10 BÜCHER, DIE MIT «PREMAXILLAE» IM ZUSAMMENHANG STEHEN
Entdecke den Gebrauch von
premaxillae in der folgenden bibliographischen Auswahl. Bücher, die mit
premaxillae im Zusammenhang stehen und kurze Auszüge derselben, um seinen Gebrauch in der Literatur kontextbezogen darzustellen.
They usually bear the teeth of the upper jaw, although, in some mammals, teeth
are also born on the premaxillae. In man, the two maxillae usually unite before
birth to form a single bone which we know as the upper jaw. Each half of this
united ...
Spencer Wilkie Tinker,
1988
5-146), but cyprinoids have protrusible premaxillae. Instead of merely swinging
forward with the maxillae as in herring (Fig. 5- 14c) they move bodily forward,
away from the maxillae to which they are connected only by extensible skin (Fig.
6-9) ...
R. McNeill Alexander,
1981
3
Oceanic Anglerfishes: Extraordinary Diversity in the Deep Sea
articular processes of the premaxillae. The distal ends of the premaxillary
processes are loosely attached to the maxillae by ligaments and also to
semispherical, anteriorly directed projections of the ethmoid cartilage by
connective tissue.
Theodore W. Pietsch,
2009
A. Fusion of Premaxillae. — Primitively in tetrapods, the premaxillary bones are
paired. Two premaxillae are considered to be primitive (0) and fused premaxillae
derived (1). Fusion of the premaxillae is an ontogenetic phenomenon in some ...
William E. Duellman,
1994
5
Origins of the Higher Groups of Tetrapods: Controversy and ...
The premaxillae overlap the maxillae for a short distance anteriorly, but most of
the ventral borders of the external nares are formed by the maxillae. In all other
birds including the Hesper- ornithiformes, the premaxillae contact the nasals and
...
Hans-Peter Schultze, Linda Trueb,
1991
6
Tyrannosaurus Rex, the Tyrant King
born (1905, 1906, 1912), Molnar (1991), Brochu (2003), and Hurum and Sabath (
2003), but visible in BHI 3033, include a scalloped region of ridges on the
articular surface shared by the right and left premaxillae. This scalloped region is
...
Peter L. Larson, Kenneth Carpenter,
2008
7
The Evolution of Artiodactyls
The shape of the premaxillae relates to the mode of food collection (Solounias
and Moelleken, 1993a, 1993b). There are three predominant types of
premaxillary shape: pointed, flat, or in between. The browsers have pointed
premaxillae (Fig.
Donald R. Prothero, Scott E. Foss,
2007
8
Lothagam: The Dawn of Humanity in Eastern Africa
The snout of Euthecodon slopes evenly from the promontorium toward the
premaxillae until, near the level of the premaxilla/maxilla suture, the tip is
redirected upward. As a result, the external nares lie on a raised premaxillary
pedestal, much ...
Meave G. Leakey, John Michael Harris,
2013
9
Hadrosaurian Dinosaurs of North America
The anteriOr cutting margin of the premaxillae has denticulate processes, two
pronounced and two or three less marked ones on either side of the midline. This
is true of the Cope skull but is not in evidence in the Yale specimen of A.
10
Mouse Development: Patterning, Morphogenesis, and Organogenesis
Nasal bones do not form: The dorsal nasal region is represented by premaxillae
that meet each other at the midline and the frontals caudally. Ventrally. the
premaxillae meet without generating a true primary palate. Supernumerary
incisors are ...
Janet Rossant, Patrick P. L. Tam,
2002
10 NACHRICHTEN, IN DENEN DER BEGRIFF «PREMAXILLAE» VORKOMMT
Erfahre, worüber man in den einheimischen und internationalen Medien spricht und wie der Begriff
premaxillae im Kontext der folgenden Nachrichten gebraucht wird.
A New Oviraptorid Dinosaur (Dinosauria: Oviraptorosauria) from the …
The skull is highly pneumatic, especially the anterodorsal portion of the skull roof that includes the nasals, lacrimals and premaxillae. «Nature.com, Jul 15»
Jurassic World inspired Scientist transformed chicken into …
... most primitive stem avian with a modernized beak in the form of fused, elongate premaxillae, also possesses a modern bird palatine bone. «Inferse, Mai 15»
Scientists Created a Dino-Skulled Chicken to Explore Evolution
In some embryos, the premaxillae were partly fused, whereas in others the two bones were distinct and much shorter; some of the altered ... «NOVA Next, Mai 15»
Dino Snouts from Chicken Beaks
The interrupted gene expression pathways are involved in transforming birds' premaxillae—facial bones that for part of the upper jaw in most ... «The Scientist, Mai 15»
Bird beak to dinosaur snout
Early in bird evolution, the twin bones that form the snout in dinosaurs and reptiles — the premaxillae — grew longer and joined together, ... «Nature.com, Mai 15»
Can Scientists Turn Birds Back Into Dinosaur Ancestors?
Instead, their premaxillae became an unfused pair of bones–a lot like you might find in living beakless relatives of birds, such as alligators. «National Geographic, Mai 15»
Oldest Whale Fossil Provides Date for East Africa's Uplift
Mead unearthed the beak portion of the skull, 2.6 feet long and 1.8 feet wide, specifically the maxillae and premaxillae, the bones that form the ... «Laboratory Equipment, Mär 15»
The Atomic Worm-Lizard and Other Aprasia Flapfoots
... detail pertaining to these lizards is that they have sexually dimorphic teeth: males have teeth in their premaxillae while females (usually) don't ... «Scientific American, Mär 15»
The Tet Zoo Guide to Gazelle Camels
... by prominent, deep, anteroposteriorly elongate maxillary fossae, and they also possess long posterior processes on their premaxillae. «Scientific American, Feb 15»
Parsley frogs: spadefoots without spades
Numerous small teeth are present in both the premaxillae and maxillae, their number and exact position varying between the species (Sanchiz ... «Scientific American, Dez 14»