Displaying publications 1 - 20 of 980 in total

  1. Judson JP
    JUMMEC, 1997;2:3-10.
    Matched MeSH terms: Anatomy
  2. Judson JP
    JUMMEC, 1997;2:63-75.
    Matched MeSH terms: Anatomy
  3. Poon SK
    Med J Malaya, 1965 Sep;20(1):57.
    PMID: 4221418
    Matched MeSH terms: Nervous System/anatomy & histology*; Trematoda/anatomy & histology*
  4. Nambiar P, John J, Al-Amery SM, Purmal K, Chai WL, Ngeow WC, et al.
    ScientificWorldJournal, 2013;2013:213757.
    PMID: 24348143 DOI: 10.1155/2013/213757
    Orangutans are believed to have close biological affinities to humans. Teeth being the hardest tissue provide useful information on primate evolution. Furthermore, knowledge of the pulp chamber and root canal morphology is important for dental treatment. A female Bornean orangutan and a Sumatran male orangutan skull were available for this study. Both of their dentitions, comprising 50 teeth, were scanned employing the cone-beam computed tomography for both metrical and nonmetrical analyses. Measurements included tooth and crown length, root length, enamel covered crown height, root canal length (posterior teeth), length of pulpal space (anterior teeth), and root canal width. Nonmetrical parameters included number of canals per root, number of foramina in each root, and root canal morphology according to Vertucci's classification. It was found that the enamel covered crown height was the longest in the upper central incisors although the canine was the longest amongst the anterior teeth. Both the upper premolars were three-rooted while the lower second premolar of the Sumatran orangutan was two-rooted, with two foramina. The mandibular lateral incisors of the Bornean orangutan were longer than the central incisors, a feature similar to humans. In addition, secondary dentine deposition was noticed, a feature consistent with aged humans.
    Matched MeSH terms: Tooth/anatomy & histology*; Pongo/anatomy & histology*
  5. Dharap A
    J Anat, 1994 Jun;184 ( Pt 3):639-41.
    PMID: 7928652
    In the left upper limb of an adult male cadaver a triangular muscular slip, 3.5 cm long and 2.5 cm wide, arose from the lower border of latissimus dorsi just proximal to its tendon of insertion. It was inserted by a slender 6 cm long tendon mainly into the coracoid process of the scapula. Three short fibrous strands radiated from this slender tendon to gain attachments to pectoralis minor and the common tendon of origin of the short head of biceps brachii and coracobrachialis. In addition 2 flat tendinous bands attached the margin of this muscular slip to teres major. The thoracodorsal nerve entered the main bulk of latissimus dorsi close to the muscular slip but did not supply a separate branch to the latter. This is an axillary arch muscle in an unusually medial location.
    Matched MeSH terms: Axilla/anatomy & histology*; Muscles/anatomy & histology*
  6. Schwallier R, Gravendeel B, de Boer H, Nylinder S, van Heuven BJ, Sieder A, et al.
    Ann Bot, 2017 05 01;119(7):1179-1193.
    PMID: 28387789 DOI: 10.1093/aob/mcx010
    Background and Aims: Nepenthes attracts wide attention with its spectacularly shaped carnivorous pitchers, cultural value and horticultural curiosity. Despite the plant's iconic fascination, surprisingly little anatomical detail is known about the genus beyond its modified leaf tip traps. Here, the wood anatomical diversity of Nepenthes is explored. This diversity is further assessed with a phylogenetic framework to investigate whether the wood characters within the genus are relevant from an evolutionary or ecological perspective, or rather depend on differences in developmental stages, growth habits, substrates or precipitation.

    Methods: Observations were performed using light microscopy and scanning electron microscopy. Ancestral states of selected wood and pith characters were reconstructed using an existing molecular phylogeny for Nepenthes and a broader Caryophyllales framework. Pairwise comparisons were assessed for possible relationships between wood anatomy and developmental stages, growth habits, substrates and ecology.

