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Anatomical variations in Eurasian wolf (Canis lupus lupus) (Carnivora: Canidae) of the salivary glands: A histological and histochemical investigation.
PLoS One
January 2025
Department of Morphological Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland.
The study involved a gross anatomical description of the parotid gland, mandibular gland, monostomatic sublingual gland, polystomatic sublingual gland, and zygomatic gland in 12 adult Eurasian wolves (Canis lupus lupus) (wild free-ranging individuals and their zoo counterparts), including their morphometry and microscopic evaluation using hematoxylin & eosin, mucicarmine, azan trichrome, PAS, AB pH 1.0, AB pH 2.5; AB pH 2.
View Article and Find Full Text PDFNew Findings in Developmental Studies of Laryngeal Mound With a Reference to Its Attached Structures in Japanese Quail (Coturnix coturnix Japonica).
Microsc Res Tech
January 2025
Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Assiut University, Assiut, Egypt.
The laryngeal mound (LM) formed the caudal part of the pharyngeal floor, which varied in position, shape, and length at different ages. This work aimed to study the morphogenesis of the LM in the embryonic and post hatching periods grossly, histologically, and by scanning electron microscopy using forty-eight Japanese quails. The LM primordia appeared on the 8th day of incubation as a raised elevation carried on a deep median symmetrical sulcus (glottis primordium).
View Article and Find Full Text PDFMorphological and Histological Studies of the Bronchial and Parabronchial System of the White Pekin Duck (Anas platyrhynchos).
J Exp Zool A Ecol Integr Physiol
November 2024
Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt.
The present study aimed to provide comprehensive morphological features of the bronchial and parabronchial systems using cast, histological, histochemical, and scanning electron microscopy techniques, with new insights into the parabronchial topographic distribution system on 22 white Pekin ducks. Casting illustrated that the medioventral secondary bronchi (MVSB) were the largest, but the posterior (POSB) ones were the smallest. The primary (PB) and secondary bronchi (SB) were lined with thin pseudostratified, ciliated columnar epithelium.
View Article and Find Full Text PDFMorphology of the Female Receptaculum Seminis of Euschistus heros (FABRICIUS, 1798) (INSECTA: HEMIPTERA: PENTATOMIDAE).
An Acad Bras Cienc
October 2024
Universidade Federal de Viçosa, Departamento de Biologia Geral, Avenida Peter Henry Rolfs, s/n, 36570-000 Viçosa, MG, Brazil.
Euschistus heros (Fabricius, 1798) (Heteroptera: Pentatomidae) is a soybean pest in Brazil. It has a reproductive success that may be associated with the female receptaculum seminis or spermatheca, a reproductive organ for spermatozoa storage until the oocyte fertilization. This study describes the anatomy and histology of the female receptaculum seminis in E.
View Article and Find Full Text PDFNST3 induces ectopic transdifferentiation, forming secondary walls with diverse patterns and composition in Arabidopsis thaliana.
Ann Bot
December 2024
Department of Biology, Pennsylvania State University, University Park, PA 16802, USA.
Background And Aims: The master transcription factor NAC SECONDARY WALL THICKENING PROMOTING FACTOR3 (NST3), also known as SND1, plays a pivotal role in regulating secondary cell wall (SCW) development in interfascicular and xylary fibres in Arabidopsis thaliana. Despite progress in understanding SCW assembly in xylem vessel-like cells, the mechanisms behind its assembly across different cell types remain unclear. Overexpression of NST3 or its homologue NST1 leads to reduced fertility, posing challenges for studying their impact on secondary wall formation.
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