Organelles Collection (#4)

Cells. Computer artwork of non-specific cells. The red dot in the centre of each cell is the nucleus where the DNA (deoxyribonucleic acid) of each cell is stored

Animal cell structure, computer artwork
Animal cell. Computer artwork of a section through an animal cell. At the centre is the nucleus, which contains the cells genetic information in the form of DNA (deoxyribonucleic acid)

Cellular clock. Conceptual artwork of a clock and the internal structures (organelles) of an animal cell. This could represent the rate of metabolic cell reactions

Evolving protocell, artwork
Evolving protocell. Image 3 of 5. Artwork showing a protocell (artificial cell). This protocell was formed from a synthetic primeval soup containing PNA (peptide nucleic acid, orange)

Cardiac muscle, SEM
Cardiac muscle. Coloured scanning electron micrograph (SEM) of a bundle of cardiac muscle fibrils (green) from a healthy heart. Mitochondria (round, orange) supply the muscle cells with energy

Newly formed protocell, artwork
Newly formed protocell. Image 2 of 5. Artwork showing cellular components inside a basic cell membrane. This protocell (artificial cell)

Plant cells, artwork
Plant cells, computer artwork

Plant cell, artwork
Plant cell, computer artwork

Cell nucleus, TEM
Cell nucleus. Coloured transmission electron micrograph (TEM) of a section through a cell, showing the nucleus (large, spherical), and mitochondria (green)

Chloroplasts, light micrograph. Chloroplasts are one of the features that distinguish a plant cell from an animal cell. They contain chlorophyll

Yeast cell, artwork
Yeast cell. Computer artwork showing the structure of a yeast cell

Cytokinesis, artwork
Cytokinesis. Artwork showing the stage of cell division that involves the splitting of the cell cytoplasm between two daughter cells

Cytokinesis, diagram
Cytokinesis. Diagram showing the stage of cell division that involves the splitting of the cell cytoplasm between two daughter cells

Nerve cell anatomy, artwork
Nerve cell anatomy. Computer artwork showing the organelles in a neurone (nerve cell). At centre is nucleus (grey) and nucleolus (black)

Kidney cells, light micrograph
Kidney cells. Quantum dot fluorescence micrograph of a section through kidney tissue showing its cells

Mitochondrion, artwork
Mitochondrion. Cutaway artwork showing the internal structure of a mitochondrion. This structure, found in eukaryotic cells, is the site of energy production

Animal cell processes, artwork
Animal cell processes. Cutaway artwork showing the structures inside an animal cell and four different processes that take place inside it or on its membrane (all marked by magnifying glasses)

Animal cell structure, artwork
Animal cell structure. Artwork showing the internal structure of an animal cell. Inside the cell, the cellular structures (organelles) include the Golgi apparatus (green)

Milk-producing cell, artwork
Milk-producing cell. Artwork of the anatomical structure of a lacteal (milk-producing) cell. Normal cell organelles include the nucleus (black, centre), the golgi apparatus (white)

Milk-producing cell, diagram
Milk-producing cell. Diagram of the anatomical structure of a lacteal (milk-producing) cell. Normal cell organelles include the nucleus (black, centre), the golgi apparatus (white)

Animal cell anatomy, artwork
Animal cell anatomy. Artwork showing the internal and external anatomy of an animal cell

Animal cell, artwork
Animal cell. Computer artwork of an expanded animal cell. At centre left is the nucleus (purple sphere), which contains the cells genetic information in the form of DNA (deoxyribonucleic acid)

Heart muscle fibres, SEM
Heart muscle fibres. Coloured scanning electron micrograph (SEM) of cardiac muscle fibrils (pink) from a healthy heart. The muscle fibrils, or myofibrils

Cartilage cells, TEM
Cartilage cells. Coloured transmission electron micrograph (TEM) of a section through chondrocytes from nasal hyaline cartilage

Plant cell, SEM
Plant cell. Coloured scanning electron micrograph (SEM) of a section through a plant cell, revealing its internal structure. The cell is encased in a cellulose, hemicellulose and pectin cell wall

Small lymphocyte, TEM
Small lymphocyte. Coloured transmission electron micrograph (TEM) showing the large central nucleus (brown) of a small lymphocyte (white blood cell)

White blood cell, TEM
White blood cell. Coloured transmission electron micrograph (TEM) of an eosinophil (a type of white blood cell), part of the bodys immune system

Cell organelles, SEM
Cell organelles. Coloured scanning electron micrograph (SEM) of a section through a cell from a kidney proximal tubule. The cell nucleus (partially seen at top left)

Intestinal smooth muscle cells, TEM
Intestinal smooth muscle cells. Coloured transmission electron micrograph (TEM) of a section through several smooth muscle cells from the intestines

Yeast cell, electron tomogram image. Yeast cell, Schizosaccharomyces pombe, created using a 3-D electron microscope. This involves firing beams of electrons from many different angles to create

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Organelles are the tiny structures within cells that perform specific functions, much like organs in our body. They play a crucial role in maintaining the overall health and functionality of cells. Let's take a closer look at some fascinating organelles through various artistic representations and microscopic images. The rough endoplasmic reticulum (ER) is an extensive network of membranes involved in protein synthesis and transport within cells. In a stunning transmission electron microscopy (TEM) image, we can witness its intricate structure resembling a maze, highlighting its importance in cellular processes. Different cell types exhibit unique characteristics, as beautifully depicted through artwork. One such example is the Trypanosome protozoan, an intriguing single-celled organism with flagella that causes African sleeping sickness. Its distinct shape captured in artwork showcases its remarkable adaptability to survive within hosts. Nerve cells are vital for transmitting electrical signals throughout our bodies. TEM images provide us with breathtaking glimpses into their complex structure - long branching extensions called dendrites and axons covered by myelin sheaths - enabling efficient communication between neurons. Plasma cells are specialized immune cells responsible for producing antibodies to fight infections. A TEM image reveals their characteristic appearance with abundant rough ER indicating high protein synthesis activity, emphasizing their critical role in immunity. Another essential organelle is the Golgi apparatus, which modifies and packages proteins for transportation within or outside the cell. Scanning electron microscopy (SEM) provides detailed views of this organelle's stacked membrane discs resembling pancakes - an architectural marvel. Purkinje nerve cells found in the cerebellum coordinate movement control; they possess elaborate dendritic trees allowing them to receive vast amounts of information from other neurons. TEM captures these intricacies perfectly, showcasing their significance for motor coordination. Fibroblast cells contribute to tissue repair by synthesizing extracellular matrix components like collagen fibers. Artwork representing fibroblasts highlights their elongated shape and their role in maintaining tissue integrity.