Papillary Exposure
Papillary Exposure - Related Videos
06:22
Contractility Measurements on Isolated Papillary Muscles for the Investigation of Cardiac Inotropy in Mice
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Cited by 14 •
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Murine left ventricular papillary muscle can be used to investigate cardiac contractility in vitro. This article describes in detail the isolation and experimental protocols to study cardiac contractile characteristics.
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Papillary Dermis
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Dermis The dermis might be considered the "core" of the integumentary system, as distinct from the epidermis and hypodermis. It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands. The dermis is made of two layers of connective tissue that comprise an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts. Papillary Layer The papillary layer is made of loose, areolar connective tissue, which means the collagen and...
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Robotic Duodenum-preserving Total Pancreatic Head Resection for Intraductal Papillary Mucinous Neoplasms
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This protocol presents robotic duodenum-preserving total pancreatic head resection (R-DPPHRt) for intraductal papillary mucinous neoplasms (IPMNs). A video demonstrates the technique in a patient with main duct-IPMN, highlighting its feasibility as a minimally invasive, organ-preserving alternative to pancreaticoduodenectomy.
09:08
Developing a Salivary Antibody Multiplex Immunoassay to Measure Human Exposure to Environmental Pathogens
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In the current climate of scarce resources, new technologies are emerging that allow researchers to conduct studies cheaper, faster and with more precision. Here we describe the development of a bead-based salivary antibody multiplex immunoassay to measure human exposure to multiple environmental pathogens simultaneously.
10:11
Whole-Body Nanoparticle Aerosol Inhalation Exposures
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Cited by 51 •
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A whole-body nanoparticle aerosol inhalation exposure facility was constructed for nano-sized titanium dioxide (TiO2) inhalation toxicology studies. This system provides nano-TiO2 aerosol test atmospheres that have: 1) a steady mass concentration; 2) a homogenous composition free of contaminants; and 3) a stable particle size distribution during aerosol generation.
FAQs
Papillary exposure depends on matching the tissue maneuver to the access required. Retraction or elevation can create a viewing corridor while preserving surrounding tissue, whereas incision may provide more direct access when superficial maneuvers are insufficient. The central technical balance is adequate visualization without extending disruption beyond what the examination or intervention requires.
Preserving the papilla’s vascular supply is essential because exposure can be technically successful yet harmful if tissue perfusion is compromised. Clinicians must also account for adjacent structures during retraction, elevation, or incision. This principle supports tissue viability and helps limit avoidable functional or cosmetic consequences while the intended examination or intervention is performed.
An examination generally requires enough access for direct visual assessment, while biopsy, excision, repair, or another site-specific procedure may require a wider or differently oriented field. The exposure should therefore be proportional to the intended task. Separating visualization needs from treatment needs helps avoid unnecessary tissue manipulation while maintaining appropriate procedural access.
Adequate exposure is determined by whether the papilla and the relevant surrounding anatomy can be directly assessed or safely treated. The organ involved, the intended procedure, the amount of retraction or elevation possible, and the need to protect vascular and adjacent structures all influence the endpoint. Adequacy is functional, not simply the size of the opening.
Planning begins by identifying the papilla, the target task, and the structures that must remain protected. The clinician then selects controlled retraction, elevation, or incision to obtain the necessary view, performs the intended assessment or intervention, and evaluates whether tissue handling has remained limited. This sequence links access decisions to procedural goals and preservation of surrounding anatomy.
It can support direct examination when visual assessment is needed and can also facilitate biopsy, excision, repair, or other interventions tailored to the involved organ. Its value lies in converting a difficult-to-access papilla into a field that can be assessed or treated directly. The specific application depends on the anatomy and clinical objective rather than on one universal technique.