ethmoidal foramina, foraÂ´mina ethmoidaÂ´lia small openings in the ethmoid bone at the junction of the medial wall with the roof of the orbit, the anterior transmitting the nasal branch of the ophthalmic nerve and the anterior ethmoid vessels, the posterior transmitting the posterior ethmoid vessels.oramen rotunÂ´dum a round opening in the great wing of the sphenoid for the maxillary branch of the trigeminal nerve. sacral foramina, anterior eight passages (four on each side) on the pelvic surface of the sacrum for the anterior branches of the sacral nerves.
As a veterinarian, I commonly hear that new puppy owners are alarmed by just how much a puppy sleeps. Dogs of all ages sleep more than us humans (lucky dogs, indeed), but the average number of hours puppies sleep a day is 16 to 18 â or even more.
1 Sleep â Puppies that are 12 weeks old sleep approximately 18 to 20 hours per day. 2  The rest is spent eating, playing and eliminating. 3  Physical Appearance & Hair Coat â 12-week-old puppies have a very soft baby hair coat and do very little shedding. Sleep â Puppies that are 12 weeks old sleep approximately 18 to 20 hours per day. 2  The rest is spent eating, playing and eliminating. 3  Physical Appearance & Hair Coat â 12-week-old puppies have a very soft baby hair coat and do very little shedding.