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.
Three Months Old. When puppies reach approximately 3 months in age, they'll still require oodles of sleep, although not quite as much as wee newborns. For optimal health and energy, puppies need to receive between 15 and 20 hours of sleep time within the span of a single day, notes the Eagle Valley Humane Society. If your puppies are off in dreamland for 20 hours of the day, it is no cause for alarm, so breathe easy.