Results 61 to 70 of about 111,897 (159)

Littre´s hernia: a case presentation

open access: yesMexican Journal of Medical Research ICSA
We report a case of Littre’s hernia in a 64-year old woman, which is a very uncommon condition, consists on an hernia whose content corresponds to a remnant of the omphalomesenteric duct, called Meckel’s diverticulum, that results from incomplete ...
Juan Roberto-Santamaría   +3 more
doaj   +1 more source

A comprehensive embryonic staging series of the turtle Trachemys scripta

open access: yesDevelopmental Dynamics, Volume 255, Issue 3, Page 260-320, March 2026.
Abstract Background Turtles hold a unique place in vertebrate evolutionary history, making them critical assets in embryology research. Yet, they remain understudied as potential model organisms in the field. Here, to support experimental manipulations with turtle embryos, we have created a complete normal table of development for comprehensive ...
Christina M. Noravian   +6 more
wiley   +1 more source

Immunostaining of P450c17, Aromatase and Oestrogen Receptor Alpha in Germ and Somatic Cells During Gonadal Development in Greater Rhea

open access: yesAnatomia, Histologia, Embryologia, Volume 55, Issue 2, March 2026.
ABSTRACT The greater rhea (Rhea americana), the largest bird species in South America, has significant economic value due to its meat, eggs, leather, feathers and oil. However, its lack of external sexual dimorphism poses challenges for reproductive management and breeding programmes.
Marilú Cristofoli   +7 more
wiley   +1 more source

WISH analysis of genes differentially transcribed in mature adult females.

open access: yes, 2012
Whole-mount in situ hybridizations with riboprobes specific to each gene are shown. Panel A: p14; PanelB: FsMucin; Panel C: Fs800; Panel D: 10688; Panel E: 10548; Panel F: 11223; Panel G: 21110; Panel H: 11779; Panel I: 28488; Panel J: 10763; Panel K ...
Valerie P. Kommer (120369)   +2 more
core   +1 more source

Fig. 2. Gemmaecaputia corrugata Tripathi, 1957 from Sphyraena forsteri Cuvier, 1829 in New Records of Gemmaecaputia corrugata (Monogenea: Chauhaneidae) from Sphyraena forsteri (Sphyraenidae) off Yomitan Town, Okinawa-jima Island, Southern Japan

open access: yes, 2022
Fig. 1. Gemmaecaputia corrugata Tripathi, 1957 from Sphyraena forsteri Cuvier, 1829. Whole body (ventral view, MPM 21744e). Scale bar: 500 µm. Abbreviations for morphological characters: cgp, common genital pore; clI–IV, first–fourth clamp on left side ...
Kamio, Yusuke, Nitta, Masato
core   +1 more source

Torsion and inflammation of Meckel's diverticulum: Rare cause of acute abdominal pain

open access: yesJournal of Pediatric Surgery Case Reports, 2017
Meckel's diverticulum is a remnant of the embryologic vitelline duct. It was named after its anatomical and embryological description, in the early 19th century, by Johann Meckel.
Sofia Morão   +4 more
doaj   +1 more source

Synergistic roles of aquaporin 5 and intra‐ and extracellular carbonic anhydrases in promoting CO2 diffusion across the Xenopus oocyte plasma membrane

open access: yesThe Journal of Physiology, Volume 604, Issue 3, Page 1174-1234, 1 February 2026.
Abstract figure legend Fick's law: JCO2=PM*,CO2±hAQP5·([CO2]os±bCA−[CO2]is±hCAII)TransmembraneCO2gradient${J}_{{\mathrm{CO}}_{2}}=\underset{\pm \mathrm{hAQP}5}{\underset{}{{P}_{\mathrm{M}^\ast ,{\mathrm{CO}}_{2}}}}\, \cdot \underset{\mathrm{Transmembrane}\ {\mathrm{CO}}_{2}\ \mathrm{gradient}}{\underset{}{(\underset{\pm \mathrm{bCA}}{\underset ...
Deng‐Ke Wang   +2 more
wiley   +1 more source

Human Midgut Return Reconsidered: A Staged and Structurally Constrained Process

open access: yesCongenital Anomalies, Volume 66, Issue 1, January/February 2026.
ABSTRACT Physiological umbilical herniation and midgut return have traditionally been described within a rotation‐centered framework, but the process by which the herniated human midgut re‐enters the abdominal cavity remains incompletely explained.
Tetsuya Takakuwa
wiley   +1 more source

Urachal anomalies: A review of pathological conditions, diagnosis, and management

open access: yesTranslational Research in Anatomy, 2019
The urachus is a tubular structure that extends cranially from the anterior dome of the bladder to the umbilicus. Urachal anomalies (UA) formation results from incomplete involution of this embryonic structure, leading to various pathologies.
Anthony L. Wilson   +7 more
doaj   +1 more source

Axial Torsion of a Necrotic Giant Meckel’s Diverticulum With Secondary Peritonitis in a 7‐Year‐Old: A Case Report

open access: yesCase Reports in Surgery, Volume 2026, Issue 1, 2026.
Axial torsion with subsequent gangrene of Meckel’s diverticulum represents an exceptionally rare cause of small bowel obstruction, one of the rarest causes of small bowel obstruction. Meckel’s diverticulum is the most common congenital anomaly of the gastrointestinal tract, and it is often discovered incidentally during abdominal surgery, particularly ...
Maria Daniela Trăilescu   +6 more
wiley   +1 more source

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