Keiko Meshida
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View article: Accessory Right and Left Hepatic Arteries in a 69 year-old White Female Donor with a Duplicated Inferior Vena Cava: Anatomical and Surgical Significance
Accessory Right and Left Hepatic Arteries in a 69 year-old White Female Donor with a Duplicated Inferior Vena Cava: Anatomical and Surgical Significance Open
Hepatic artery variations are relatively common findings in patients with an array of findings that were categorized and quantified in the Michels classification system. Findings of an accessory right and left hepatic artery were found in …
View article: Sciatic Nerve Bilateral High Bifurcation between the Two Heads of the Piriformis Muscle in a 92-year-old White Female Donor: A Case Report
Sciatic Nerve Bilateral High Bifurcation between the Two Heads of the Piriformis Muscle in a 92-year-old White Female Donor: A Case Report Open
View article: Bifurcation of the Brachial Artery into Brachioradial and Brachioulnar Arteries in the Proximal Arm: Case Report and Clinical Significance
Bifurcation of the Brachial Artery into Brachioradial and Brachioulnar Arteries in the Proximal Arm: Case Report and Clinical Significance Open
During anatomical dissection of fifty donors in the 2020 undergraduate first-year anatomy course at the Uniformed Services University of the Health Sciences, a high origin of the radial and ulnar arteries, also known as a brachioradial art…
View article: Duplicated Inferior Vena Cava in a 69-Year-Old White Female Donor
Duplicated Inferior Vena Cava in a 69-Year-Old White Female Donor Open
While relatively uncommon, a duplication of the inferior vena cava is moderately well-discussed in the literature. This anatomical variation was noted in a 69-year-old white female donor. This variation is typically asymptomatic; however, …
View article: Chronic Atherothrombosis in a Sub-Massive Infrarenal Abdominal Aortic Aneurysm in a 91-Year-Old White Male Donor
Chronic Atherothrombosis in a Sub-Massive Infrarenal Abdominal Aortic Aneurysm in a 91-Year-Old White Male Donor Open
Screening for abdominal aortic aneurysms became the standard of care in 2005, yet screening procedures continue to be underutilized. While improvements in mortality rates have been noted over the past 15 years, continued patient mortality …
View article: Accessory Lateral Head of the Right Gastrocnemius Muscle in a 65 year-old White Male Donor
Accessory Lateral Head of the Right Gastrocnemius Muscle in a 65 year-old White Male Donor Open
The three muscles that form the calf muscle or triceps surae include the soleus muscle, the gastrocnemius muscle, and the plantaris muscle. Generally, the gastrocnemius muscle consists of a larger medial head and relatively smaller lateral…
View article: The unique rectus extraocular muscles of cetaceans: Homologies and possible functions
The unique rectus extraocular muscles of cetaceans: Homologies and possible functions Open
Each rectus extraocular muscle in cetaceans divides into two portions: a massive palpebral belly that inserts into the deep surface of the eyelids and a smaller scleral belly that inserts onto the eyeball. While the cetacean palpebral inse…
View article: Testing Equid Body Mass Estimate Equations on Modern Zebras—With Implications to Understanding the Relationship of Body Size, Diet, and Habitats of Equus in the Pleistocene of Europe
Testing Equid Body Mass Estimate Equations on Modern Zebras—With Implications to Understanding the Relationship of Body Size, Diet, and Habitats of Equus in the Pleistocene of Europe Open
The monodactyl horses of the genus Equus originated in North America during the Pliocene, and from the beginning of the Pleistocene, they have been an essential part of the large ungulate communities of Europe, North America and Africa. Un…
View article: The oblique extraocular muscles in cetaceans: Overall architecture and accessory insertions
The oblique extraocular muscles in cetaceans: Overall architecture and accessory insertions Open
The oblique extraocular muscles (EOMs) were dissected in 19 cetacean species and 10 non‐cetacean mammalian species. Both superior oblique (SO) and inferior oblique (IO) muscles in cetaceans are well developed in comparison to out‐groups an…
View article: Frequency and Clinical Review of the Aberrant Obturator Artery: A Cadaveric Study
Frequency and Clinical Review of the Aberrant Obturator Artery: A Cadaveric Study Open
The occurrence of an aberrant obturator artery is common in human anatomy. Detailed knowledge of this anatomical variation is important for the outcome of pelvic and groin surgeries requiring appropriate ligation. Familiarity with the occu…
View article: Cetacean Orbital Muscles: Anatomy and Function of the Circular Layers
Cetacean Orbital Muscles: Anatomy and Function of the Circular Layers Open
Dissections of cetacean orbits identified two distinct circular muscle layers that are uniquely more elaborate than the orbitalis muscles described in numerous mammals. The circular orbital muscles in cetaceans form layers that lie both ex…
View article: Branching pattern variations of the celiac trunk and superior mesenteric artery in a 72-year-old white female cadaver
Branching pattern variations of the celiac trunk and superior mesenteric artery in a 72-year-old white female cadaver Open
Variations in the branching patterns of the celiac trunk and superior mesenteric artery occur frequently. Detailed knowledge of anatomical variations of the abdominal arterial supply is important for the outcome of abdominal organ surgical…
View article: PHYLOGENETIC SIGNATURES IN THE JUVENILE SKULLS AND CHEEK TEETH OF PLEISTOCENE PROBOSCIDIPPARION SINENSE, CHINA
PHYLOGENETIC SIGNATURES IN THE JUVENILE SKULLS AND CHEEK TEETH OF PLEISTOCENE PROBOSCIDIPPARION SINENSE, CHINA Open
We describe and compare three partial skulls of Chinese juvenile Proboscidipparion sinense from the Nihewanian of China. Study of the facial morphology, especially the nasal aperture, as well as cheek tooth morphology and metric data, incl…