1
40
2
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Text
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URL Address
<a href="http://doi.org/10.1002/ar.24521" target="_blank" rel="noreferrer noopener">http://doi.org/10.1002/ar.24521</a>
ISSN
1932-8494
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<a href="http://neomed.idm.oclc.org/login?url=http://doi.org/10.1002/ar.24521" target="_blank" rel="noreferrer noopener">NEOMED Full-text Holding (if available) - Proxy DOI: 10.1002/ar.24521</a>
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Update Year & Number
September 2020 List
NEOMED College
NEOMED College of Medicine
NEOMED Department
Department of Anatomy & Neurobiology
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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Cranial synchondroses of primates at birth.
Publisher
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Anatomical Record
Date
A point or period of time associated with an event in the lifecycle of the resource
2020
2020-10-04
Subject
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Development; Craniofacial; Perinatal; Chondrocranium
Creator
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Smith TD;Reynolds RL;Mano N;Wood BJ;Oladipupo L;Hughes GK;Corbin HM;Taylor J;Ufelle A;Burrows AM;Durham E;Vinyard CJ;Cray JJ;DeLeon VB
Description
An account of the resource
Cranial synchondroses are cartilaginous joints between basicranial bones or between basicranial bones and septal cartilage, and have been implicated as having a potential active role in determining craniofacial form. However, few studies have examined them histologically. Using histological and immunohistochemical methods, we examined all basicranial joints in serial sagittal sections of newborn heads from nine genera of primates (five anthropoids, four strepsirrhines). Each synchondrosis was examined for characteristics of active growth centers, including a zonal distribution of proliferating and hypertrophic chondrocytes, as well as corresponding changes in matrix characteristics (i.e., density and organization of type II collagen). Results reveal three midline and three bilateral synchondroses possess attributes of active growth centers in all species (sphenooccipital, intrasphenoidal, presphenoseptal). One midline synchondrosis (ethmoseptal) and one bilateral synchondrosis (alibasisphenoidal, ABS) are active growth centers in some but not all newborn primates. ABS is oriented more anteriorly in monkeys compared to lemurs and bushbabies. The sphenoethmoidal synchondrosis (SES) varies at birth: in monkeys, it is a suture-like joint (i.e., fibrous tissue between the two bones); however, in strepsirrhines, the jugum sphenoidale is ossified while the mesethmoid remains cartilaginous. No species possesses a SES that has the organization of a growth plate. Overall, our findings demonstrate that only four midline synchondroses have the potential to actively affect basicranial angularity and facial orientation during the perinatal timeframe, while the SES of anthropoids essentially transitions toward a "suture-like" function, permitting passive growth postnatally. Loss of cartilaginous continuity at SES and reorientation of ABS distinguish monkeys from strepsirrhines. This article is protected by copyright. All rights reserved. (This article is protected by copyright. All rights reserved.)
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<a href="http://doi.org/10.1002/ar.24521" target="_blank" rel="noreferrer noopener">10.1002/ar.24521</a>
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
Format
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journalArticle
2020
Anatomical Record
Burrows AM
Chondrocranium
Corbin HM
Craniofacial
Cray JJ
DeLeon VB
Department of Anatomy & Neurobiology
development
Durham E
Hughes GK
journalArticle
Mano N
NEOMED College of Medicine
Oladipupo L
Perinatal
Reynolds RL
September 2020 List
Smith TD
Taylor J
Ufelle A
Vinyard CJ
Wood BJ
-
Text
A resource consisting primarily of words for reading. Examples include books, letters, dissertations, poems, newspapers, articles, archives of mailing lists. Note that facsimiles or images of texts are still of the genre Text.
URL Address
<a href="http://doi.org/10.1096/fasebj.2020.34.s1.03412" target="_blank" rel="noreferrer noopener">http://doi.org/10.1096/fasebj.2020.34.s1.03412</a>
Issue
S1
Volume
34
ISSN
0892-6638
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Locate full-text within NEOMED Library's e-journal collections
<a href="http://neomed.idm.oclc.org/login?url=http://doi.org/10.1096/fasebj.2020.34.s1.03412" target="_blank" rel="noreferrer noopener">NEOMED Full-text Holding (if available) - Proxy DOI: 10.1096/fasebj.2020.34.s1.03412</a>
<p>Users with a NEOMED Library login can search for full-text journal articles at the following url: <a href="https://libraryguides.neomed.edu/home">https://libraryguides.neomed.edu/home</a></p>
Update Year & Number
September 2020 List
NEOMED College
NEOMED College of Medicine
NEOMED Department
Department of Anatomy & Neurobiology
Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
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The chondrocranial key: development of the sphenoid bone in primates
Publisher
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Faseb Journal
Date
A point or period of time associated with an event in the lifecycle of the resource
2020
2020-04
Creator
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Mano N;Wood B;Oladipupo L;Reynolds RL;Vinyard CJ;Cray JJ;DeLeon VB;Smith T
Description
An account of the resource
It has been hypothesized that the human sphenoid bone is uniquely truncated, which in turn contributes to a reduction of forward midfacial growth. If so, the perinatal fusion of the intrasphenoidal synchondrosis (ISS) in humans may contribute to midfacial reduction. However, there is a lack of detailed knowledge on sphenoid development of non‐human primates. In this study, orientation and direction of growth of basicranial interface with the midface of late prenatal and early postnatal sphenoid development was examined in ontogenetic samples of primates including three species of monkeys (n = 25) and four species of lemurs and bushbabies (strepsirrhines; n= 28). Micro‐computed tomographic (CT) and histological methods were used to track cross‐sectional age changes in the sphenoid bone. In monkeys (Saguinus spp.), histological findings indicated the number of proliferating chondrocytes is reduced across age leading to a reduction in absolute anteroposterior length of the proliferating zone. Preliminary data from micro‐CT reconstructions suggest that absolute length of the ISS decreases more rapidly in monkeys than in strepsirrhines. Measurements of presphenoid (PS) and basisphenoid (BS) length indicate that in strepsirrhines, these bones grow similarly to one another as cranial length increases. In contrast, in monkeys, the PS increases at a faster pace (i.e. higher linear regression line slopes) than the BS. However, unlike humans, the monkeys studied have prolonged postnatal patency of the ISS. Thus, the reduced midfacial projection in humans and these monkeys cannot be explained by the timing of ISS fusion alone. Dichotomous growth patterns of the cranial base and midface among primates suggest different patterns of regional integration of the cranium. In particular, our results suggest that in monkeys, integration of the midface is stronger with the anterior compared to the posterior portion of the sphenoid bone. In strepsirrhines by comparison, growth of the midface progressively deviates from that of the sphenoid bone over time.
Identifier
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<a href="http://doi.org/10.1096/fasebj.2020.34.s1.03412" target="_blank" rel="noreferrer noopener">10.1096/fasebj.2020.34.s1.03412</a>
Rights
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Article information provided for research and reference use only. All rights are retained by the journal listed under publisher and/or the creator(s).
Format
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journalArticle
2020
Cray JJ
DeLeon VB
Department of Anatomy & Neurobiology
Faseb Journal
journalArticle
Mano N
NEOMED College of Medicine
Oladipupo L
Reynolds RL
September 2020 List
Smith T
Vinyard CJ
Wood B