Cellular Structure Collection

Cross-section diagram of a cancerous tumour including calcium deposits, blood vessels, tumour outgrowth, epithelial layer, ulcerated area, bleeding, nerve fibres, dead tissue and a lymph vessel

Skin cancer cell, SEM C016 / 4764
Skin cancer cell. Coloured ion-abrasion scanning electron micrograph (IA-SEM) of a melanoma cell. The large dark sphere is the cell nucleus, which contains the cells genetic information

Cross-section diagram of a non-cancerous tumour including a fibrous capsule, tissue layer and blood vessel

Stem section, SEM
Stem section. Coloured scanning electron micrograph (SEM) of a section through a stem of a woody dicotyledon plant. This stem consists mainly of secondary xylem tissue (orange, centre)

Root section, SEM
Root section. Coloured scanning electron micrograph (SEM) of a section through a root of a woody dicotyledon plant. This root consists of secondary xylem tissue (yellow, centre)

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"Exploring the Intricacies of Cellular Structure: Unveiling the Mysteries Within" Delving into the microscopic world, this captivating cross-section diagram reveals the complex cellular structure of a cancerous tumour. Calcium deposits intricately interwoven with blood vessels form a web-like pattern, highlighting the aggressive nature of this disease. The tumour outgrowth extends its reach, infiltrating surrounding tissues and disrupting normal functioning. Within this malignant landscape, an epithelial layer can be observed struggling to contain the chaos. An ulcerated area exposes raw tissue, causing bleeding and adding to the turmoil within. Nerve fibres intertwine amidst these aberrant cells, hinting at their involvement in transmitting pain signals. Amidst this disarray lies dead tissue - a somber reminder of lost vitality. A lymph vessel stands as a silent witness to immune responses fighting against this invasive force. Shifting our focus from malignancy to benignity, another cross-section diagram unravels the intricate components of a non-cancerous tumour. Encased within a protective fibrous capsule lies harmoniously arranged tissues alongside delicate blood vessels – showcasing an organized coexistence rather than chaotic growth. Beyond tumors lie other fascinating cellular structures; molecules like sucrose and caffeine captivate us with their elegant simplicity yet profound impact on our daily lives. Phenylalanine's molecular model reminds us that even at such minuscule scales, life-sustaining building blocks are formed. Zooming further into nature's wonders brings us face-to-face with stem sections under scanning electron microscopy (SEM). These resilient structures hold immense potential for regeneration and growth – embodying hope for scientific advancements in medicine and agriculture alike. The SEM imagery continues its exploration by unveiling xylem plant cells found within stems and roots - conduits responsible for transporting water and nutrients throughout plants' vascular systems. Their intricate patterns showcase nature's impeccable design aimed at sustaining life itself. In this captivating journey through cellular structures, we witness the duality of existence.