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The Clinical Anatomy of the Vascular System | Ch 110
No full textThe femoral artery undergoes many morphological angiogenic changes before its final development. Three regions of the embryo are involved in arterial development: the anterior, posterior, and middle (Lederle et al. 2019). The anterior region is the most complex, with six aortic arches; the middle region undergoes fusion of the two aortae to form the final thoracic and abdominal aorta; the posterior region is the least complex, and the femoral artery develops here (Lederle et al. 2019)
The Clinical Anatomy of the Vascular System | Ch 89
No full textDuring fetal development, the seventh intersegmental artery gives rise to the axial artery (Moore and Persaud 1998). As the axial artery continues to grow distally, it gives rise to the subclavian, axillary, and anterior interosseous arteries before terminating in the hand (Khalid and Bordoni 2021). Around 33 days of development, as the axial trunk gives rise to the subclavian and axillary arteries and extends into the limb bud, it extends past the neural plate and develops into a network of capillaries. The subclavian artery forms ventral to the neural plate as the limb bud develops. The neural plate divides into anterior and posterior divisions around 37 days of development, the forming axillary artery coursing through the anterior division. As the axillary artery becomes better defined, around 41 days of embryo development, it continues distally as the brachial artery, extending to the elbow (Rodríguez-Niedenführ et al. 2001)
The Clinical Anatomy of the Vascular System | Ch 75
No full textIt is well documented that the embryonic vitelline vein contributes to the portal venous system, developing at 5 weeks gestation. It is suggested that after its partial regression, the left vitelline vein ultimately remains as the superior mesenteric vein (SMV) (Franceschi et al. 2022; Marks 1969). However, a 2017 study of 5- to 6-week-old embryos suggested that the SMV develops instead from a tissue cleft formed by the regression of the left vitelline vein in a peritoneal fold of the midgut mesentery (Abe et al. 2017)
Evaluating CSF leak risk in traumatic frontal sinus fracture based on degree and morphology of radiographic pneumocephalus
No full textThe Ocular Outcomes of Amniotic Membrane Transplantation in Patients with Stevens-Johnson Syndrome and Toxic Epidermal Necrolysis
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