Teat

Question 1

Submucosal venous plexus and ring

Answer 1

The plexus is in the teat wall. The ring incompletely divides the gland sinus and the teat sinus.

Question 2

Furstenburg’s rosette

Answer 2

Do a cross-sectional cut of teat, then turn it inside out, you see a rosette

Question 3

Teat sinus

Answer 3

The space inside the teat. Once get past the mucosal fold (has the submucosal venous ring), then you have the gland sinus.

Both make up the lactiferous sinus

Question 4

Papillary duct/teat canal

Answer 4

The very tip of the teat, ventral to the teat sinus

Question 5

External smooth muscle sphincter

Answer 5

At the very tip of the teat, surrounds the papillary duct