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Related Concept Videos

Skin Cancer01:30

Skin Cancer

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Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
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Reticular Dermis01:15

Reticular Dermis

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The papillary and reticular dermis are the two layers of the dermis. They are made of connective tissue with fibers of collagen extending from one to the other, making the border between the two somewhat indistinct. The dermal papillae extending into the epidermis belong to the papillary layer, whereas the dense collagen fiber bundles below belong to the reticular layer.
Reticular Layer
Underlying the papillary layer is the much thicker reticular layer, composed of dense, irregular connective...
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Pigmentation01:19

Pigmentation

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The color of the skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred to the keratinocytes via melanosomes.
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...
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Papillary Dermis01:11

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.
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Introduction to the Integumentary System01:25

Introduction to the Integumentary System

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The integumentary system is the organ system that comprises the skin and its associated structures. It is the largest system in the human body and plays a crucial role in protecting and maintaining homeostasis. The integumentary system serves several functions including protection, regulation, sensation, and secretion.
The skin, which is the primary organ of the integumentary system, consists of three main layers: the epidermis, dermis, and hypodermis (subcutaneous tissue). The epidermis is the...
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Layers of the Epidermis01:21

Layers of the Epidermis

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The epidermis, the outermost layer of the skin, is composed of several distinct layers. From deep to superficial, the layers of the epidermis are as follows:
Stratum Basale
Stratum basale, also known as the stratum germinativum, is the deepest layer of the epidermis. It is composed of a single layer of actively dividing cells called basal cells or basal keratinocytes. These cells constantly undergo cell division to replenish the upper layers of the epidermis. Additionally, melanocytes, which...
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Related Experiment Video

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Deep Dermal Injection As a Model of Candida albicans Skin Infection for Histological Analyses
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Only skin deep.

David Newnham

    Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
    |June 9, 2016
    PubMed
    Summary

    A concerning nasal change prompts a medical evaluation. Early detection and diagnosis are crucial for potential nasal conditions.

    Area of Science:

    • Dermatology
    • Otolaryngology

    Background:

    • A patient presents with a concerning observation regarding a nasal change.
    • This observation was noted by a healthcare professional, Janet.

    Purpose of the Study:

    • To investigate the nature of the observed nasal change.
    • To determine the appropriate diagnostic and management pathway.

    Main Methods:

    • Clinical observation of the nasal area.
    • Patient consultation regarding the noted change.

    Main Results:

    • A visible change on the patient's nose was identified.
    • Professional medical advice was given to seek further examination.

    Conclusions:

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    • The observed nasal alteration warrants professional medical assessment.
    • Prompt medical attention is advised for accurate diagnosis and treatment.