The excretory system of a typical Vertebrate consists of the following parts:-- 1.
Thus, in ourselves and in other vertebrateanimals the sensitive part of the eye, known as the retina, is formed from two lateral lobes of the front part of the primitive brain.
This fact was made out for vertebrate animals by the great embryologist Von Baer; and the Russian naturalist Kowalevsky, to whose researches I have already alluded, shewed that this was true for a large number of invertebrate animals.
In the younger embryo the cerebrum is a single lobe, as it is in the brains of all Vertebrate embryos; but in the older larva it is anteriorly (Plate 37, fig.
Thacker, "Median and Paired Fins; a Contribution to the History of the Vertebrate Limbs," Trans.
All the large-yolked vertebrate ova appear then to agree very well with Elasmobranchii in presenting during some period of their development the two membranes above mentioned.
Vertebrate animals give rise to phosphatic deposits formed sometimes of their excrement, as in guano and coprolites, sometimes of an accumulation of their bones.
It was among the vertebrate organisms of the Paris basin that he found his chief material, and from them that he prepared the memoirs which led to him being regarded as the founder of vertebrate palaeontology.
The droppings of fishes and reptiles, called coprolites, are excellent fossils, and tell their tale as to the presence and food of vertebrate life in ancient waters.
We see an interminable series of forms, changing from age to age, becoming more and more complex in their relations, but pressing forward constantly to final production of man as the perfection of the vertebrate type.
From two or three mineral substances his bones are crystalized, and articulated as the bones of all vertebrate animals, and over them the muscles are extended.
Vertebrate Zoology -- mainly a course in comparative morphology, which gives no field knowledge of California vertebrates, the most essential thing for the high school teacher.
Of the courses in Invertebrate Zoology and Vertebrate Zoology, it can be safely said that they overlook the importance of field work.
Such training would have to be obtained through some of the field work of the Museum of Vertebrate zoology.
The vertebrate sub-kingdom furnishes many examples of the same kind.
The history of the development of any other vertebrate animal, Lizard, Snake, Frog, or Fish, tells the same story.
First invertebrate life, then the lowest forms of vertebrate life.
Animal life largely invertebrate; but amphibians and reptiles among the vertebrate appear at the close.
The manuscript, as it lies before me, is entitled: "On the Geology and Vertebrate Palaeontology of the Cretaceous Strata of Kansas.
The bones of vertebrate fossils preserved in this bed are often much injured by the gypsum formation which covers their surface and often penetrates them in every direction.
New discoveries of vertebrate life of the ice age.
Although favorably disposed to the doctrine of the transmutation of the animalic forms, I want a complete proof before I can believe in a transformation of the vertebrate type into that of the mollusca.
A beetle could not be transformed into a vertebrate animal: it could not even become a grasshopper or a butterfly; but it could change into a new species of beetle, although only at first into a species of the same genus.
Defn: The science which treats of the bones of the vertebrate skeleton.
Defn: The inner, or visceral, one of the two lamellæ into which the vertebrate blastoderm divides on either side of the notochord, and from which the walls of the enteric canal and the umbilical vesicle are developed.
Defn: An oviparous, vertebrate animal usually having fins and a covering scales or plates.
Defn: The outer, or parietal, one of the two lamellæ into which the vertebrate blastoderm divides on either side of the notochord, and from which the walls of the body and the amnion are developed.
Defn: A red-colored respiratory pigment found associated with hemoglobin in the muscle tissue of a large number of animals, both vertebrate and invertebrate.
The bony and cartilaginous framework which supports the soft parts of a vertebrate animal.
Defn: A metamere of the vertebrate skeleton; an osteomere; a vertebra.
Defn: One of the serial segments, or metameres, of which the bodies of vertebrate and articulate animals are composed.
Defn: The deep-seated parts of the vertebrate skeleton which are relation with the nervous axis and locomation.
Defn: The skeleton of the head of a vertebrate animal, including the brain case, or cranium, and the bones and cartilages of the face and mouth.
Defn: The normal coloring matter of the red blood corpuscles of vertebrate animals.
It first appears in a high degree with the complete nervous system of vertebrate animals, and always in a higher degree the more intelligence develops.
In the preceding chapter the primitive cartilaginous vertebrate skeleton, as found in Ammocoetes, was shown to correspond in a marvellous manner to the cartilaginous skeleton of Limulus.
These two sets of muscle-segments correspond in the vertebrateto the somatic and splanchnic segmentations.
Reasons have been given why our attention should be fixed upon the king-crab rather than on the lobster on the invertebrate side; what is the most likely animal on the vertebrate side?
Comparison of the vertebrateand arthropod central nervous systems.
He wrote several important memoirs on "Vertebrate Paleontology," and in 1887 published "The Origin of the Fittest.
But can one say that the vertebrate animal, whose nervous system is placed above the digestive canal, is fashioned after the same plan as the mollusk, whose digestive canal is placed above the nervous system?
The analogy is no greater between him and a reptile or a bird, than it is between all vertebrate animals.
The earliest known vertebrate remains are those of Fishes; and Fishes are the most homogeneous of the vertebrata.
The civilized European departs more widely from the vertebrate archetype than does the savage.
In the developed vertebrate animal, they have little function beyond that of conveying impressions to, and executing the determinations of, the larger centres.
If any specific comparison were made, which it cannot rationally be, it would be made with some much lower vertebrate form than the human.
Strange as the assertion will be thought, our Houses of Parliament discharge, in the social economy, functions which are in sundry respects comparable to those discharged by the cerebral masses in a vertebrate animal.
The above parallel is one between the most-developed systems of governmental organization, individual and social; and the vertebrate type is instanced merely as exhibiting this most-developed system.
The evidence that the vertebrate fauna, as a whole, has become more heterogeneous, is considerably stronger.
Thus the "mulberry-mass" into which a fertilized ovum of a vertebrate animal first resolves itself, soon begins to exhibit a difference between the outer and inner parts answering to the difference of circumstances.
Hardly any expressive movement is so general as the involuntary erection of the hairs, feathers and other dermal appendages; for it is common throughout three of the great vertebrate classes.
We thus see how generally throughout the two higher vertebrate classes, and with some reptiles, the dermal appendages are erected under the influence of anger and fear.
Let us suppose we are fitting up a taxidermic laboratory in which to mount all kinds of vertebrate animals, great and small.
The most important vertebrateforms are being rapidly swept off the face of the earth by firearms, traps, and other engines of destruction.
The vertebrate zoologist glories in the skeleton of almost any living species of vertebrate, but a fossil skeleton he fairly worships.
If you ever omit to poison anything in the shape of a vertebrate specimen, be sure your sin and the beastly bugs will find you out.
Some remote progenitor of the whole vertebrate kingdom appears to have been hermaphrodite, or androgynous.
In his Descent of Man, the following passage occurs: "It has been known that in the vertebrate Kingdom one sex bears rudiments of various accessory parts appertaining to the reproductive system, which properly belong to the other sex.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "vertebrate" in a variety of sentences. We hope that you will now be able to make sentences using this word.
