Mitochondria Collection (#5)

Macrophage cell, TEM
Macrophage. Coloured transmission electron micrograph (TEM) of a macrophage cell. The cells nucleus is bright green. Mitochondria (green) in the cells cytoplasm produce energy for the cell

Skeletal muscle

Coloured SEM of healthy heart muscle fibres
Heart muscle. Coloured scanning electron micrograph (SEM) of healthy heart (cardiac) muscle fibres (green). Mitochondria (red) supply the muscle cells with energy

Osteoblasts, TEM
Osteoblasts. Coloured transmission electron micrograph of osteoblasts, bone-producing cells (pink). They contain rough endoplasmic reticulum (RER, dark pink lines), which produces

Illustration of the ultrastructure of a cell
Illustration of the ultrastructure of a typical cell. The anatomical components of this cell are seen in three-dimensions and colour-coded

Coloured SEM of mitochondria & ER in a liver cell
Mitochondria. Coloured Scanning Electron Micro- graph (SEM) of mitochondria and rough endoplasmic reticulum in a liver cell

Human epithelial cells. Fluorescent light micrograph of human epithelial cells in culture. The nuclei, which contain the cells genetic information DNA (deoxyribonucleic acid), have been dyed blue

Cell mitochondrion
False-colour transmission electron micrograph of a mitochondrion from an unidentified cell. Mitochondria are the sites of cell respiration; the chemical process which uses molecular oxygen to oxidise

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

Mitochondrial RNA binding proteins. Molecular model of mitochondrial RNA (ribonucleic acid) binding protein 1 (MRP1) and MRP2 complexed together

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

Mitochondrial Eve. Conceptual computer artwork of a circular molecule of mitochondrial deoxyribonucleic acid (DNA) floating above a hand. Mitochondria are cell organelles that produce energy

Circular DNA molecule, artwork
Circular DNA (deoxyribonucleic acid) molecule, computer artwork. Circular DNA has no ends, but consists of a ring structure

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

Muscle cell anatomy, artwork
Muscle cell anatomy. Artwork of the anatomy of a muscle cell, also known as a muscle fibre. The cell is surrounded by a plasma membrane called the sarcolemma (grey)

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

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)

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)

Lung cells, fluorescent micrograph
Lung cells. Immunofluorescence light micrograph of pulmonary endothelial cells. Endothelial cells are specialized epithelial cells that line the inner surface of blood vessels

Retinal rod cell anatomy, diagram

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)

Rare smalleye stingra
Sperm cell. Artwork of a spermatozoon, a human male sex cell. At left is the head, containing the genetic material in the nucleus

Retinal rod cell anatomy, artwork
Retinal rod cell anatomy. Artwork of the external (left) and internal (right) anatomical structure of a retinal cell. These cells are found in the retina that lines the back of the eyes

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, 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)

Macrophage cells, TEM
Macrophage cells, coloured transmission electron micrograph (TEM). The cell nuclei are purple. Mitochondria (dark pink ovals) in the cytoplasm produce energy for the cell

Mitochondrial energy, conceptual image. Computer artwork of a glowing mitochondrion, representing the energy produced by these cell organelles

Mitochondrion, SEM
Mitochondrion. Coloured scanning electron micrograph (SEM) of a mitochondrion in a nerve cell. Mitochondria are a type of organelle found in the cytoplasm of eukaryotic cells

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)

Coloured TEM of a yeast cell

Protozoan RNA-binding protein complex
RNA-binding protein complex. Computer model showing a guide RNA-binding protein complex (green and blue), bound to guide RNA (gRNA, yellow and red))

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

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Mitochondria, the powerhouse of the cell, play a vital role in various organisms. From budding yeast cells to ovarian cells, their presence is visually striking under scanning electron microscopy (SEM). The colored SEM image in ovarian cells showcases their intricate structure and diversity across different cell types. In nerve cells, transmission electron microscopy (TEM) reveals the fascinating architecture of mitochondria. These elongated organelles are strategically positioned along axons and dendrites, ensuring efficient energy supply for neuronal functions. The TEM images capture the complexity and importance within nerve cells. Moving beyond nerve cells, plasma cells also exhibit distinct mitochondrial features when observed through TEM. These specialized immune system components rely on robust energy production to carry out antibody synthesis efficiently. Their unique morphology highlights how mitochondria adapt to meet specific cellular demands. The eye muscle's TEM image further emphasizes the significance in highly active tissues. With an abundance of these organelles, eye muscles can sustain continuous contractions required for precise vision movements. Macrophage cells also showcase intriguing mitochondrial structures when examined using TEM techniques. As key players in our immune defense system, macrophages require substantial energy reserves to engulf pathogens effectively. Mitochondrial dynamics contribute significantly to this process by providing ample ATP generation. Under SEM imaging techniques specifically focused on mitochondria themselves, their distinctive shape becomes apparent—ranging from elongated tubules to spherical forms that vary across species and tissue types. Understanding animal cell structure necessitates studying not only individual organelles but also their interactions with other cellular components like DNA-binding proteins such as TFAM transcription factor bound to DNA shown in C015 / 7059 micrograph. Exploring various microscopic views allows us to appreciate the remarkable diversity and essential roles played by mitochondria across different cell types and organisms alike—a testament to their fundamental significance within biological systems.