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Articles 4501 - 4530 of 4662

Full-Text Articles in Anatomy

Influence Of Fluoride On Strength And Elasticity Of Femurs Of Rats Maintained On Diets Both Adequate And Low In Calcium, Dexter F. Beary Jun 1967

Influence Of Fluoride On Strength And Elasticity Of Femurs Of Rats Maintained On Diets Both Adequate And Low In Calcium, Dexter F. Beary

Loma Linda University Electronic Theses, Dissertations & Projects

The effect of fluoride on the physical properties of the rat femur was investigated by using an Instron materials tester. Experimental animals consisting of 80 female weanling rats were employed. These were divided into two major groups of 40 rats each. Group I received adequate calcium in the diet and Group II received a low calcium (0.1%) diet. Group I and II were divided into five subgroups, the first subgroup being used as the control. Each of the other four subgroups was given a different dosage level of fluoride in their drinking water as follows: the second subgroup received Hereford, …


An Odontometric Study Of Five Contemporary Western United States Indian And Alaskan Eskimo Groups, John A. Matis Jun 1967

An Odontometric Study Of Five Contemporary Western United States Indian And Alaskan Eskimo Groups, John A. Matis

Loma Linda University Electronic Theses, Dissertations & Projects

The morphologic characteristics of the oral cavity in five contemporary Western Indian and Alaskan Eskimo groups have been investigated by the use of study models of the dental archs. The sample consisted of 216 individuals, including 44 Navajos, 43 Apaches, 40 Papagos, 42 Pimas and 47 Alaskan Eskimos.

The first purpose of the study was to determine the extent of investigator error. This was accomplished by remeasuring many morphologic traits of the dentition in 125 Indians which had previously been measured by different investigators using the same study models. It was found that investigator error can be significant, even in …


A Comparative Osteological Study Of Two Species Of Colubridae: (Pituophis And Thamnophis), Robert E. Bullock, Wilmer W. Tanner Dec 1966

A Comparative Osteological Study Of Two Species Of Colubridae: (Pituophis And Thamnophis), Robert E. Bullock, Wilmer W. Tanner

Brigham Young University Science Bulletin, Biological Series

The complete skeletal anatomy of Pituophis catenifer deserticola Stejneger is described in detail. The osteology of this species is compared with that of Thamnophis radix haydeni Kennicott in the following areas: atlas, axis, first thoracic, other thoracic lumbar, anterior caudal, middle caudal, and posterior caudal vertebrae, as well as the skull and hyoid apparatus.

Many structural similarities exist in these two species of colubrids. The more important structures or aspects in which similarities were observed are: (1) the natural division of the vertebral column into regions and subregions, (2) the gross morphology of the various types of vertebrae, (3) the …


Front Matter, Vol. 8 No. 3 Dec 1966

Front Matter, Vol. 8 No. 3

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 8 No. 3 Dec 1966

End Matter, Vol. 8 No. 3

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Nickelous Nitrate Hexahydrate And Its Effect On Reproduction In The Mouse, Marvin R. Guthaus Dec 1966

Nickelous Nitrate Hexahydrate And Its Effect On Reproduction In The Mouse, Marvin R. Guthaus

Masters Theses

No abstract provided.


End Matter, Vol. 8 No. 2 Nov 1966

End Matter, Vol. 8 No. 2

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Rhynchophora Beetles Of The Nevada Test Site, Vasco M. Tanner Nov 1966

Rhynchophora Beetles Of The Nevada Test Site, Vasco M. Tanner

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Front Matter, Vol. 8 No. 2 Nov 1966

Front Matter, Vol. 8 No. 2

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Front Matter, Vol. 8 No. 1 Oct 1966

Front Matter, Vol. 8 No. 1

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Mites Of Utah Mammals, Dorald M. Allred, D Elden Beck Oct 1966

Mites Of Utah Mammals, Dorald M. Allred, D Elden Beck

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 8 No. 1 Oct 1966

End Matter, Vol. 8 No. 1

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


The Sphaerodactylus Decoratus Complex In The West Indies, Richard Thomas, Albert Schwartz Aug 1966

The Sphaerodactylus Decoratus Complex In The West Indies, Richard Thomas, Albert Schwartz

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 7 No. 4 Aug 1966

End Matter, Vol. 7 No. 4

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Front Matter, Vol. 7 No. 4 Aug 1966

Front Matter, Vol. 7 No. 4

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Ants Of The Nevada Test Site, Arthur Charles Cole Jr. Jun 1966

Ants Of The Nevada Test Site, Arthur Charles Cole Jr.

