Development of the olfactory epithelia of the African clawed frog, Xenopus laevis, was studied by scanning and transmission electron microscopy. Stages examined ranged from hatching through the end of metamorphosis. The larval olfactory organ consists of two chambers, the principal cavity and the ...
organ in our head. When any of us are first born we are born helpless. However, we are born with adaptable brains. For about the next two years our brains are unfinished, so human babies are born much more dependent than other mammals who are often born able to walk, swim, or stand...
Sottek At least fifty calves and three human beings are living with no pulse in their bodies, thanks to an artificial pump that replaced their naturally-grown hearts, as detailed in a story from Popular Science. Doctors Bud Frazier and Billy Cohn devised the artificial organ, and […] ...
Using just your device, you can perform dissections (virtually, of course — no frogs were harmed in the making of this app!) and examine a frog's intricate organ systems, layer by layer. Learning Made Fun (and Froggy): Ever wondered how a frog breathes, eats, or leaps? Froggipedia ...
(Monday is Mexican Independence Day). I noted that my next trapping location at Aguirre Springs Campground in the Organ Mountains-Desert Peaks National Monument was another 2-hour drive, but that I had plenty of time to make it there before dark—even if I stopped and collected along the ...
The brain, the most complex and fascinating organ, is a focal point for studying development and evolution1. The pallium, especially the dorsal pallium, largely differs in each lineage of vertebrates: it is absent as a morphological entity in amphioxus2and is present as only a layered area ...
From the beginning, Rondo, which Bard ran in partnership with Nick Lany, ran two main release series, the 550s for polka bands and the 100s for piano and organ music (though the 100s later became a general pop series). Through the end of 1947, Rondo got by on regional sales with a...
The largest of them waylays the Narbonne Lycosa (Known also as the Black-bellied Tarantula–Translator’s Note.), whose burrow is not infrequent in the harmas. This burrow is a vertical well, with a curb of fescue-grass intertwined with silk. You can see the eyes of the mighty Spider ...
The genusCricetomys(to whichC. gambianusbelongs) is the most widely distributed rodent on tropical- and subtropical Africa42,98,99. It weighs as much as 2.8 kg100,101, grows to a body length of ~1 meter102and is amongst the largest muroid species100,101,102. With a longevity of ~13.5...