Connective Tissue Collection (#7)

False-colour TEM of collagen fibres
False colour transmission electron micrograph showing fibrils of collagen, the principal component of white connective tissue

Collagen fibres, SEM
Collagen fibres. Coloured scanning electron micrograph (SEM) of healthy collagen fibres from human connective tissue. Collagen is the major structural protein in the body

Ovarian tissue, SEM
Ovarian tissue. Coloured scanning electron micrograph (SEM) of a section through the medulla of an ovary showing blood vessels (pink)

Tooth dentine, SEM
Tooth dentine. Coloured scanning electron micrograph (SEM) of dentine from a milk tooth. The bulk of a tooth is formed of dentine, a mineralised connective tissue with a similar composition to bone

Dentin tooth tissue, SEM
Dentin tooth tissue. Coloured scanning electron micrograph (SEM) of dentin tooth tissue. Dentin is mineralised connective tissue that makes up the majority of a tooth

Oesophagus wall, light micrograph
Oesophagus wall. Coloured light micrograph of a section through the human oesophagus, which passes food from the mouth to the stomach

Trachea epithelium, light micrograph
Trachea epithelium. Light micrograph of a vertical section through the pseudostratified columnar epithelium from the trachea

Outer layers of the eye, SEM
Outer layers of the eye. Coloured scanning electron micrograph (SEM) of the choroid (top) and sclera (bottom) layers of the eye. The sclera is the white outer layer of the eye

Skeletal muscle fibre. Coloured scanning electron micrograph (SEM) of skeletal muscle fibre. This type of muscle is striated

Smooth muscle, SEM
Smooth muscle. Coloured scanning electron micrograph of smooth muscle from the trachea (windpipe). Smooth muscle is not under voluntary control, unlike skeletal (striated) muscle

Blood vessel, SEM
Blood vessel. Coloured scanning electron micrograph (SEM) of a congested blood vessel in human foreskin. The vessel is filled with erythrocytes (red blood cells)

Mast cell, SEM
Mast cell, coloured scanning electron micrograph (SEM). Mast cells are a type of white blood cell that are found in connective tissue

Red blood cells and molecules, artwork
Red blood cells and drug molecules, computer artwork. Red blood cells (erythrocytes) are responsible for supplying tissues with oxygen and are the most abundant type of cell in the blood

Lacrimal gland, SEM

Uterus cells, TEM
Uterus cells. Coloured transmission electron micrograph (TEM) of endometrial cells (yellow) from the uterus. These cells form the endometrium, the epithelial tissue lining inside the uterus

Salivary gland, light micrograph
Salivary gland. Coloured light micrograph of a section through a sublingual salivary gland, which is situated directly under the tongue

Myelinated nerve fibres, SEM
Myelinated nerve fibres. Coloured scanning electron micrograph (SEM) of a section through a bundle of nerve fibres containing a blood vessel (orange)

Nerve fibres. Coloured scanning electron micrograph (SEM) of parallel myelinated nerve fibres in the spinal cord. Each fibre consists of a nerve cell axon, the output process of a nerve cell

Lymph node, SEM
Lymph node. Coloured scanning electron micrograph (SEM) of a freeze fracture section through a lymph node, showing part of the medullary sinus

Blood vessels, light micrograph
Blood vessels. Light micrograph of a section through tissue showing an artery (bottom left) and a vein (top right). Two nerve fibres (dark blue) are also seen

Artery anatomy, artwork
Artery anatomy, computer artwork. At the centre of the artery is the lumen, with three red blood cells (erythrocytes, bottom right)

Cartilage cell, SEM
Cartilage cell. Coloured scanning electron micrograph (SEM) of a section through a chondrocyte cell (centre) in cartilage

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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.