    Key Results: Wood anatomy of Nepenthes is diffuse porous, with mainly solitary vessels showing simple, bordered perforation plates and alternate intervessel pits, fibres with distinctly bordered pits (occasionally septate), apotracheal axial parenchyma and co-occurring uni- and multiseriate rays often including silica bodies. Precipitation and growth habit (stem length) are linked with vessel density and multiseriate ray height, while soil type correlates with vessel diameter, vessel element length and maximum ray width. For Caryophyllales as a whole, silica grains, successive cambia and bordered perforation plates are the result of convergent evolution. Peculiar helical sculpturing patterns within various cell types occur uniquely within the insectivorous clade of non-core Caryophyllales.

    Conclusions: The wood anatomical variation in Nepenthes displays variation for some characters dependent on soil type, precipitation and stem length, but is largely conservative. The helical-banded fibre-sclereids that mainly occur idioblastically in pith and cortex are synapomorphic for Nepenthes , while other typical Nepenthes characters evolved convergently in different Caryophyllales lineages.

    Matched MeSH terms: Wood/anatomy & histology*; Angiosperms/anatomy & histology*
  7. Bayssade-Dufour C, Ow-Yang CK
    PMID: 1221503
    A description of sensory receptors of Trichobilharzia brevis is given. They are compared with the five Schistosomatidae described by Richard (1971), namely, Trichobilharzia ocellata, schistosoma mansoni, S. bovis, S; haematobium and S. rodhaini. All these species display very similar chaetotaxic characters. In the study of the cercaria of Haplorchis pumilio, comparison with the few Opisthorchioidea cercarial sensory organs already known has enabled the authors to characterise the chaetotaxy for this superfamily.
    Matched MeSH terms: Heterophyidae/anatomy & histology*; Schistosoma/anatomy & histology*; Trematoda/anatomy & histology*
  8. Ahmed HMA, Neelakantan P, Dummer PMH
    Int Endod J, 2018 Feb;51(2):164-176.
    PMID: 28635100 DOI: 10.1111/iej.12800
    Thorough knowledge of anatomical complexities of the root canal system has a direct impact on the effectiveness of canal preparation and filling, and is an essential prerequisite for successful root canal treatment. A wide range of complex variations in root canal anatomy exists, including root canal configuration type, developmental anomalies and minor canal morphology such as accessory canals and apical deltas. Accessory canals and apical deltas have been associated with pulp disease, primary canal infection, canal reinfection and post-treatment disease. The current definitions of accessory canal anatomy are not standardized and potentially confusing. Given their role in endodontic disease and their impact on treatment outcomes, there is a need to have a simple classification of their anatomy to provide an accurate description of their position and path from the canal to the external surface of the root. The purpose of this article is to introduce a new system for classifying accessory canal morphology for use in research, clinical practice and training.
    Matched MeSH terms: Anatomy/classification; Dental Pulp Cavity/anatomy & histology*
  9. Judson JP
    JUMMEC, 1996;1:17-21.
    Matched MeSH terms: Anatomy
  10. Judson JP
    JUMMEC, 1999;4:12-25.
    Matched MeSH terms: Anatomy
  11. Al-Rammahi HM, Chai WL, Nabhan MS, Ahmed HMA
    BMC Oral Health, 2023 May 29;23(1):339.
    PMID: 37248469 DOI: 10.1186/s12903-023-03036-5
    BACKGROUND: A thorough understanding of root and canal anatomy is crucial for successful root canal treatment outcomes. This systematic review aims to explore the published micro-CT studies investigated the anatomy of root and canal system in permanent mandibular first molars.

    METHOD: An electronic search was performed on Web of science, PubMed, and Scopus. Micro-CT journal studies investigated the root and canal anatomy of permanent double-rooted mandibular first molars were included. Data on study characteristics, objectives of interest, specifications of the studies, and micro-CT specifications were extracted. Risk of bias assessment (ROB) of the included studies was performed using Anatomical Quality Assessment (AQUA) tool. The extracted data were presented in tables and figures to present and synthesise the results. A meta-analysis was performed for the studies related to the prevalence of Vertucci's canal configurations, middle mesial canal (MMC) configurations, and Fan's isthmus types.

