Tissue Surface Area
Tissue Surface Area - Related Videos
12:49
Measurement of Aggregate Cohesion by Tissue Surface Tensiometry
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Cited by 10 •
2011
We describe a method of measuring binding energy, expressible as tissue surface tension, between cells within 3D tissue-like aggregates. Differences in tissue surface tension have been demonstrated to correlate with invasiveness of lung, muscle, and brain tumors, and are fundamental determinants of establishing spatial relationships between different cell types.
12:22
Preparation of Thermoresponsive Nanostructured Surfaces for Tissue Engineering
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Cited by 5 •
2016
Nanoscaled sea-island surfaces composed of thermoresponsive block copolymers were fabricated by the Langmuir-Schaefer method for controlling spontaneous cell adhesion and detachment. Both the preparation of the surface and the adhesion and detachment of cells on the surface were visualized.
06:38
Induction of Ocular Surface Inflammation and Collection of Involved Tissues
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Cited by 2 •
2022
Ocular surface inflammation harms the ocular surface tissues and compromises vital functions of the eye. The present protocol describes a method to induce ocular inflammation and collect compromised tissues in a mouse model of Meibomian gland dysfunction (MGD).
07:37
Human Ovarian Surface Epithelium Organoids as a Platform to Study Tissue Regeneration
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Cited by 4 •
2024
This protocol describes establishing three-dimensional (3D) tissue organoids from primary human ovarian surface epithelium (hOSE) cells. The protocol includes isolation of hOSE from freshly collected ovaries, cellular expansion of the hOSE, cryopreservation-thawing procedures, and organoid derivation. Immunofluorescence, quantitative analysis, and showcasing utility as a screening platform are included.
01:16
Surface Tension and Surface Energy
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2023
When a paint brush is immersed in water, the bristles wave freely inside the water. When it is taken out, the bristles stick together. The reason behind this effect is surface tension. Consider a beaker filled with liquid. The bulk molecules in the liquid experience equal attractive forces on all sides with the surrounding molecules. However, the surface molecules experience a net attractive force downward due to the bulk molecules. The surface of the liquid behaves like a stretched membrane,...
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These structural features create additional interfaces without requiring a proportional increase in overall organ volume. The resulting arrangement gives surrounding fluids or gases more tissue with which to interact and can shorten the distance that substances must cross. This supports efficient transport in organs where exchange, absorption, or gas movement must occur within limited anatomical space.
A shorter diffusion distance allows substances to cross tissue more readily, while a larger available interface provides more opportunity for movement between tissue and its surroundings. Together, these properties influence the effectiveness of exchange and transport. Their importance is evident in structures such as intestinal villi and pulmonary alveoli, where tissue architecture supports specialized movement of materials.
Tissue surface area affects several forms of interaction, including nutrient absorption, oxygen and carbon dioxide exchange, and solute movement. The relevant surrounding material may be a fluid, gas, cell, or another structure. Because different organs perform different exchanges, surface-area adaptations appear in distinct forms, including intestinal projections, branching structures, and alveolar arrangements.
In the intestine, folds, villi, and microvilli expand the functional interface available for absorption. This arrangement enables more contact between intestinal contents and tissue while preserving the organ's general volume. Consequently, tissue surface area provides a structural basis for understanding how the intestine supports nutrient uptake and why its microscopic architecture matters in medical interpretation.
Pulmonary alveolar structures provide an expanded tissue interface for oxygen and carbon dioxide exchange. Their arrangement also contributes to short diffusion distances, linking microscopic anatomy with respiratory function. Considering surface area therefore helps explain how lung tissue supports gas movement and provides a framework for interpreting changes in tissues involved in pulmonary exchange.
Assessing this property can contribute to disease assessment, drug delivery, wound treatment, and tissue engineering. Modifying the available interface may also be relevant when designing engineered grafts or studying solute movement across organs. In each setting, surface area connects tissue structure with transport or interaction, helping researchers evaluate how a tissue may perform or respond.