Connective Tissue Collection (#11)

Nerve bundle, SEM
Nerve bundle. Coloured scanning electron micrograph (SEM) of a freeze-fractured section through a bundle of myelinated nerve fibres. Myelin sheaths (yellow) can be seen surrounding the axons (blue)

Muscle anatomy, artwork
Muscle anatomy. Computer artwork of a cross-section through a skeletal muscle. Single muscle fibres (top right) are made up of many myofibrils surrounded by endomysium connective tissue (orange)

Olfactory epithelium, artwork
Olfactory epithelium. Computer artwork showing the structure of the specialised layer of tissue that lines the inside of the nasal cavity and is involved in smell

Trabeculae carneae in the heart, SEM
Trabeculae carneae in the left ventricle of the heart, coloured scanning electron micrograph (SEM). Endocardial connective tissue is also seen

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

Skeleton and ligaments, artwork
Female skeleton, computer artwork. The human skeleton has 206 bones. The skull (at top) protects the brain. The ribs of the chest (at upper centre) enclose the heart and lungs

Collagen, SEM
Collagen fibres, coloured scanning electron micrograph (SEM). Collagen, a type of connective tissue, is the main structural protein in the body

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

Small intestine lining, light micrograph
Small intestine lining. Light micrograph of a section through the finger-like projections (villi) of the duodenum, the uppermost part of the small intestine

Gall bladder surface, light micrograph
Gall bladder surface. Coloured light micrograph of a section through a gall bladder, showing the surface tissue layers. The gall bladders surface is made up of tiny finger-like projections called

Tendon fibres, SEM
Tendon fibres. Coloured freeze-fracture scanning electron micrograph (SEM) of tendon fibres. These fibres are made from collagen

Snake intestine, SEM
Snake intestine. Coloured scanning electron micrograph (SEM) of a freeze-fracture through the intestine of a snake. The mucosa (brown)

Snake dermis fibres, SEM
Snake dermis fibres, coloured scanning electron micrograph (SEM). The dermis is the layer of living skin below the outer epidermis and the scales of a snake

Skin tissue, SEM
Skin tissue. Coloured scanning electron micrograph (SEM) of a freeze-fracture through human skin tissue. The fracture plane (lower frame) has revealed the pseudo-stratified epithelium (below surface)

Thyroid parafollicular cell, TEM
Thyroid parafollicular cell, coloured transmission electron micrograph (TEM). This section has revealed the cells nucleus (light brown)

Oviduct mucosal folds, light micrograph. This section through the folds shows the ciliated columnar epithelium (red) and the connective tissue core (green)

Pancreas acinus, SEM
Pancreas acinus. Coloured scanning electron micrograph (SEM) of a freeze-fracture through an acinus (yellow) in the pancreas. An acinus is a collection of glandular epithelial cells

Kidney, longitudinal section
Kidney. Light micrograph of a longitudinal section through a kidney, showing the outer region (cortex, round the edges) and the inner region (medulla, centre)

Hyaluronic acid, molecular model. Hyaluronic acid (or hyaluronon) is a glycosaminoglycan, a type of biological polymer made up of repeating units of a disaccharide (two sugar molecules)

Blood, computer artwork
Blood. Computer artwork depicting numerous red blood cells (erythrocytes, circular) circulating in the blood. Red blood cells are biconcave, giving them a large surface area for gas exchange

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Connective tissue is a remarkable network that holds our bodies together, providing support and structure to various organs and systems. In the anatomy of the human knee joint, connective tissue plays a crucial role in maintaining stability and allowing smooth movement. Lactating breast tissue, as seen under a light microscope, showcases the intricate arrangement of connective fibers that aid in milk production. Examining tendons through scanning electron microscopy reveals their strong composition primarily made up of collagen fibers. These tough yet flexible strands provide resilience and enable efficient transmission of forces between muscles and bones. Artwork depicting outer ankle ligaments (C013 / 4452) illustrates how connective tissue safeguards joints from excessive movements while ensuring proper alignment during physical activities. Similarly, inner ankle ligaments (C013 / 4451) contribute to joint stability by connecting bones within the ankle region. Even on a microscopic level, connective tissue continues to amaze us. Computer artwork showcasing red blood cells highlights their vital role in transporting oxygen throughout our body via an intricate network of capillaries embedded within this specialized type of connective tissue. Delving into human tooth anatomy through artwork unveils another aspect where they are present – supporting structures like periodontal ligament that anchor teeth firmly within the jawbone. Fibroblast cells depicted in artwork demonstrate their pivotal function in synthesizing extracellular matrix components such as collagen and elastin – essential for wound healing and maintaining overall tissue integrity. Mesenchymal stem cells captured using scanning electron microscopy exhibit immense potential for regenerative medicine due to their ability to differentiate into various cell types found within different types of connective tissues. The optic nerve fibers imaged under SEM highlight how delicate yet resilient these structures are, responsible for transmitting visual information from our eyes to the brain with utmost precision thanks to surrounding supportive connective tissues. Lastly, examining fat tissue at high magnification reveals its unique structure composed mainly of adipocytes, which store energy and provide insulation.