation of the udder?

Answer 9

1. Genitofemoral (major innervation)
2. Iliohypogastric
3. Ventral perineal

Question 10

1

Answer 10

gland sinus

Question 11

2

Answer 11

Teat sinus

Question 12

1+2

Answer 12

Lactiferous sinus

Question 13

3

Answer 13

opening of lactiferous ducts

Question 14

5

Answer 14

teat canal

Question 15

7

Answer 15

teat orifice

Question 16

8

Answer 16

rosette of furstenberg

Question 17

what divides the halves of the udder in both eq and bo?

Answer 17

an intermammary groove