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Front Matter, Vol. 7 No. 2 Jun 1966

Front Matter, Vol. 7 No. 2

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 7 No. 2 Jun 1966

End Matter, Vol. 7 No. 2

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Front Matter, Vol. 7 No. 3 Jun 1966

Front Matter, Vol. 7 No. 3

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


End Matter, Vol. 7 No. 3 Jun 1966

End Matter, Vol. 7 No. 3

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Siphonaptera (Fleas) Of The Nevada Test Site, D Elden Beck, Dorald M. Allred Jun 1966

Siphonaptera (Fleas) Of The Nevada Test Site, D Elden Beck, Dorald M. Allred

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Antibiotics And The Wasting Disease In Neonatally Thymectomized Rats, Douglas M. Grignon Sep 1965

Antibiotics And The Wasting Disease In Neonatally Thymectomized Rats, Douglas M. Grignon

Loma Linda University Electronic Theses, Dissertations & Projects

The administration of the antibiotic, Chloramphenicol, to pregnant rats just prior to, and for four days after delivery, diminishes the incidence of the so-called "Wasting Disease" in neonatally thymectomized rats.

A total of 50 rats were divided into the following groups:

  1. Thymectomy only---nonmedicated 17 rats
  2. Thymectomy only---medicated 12 rats
  3. Thymectomy-adrenalectomy---nonmedicated 5 rats
  4. Thymectomy-adrenalectomy---medicated 8 rats
  5. Controls---nonmedicated 4 rats
  6. Controls---medicated 4 rats

Chloramphenicol was administered in the drinking water to the mothers of groups 2, 4 and 6 for about 2 days prior to delivery and 4 days after. On the day of birth or within three days after birth, the …


An Analysis Of Orthodontic Treatment Results, William S. Asano Sep 1965

An Analysis Of Orthodontic Treatment Results, William S. Asano

Loma Linda University Electronic Theses, Dissertations & Projects

A study of orthodontic treatment results was made on forty patients treated by the graduate students Loma Linda University. The purpose of the study was to determine the treatment changes in patients treated in the graduate clinic. The study was based on the findings of the cephalometric and full mouth radiographs. The distribution of the malocclusions were similar to those found in other studies. The group of forty patients was divided for paired comparisons of type of malocclusion, length of treatment, and extraction of teeth. Statistical correlations were computed on every change investigated in this study.

The Steiner Analysis and …


Mayo Dental Morphology, Val K. Artress Jun 1965

Mayo Dental Morphology, Val K. Artress

Loma Linda University Electronic Theses, Dissertations & Projects

The Mayo Indian of Sonora, Mexico, was selected for a study of dental morphology. The objectives of the investigation were to determine the extent to which the Mayo conformed to the four criteria of the Mongoloid dental master pattern, and to compare eight other specific tooth morphologic characteristics with like studies on Mongoloid and non-Mongoloid peoples. Plaster casts were made on a sample of forty-one Mayos.

The results of the study indicate that Mayos exhibit a 46 percent frequency of shovel-shape maxillary incisors, classifying "moderate shovel" and "shovel" together. The maxillary central-lateral width difference of 1.5 mm is small compared …


Front Matter, Vol. 7 No. 1 May 1965

Front Matter, Vol. 7 No. 1

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


A Comparative Population Study Of Small Vertebrates In The Uranium Areas Of The Upper Colorado River Basin Of Utah, Wilmer W. Tanner May 1965

A Comparative Population Study Of Small Vertebrates In The Uranium Areas Of The Upper Colorado River Basin Of Utah, Wilmer W. Tanner

Brigham Young University Science Bulletin, Biological Series

This paper constitutes a terminal report to the United States Atomic Energy Commission for contract AT(11-1)819. It provides not only a faunistic and floristic study of areas having a high and low surface radiation, but also includes a consideration of their general ecology. Major emphasis is placed on the variation of the external characteristics of the small vertebrates of these areas with a statistical analysis of those characters examined in the lizards. The study was conducted in southeastern Utah (Tanner 1963, see map) from October 1959 through 1964, and was conducted as a test of the variation effects of natural …


End Matter, Vol. 7 No. 1 May 1965

End Matter, Vol. 7 No. 1

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


A Cephalometric Comparison Of The Chamula, Mayo And Navajo Indians, Norman C. Bunker May 1965

A Cephalometric Comparison Of The Chamula, Mayo And Navajo Indians, Norman C. Bunker

Loma Linda University Electronic Theses, Dissertations & Projects

Lateral head x-rays were obtained on selected samples of 24 Chamula, 29 Mayo and 39 Navajo Indians for cephalometric comparison.

Cephalometric evaluation was carried out by means of the Bjork analysis. Mean values for each of the Indian groups were determined and compared with each other and with the mean values of a group of Swedish conscripts studied by Bjork. The mean values were statistically analyzed and and subjected to the Student's "t" test to determine the significant levels of differences.

Results revealed that in comparing the three Indian groups significant differences do appear. They are few and general concordance …


Front Matter, Vol. 6 No. 4 Mar 1965

Front Matter, Vol. 6 No. 4

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


Scorpions Of The Nevada Test Site, Willis J. Gertsch, Dorald M. Allred Mar 1965

Scorpions Of The Nevada Test Site, Willis J. Gertsch, Dorald M. Allred

Brigham Young University Science Bulletin, Biological Series

No abstract provided.