Related Experiment Video
Updated: Feb 10, 2026
09:24
O-Ring Aortic Banding Versus Traditional Transverse Aortic Constriction for Modeling Pressure Overload-Induced Cardiac Hypertrophy
Published on: October 6, 2022
4.3K
Pigmented transverse nasal band: A distinct presentation
Vijay Zawar1, Snehal Daga1, Manoj Pawar1
1Skin Disease Centre, Nashik, India.
Journal of Cosmetic Dermatology
|May 30, 2018
Summary
Pigmented transverse nasal band (PTNB) is a cosmetic concern linked to nasal cartilage development. This asymptomatic condition may have genetic links and co-occur with various skin disorders.
Area of Science:
- Medical morphology
- Human development
- Dermatology
Background:
- Pigmented transverse nasal band (PTNB) is a morphological finding primarily of cosmetic significance.
- Its etiology is thought to involve developmental defects in nasal cartilages and bones during childhood and adolescence.
Observation:
- PTNB is typically asymptomatic.
- It can be associated with a range of dermatological conditions, including seborrheic diathesis, dermatosis papulosa nigra, ichthyosis, atopic dermatitis, acne vulgaris, psoriasis, and seborrheic melanosis.
Findings:
- PTNB represents a specific anatomical variation.
- Potential genetic predispositions may contribute to its development.
Implications:
- Understanding PTNB aids in accurate diagnosis and cosmetic counseling.
- Association with dermatological conditions warrants further investigation into sharedPathogenic mechanisms.
Related Concept Videos
02:35Band Theory
17.3K
When two or more atoms come together to form a molecule, their atomic orbitals combine and molecular orbitals of distinct energies result. In a solid, there are a large number of atoms, and therefore a large number of atomic orbitals that may be combined into molecular orbitals. These groups of molecular orbitals are so closely placed together to form continuous regions of energies, known as the bands.
The energy difference between these bands is known as the band gap.
Conductor, Semiconductor,...
The energy difference between these bands is known as the band gap.
Conductor, Semiconductor,...
17.3K
01:25Self-Presentation
325
Self-presentation is a fundamental aspect of social interaction, shaping both how others perceive individuals and how they view themselves. This dynamic process influences behaviors in various social settings, often leading people to adjust their appearance, speech, and demeanor to align with their desired identity. While self-presentation can be deliberate or unconscious, it plays a critical role in interpersonal relationships and self-perception.Forms of Self-PresentationSelf-presentation can...
325
02:05Self-Presentation: Self-Monitoring and Self-Handicapping
44.8K
People can go to great lengths to protect their self-image and present themselves in ways that they want others to see them. Sociologist Erving Goffman presented the idea that a person is like an actor on a stage. Calling his theory dramaturgy, Goffman believed that we use “impression management” to present ourselves to others as we hope to be perceived. Each situation is a new scene, and individuals perform different roles depending on who is present (Goffman, 1959). Think about...
44.8K
01:12Strategies of Self-Presentation I: Strategic Self-Presentation
226
Strategic self-presentation refers to individuals' intentional efforts to influence how others perceive them. This process is employed in various social and professional settings, such as job interviews, dating, politics, and legal contexts, where individuals seek to shape impressions to gain social or material advantages. While people generally present themselves in ways that align with their authentic characteristics, external factors, such as cognitive load, can hinder their ability to...
226
01:29Processes of Self-Presentation
253
Effective self-presentation is a central component of social interaction and identity construction. It relies on the dynamic processes of defining the situation and engaging in self-disclosure. These mechanisms help individuals navigate social context expectations and manage how others perceive them, fostering mutual understanding and relationship development.Defining the SituationSocial situations are shaped by collectively understood frames—a set of widely understood rules or...
253
01:13Speed of a Transverse Wave
4.0K
The speed of a wave depends on the characteristics of the medium. For example, in the case of a guitar, the strings vibrate to produce the sound. The speed of the waves on the strings and the wavelength determine the frequency of the sound produced. The strings on a guitar have different thicknesses but may be made of similar material. They have different linear densities, and the linear density is defined as the mass per length.
One of the key properties of any wave is the wave speed. Light...
One of the key properties of any wave is the wave speed. Light...
4.0K