    RESULTS: Amongst 1358 identified studies, thirty met the inclusion criteria. In terms of the objectives, the selected studies showed high anatomical variability in mandibular first molars. Twenty-two (73%), 25 (83%), and 12 (40%) of the studies reported the population/ethnicity, micro-CT specifications, and ethical approval, respectively. 28 (93%) studies did not disclose the method of sample size estimation. In only 6 (20%) of the studies, the authors had calibrated the assessment approaches. Mostly, a potential ROB was reported in domain 1 (objective(s) and subject characteristics) and domain 3 (methodology characterization). Whilst, low risk was reported in domains 2 (study design), 4 (descriptive anatomy), and 5 (reporting of results). The overall ROB was reported to be ''moderate'' in the vast majority of the studies (27/30). Meta-analysis results showed high levels of heterogeneity among the studies related to MMCs (I2 = 86%) and Fan's isthmus (I2 = 87%). As for the root canal configuration, pooled prevalence showed that Vertucci type IV and type I were the most prevalent in mesial and distal root canals, respectively.

    CONCLUSION: Based on moderate risk of bias level of evidence, micro-CT studies have shown wide range of qualitative and quantitative data presentations of the roots and canals in mandibular first molars. Protocol and registration. The protocol of this systematic review was prospectively registered in the Open Science Framework database ( https://osf.io ) on 2022-06-20 with the registration number 10.17605/OSF.IO/EZP7K.

    Matched MeSH terms: Dental Pulp Cavity/anatomy & histology; Mandible/anatomy & histology; Molar/anatomy & histology
  12. Choy KW, Kogilavani S, Norshalizah M, Rani S, Aspalilah A, Farihah HS, et al.
    Clin Ter, 2013 May-Jun;164(3):197-201.
    PMID: 23868619 DOI: 10.7417/CT.2013.1549
    Anomalous structures of the liver are incidentally detected during autopsies or during routine cadaveric dissection. The present study aimed to observe the abnormal shapes of quadrate lobe, accessory sulci and ligamentum teres of the liver.
    Matched MeSH terms: Liver/anatomy & histology
  13. Zubair M, Habib L, Mirza MR, Channa MA, Yousuf M, Quraishy MS
    Med J Malaysia, 2012 Oct;67(5):494-6.
    PMID: 23770866
    Matched MeSH terms: Arteries/anatomy & histology
  14. Das S, Abd Latiff A, Suhaimi FH, Ghazalli H, Othman F
    Bratisl Lek Listy, 2008;109(11):513-6.
    PMID: 19205563
    To study the anomalous splenic notches and discuss their clinical importance.
    Matched MeSH terms: Spleen/anatomy & histology
  15. Kian Joe Lie
    J Parasitol, 1965 Oct;51(5):789-92.
    PMID: 5857278
    Matched MeSH terms: Echinostoma/anatomy & histology*
  16. Khan AA, Asari MA, Hassan A
    Folia Morphol (Warsz), 2011 Nov;70(4):291-4.
    PMID: 22117248
    Wormian bones are a subset of the small intrasutural bones that lie between the cranial sutures formed by the bones of the skull vault. They are formed due to additional ossification centres in or near sutures. They are usually considered as normal variants and seem to be determined genetically in certain populations. They have been linked with rapid cranial expansion as they appear in great number in hydrocephalic skulls. They are commonly found in the lambdoid suture and fontanelles but are occasionally seen in other sutures especially the coronal, squamosal, and sagittal sutures. We examined 25 dried human skulls with the aim to find out the occurrence and variations of Wormian bones, and surprisingly we found Wormian bones in the coronal, squamosal, and sagittal sutures in 6 skulls. These are uncommon sites of occurrence of sutural bones as reported in the literature. These findings prompted us to report these cases as their presence can lead to confusion in diagnosis in cases of skull fractures.
    Matched MeSH terms: Cranial Sutures/anatomy & histology*
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