At hatching, a typical salamander larva has eyes without lids, teeth in both upper and lower jaws, three pairs of feathery external gills and a long, somewhat laterally flattened body and tail with dorsal and ventral fins.

At about the male's dorsal fin is more than twice the size of the female's and is more of a triangular shape — a tall, elongated isosceles triangle — whereas hers is shorter and more curved.

At first observation, the day after the operation, the back of Head's hand and the dorsal surface of his thumb were seen to be " completely insensitive to stimulation with cotton wool, to pricking with a pin, and to all degrees of heat and cold.

At the onset of gastrulation presumptive mesodermal cells move through the dorsal blastopore lip and form a layer in between the endoderm and the ectoderm.

At the dorsal end of the neural tube, BMPs are responsible for neuronal patterning.

At the dorsal and ventral aspect of the lumen are vomeronasal glands, which fill the vomeronasal lumen with fluid.

Rhinoplasty: At 3-days post-operative, the patient wearing his nasal Splint ( medicine ) | splint after a dorsal bone reduction, re-setting, and nasal-tip refinement.

At midbody, there are 23-27 rows of dorsal scales.

* At the ventral end of the embryo, blastoderm nuclei exposed to high concentrations of dorsal protein induce the transcription of twist and snail while repressing zerknüllt & decapentaplegic.

At the medial leminiscus, axons from the leg are more ventral, and axons from the arm are more dorsal.

At the tip of the abdomen there are two prolegs, each with a dorsal filament and a pair of terminal hooks which enables the larva to anchor itself in fast-flowing water.

At midbody, the dorsal scales number 21-46.

At the pool's far end was the little cabana Joyce had mentioned, and on the water's surface floated scattered lavender patches of limp-looking lather.

At either end and in the center there are bays which contain nine greater alcoves as frescoed and capacious as church apses.

At the beginning of the play she has partial illumination and at the end she has complete illumination, but there has been no question but that she moves toward the dark.

At four-o'clock, or four-thirty, the coming of the newsboy marked the end of the day ; ;

At the end of this period two pious Christians in Rome receive the revelation which leads them to seek the next Pope on the rock.

At the end of World War 2,, free Europe was ready for a new beginning.

At the very end, when the audience was silent and breathless, a collection was taken and then slowly everyone filed out.

At the end of the monologue the audience would applaud.

At the end of a shaft of light, the pews appeared to be broad stairs in a long dungeon.

At the end of the room there was a desk heaped with papers, and she began to riffle these, making sighs and and noises of girlish exasperation.

At the other end of the spectrum, where the more advanced countries can be relied upon to make well thought through decisions as to project priorities within a consistent program, we should be prepared to depart substantially from detailed project approval as the basis for granting assistance and to move toward long-term support, in cooperation with other developed countries, of the essential foreign exchange requirements of the country's development program.

At the end of its letter was the information that applicants for this position `` must also be prepared to teach costume design and advertising art ''.

At the end of the run, the strips in the third and sixth positions in each chamber were dried, stained for 1 hr, washed and dried, while the other strips were maintained in a horizontal position at 1-degree-C.

At the end of work one day, the personnel man took the applicants one at a time, asked them to sit behind the receptionist's desk and he then played the role of a number of people who might come to the receptionist with a number of queries and for a number of purposes.

At the end of this pass, the table indicates which index words and electronic switches are not available for assignment to symbolic references.

At the same time, every device that can be employed to reduce the number of variables is of the greatest value, and it is one of the attractive features of dynamic programming that room is left for ingenuity in using the special features of the problem to this end.

At the end of the calculated time he'd nose the Waco down through the cloud bank and hope to break through where some feature of the winter landscape would be recognizable.

At the end of the performance, Dave and Max came out into the brilliantly lit foyer among a surge of gowned and tuxedoed first nighters.

At the end of the half-hour, racking his brains, thinking over and over again of Kitti, her friends, her past, he left the bedroom.

At the end of the corridor Alec noticed a door marked: Fire Stairs.

At the end of the program, indeed, there was a demonstration that lasted for forty-five minutes, and nothing could stop it.

At war's end leadership in Western Europe passed from Britain because the Labour Government devoted its attention to the creation of a welfare state.

At the end of the Devonian period (), the seas, rivers and lakes were teeming with life but the land was the realm of early plants and devoid of vertebrates though some, such as Ichthyostega, may have sometimes hauled themselves out of the water.

At the American publisher's insistence, Burgess allowed their editors to cut the redeeming final chapter from the U. S. version, so that the tale would end on a darker note, with Alex succumbing to his violent, reckless nature — an ending which the publisher insisted would be ' more realistic ' and appealing to a U. S. audience.

At the end of World War II the US Army occupied Obersalzberg, to prevent Hitler from retreating with the Wehrmacht into the mountains.

At this time, the embryo usually consists of 50 cells.

At left is an embryo 4 weeks after fertilization ( i. e. 6 weeks gestational age | LMP ).

At the point of constriction where the primitive digestive tube of the embryo joins the yolk sac a reflection or folding upward of the somatopleure takes place.

At that time, the embryo of Bangladesh Air Force ( BAF ) was formed with less than hundred officers and airmen.

At first, the nuclei of the early embryo rapidly and synchronously divide in the " syncytial " blastoderm and then migrate through the cytoplasm and position themselves in a monolayer around the periphery, leaving only a small number of nuclei in the center of the egg, which will become yolk nuclei.

At this time, segments of the embryo become visible, creating a striped arrangement along the anterior-posterior axis.

At this time, the embryo has well-developed external gills and a spiral valve intestine.

At a length of, the embryo grows two massive, recurved " fangs " in the lower jaw for tearing open capsules, as well as two much smaller teeth in the upper jaw.

At long, the embryo appears pink because it lacks pigment except in its eyes, and its head and gill region are laterally enlarged and gelatinous.