Membrane Collection (#8)

Potassium channel molecule. Molecular model of a KcsA potassium ion (K+) channel molecule from Streptomyces lividans bacteria

Nanopore DNA sequencing, conceptual image C013 / 8901
Nanopore DNA sequencing, conceptual image. Computer artwork of a DNA (deoxyribonucleic acid) strand (green and red) being sequenced (letters) as it passes through a nanopore (tiny hole)

Potassium channel molecule C013 / 8878
Potassium channel molecule. Computer model showing the secondary structure of a KcsA potassium ion (K+) channel molecule from Streptomyces lividans bacteria

Sucrose-specific porin molecule C013 / 8870
Sucrose-specific porin molecule. Moleuclar model showing the secondary and quaternary structure of a molecule of sucrose-specific porin

Cell membrane, artwork C013 / 7468
Computer artwork of a cutaway view of the human cell membrane. The cell Membrane is a complex part of the cell that controls what can get in and out of the cell

Sperm cell anatomy, artwork C013 / 4648
Sperm cell anatomy. Cutaway computer artwork showing the internal structure of a sperm cell (spermatozoon), the male sex cell

Retinal rod cell, TEM C013 / 4805
Retinal rod cell. Transmission electron micrograph (TEM) of a section through a rod cell from the retina of an eye, showing the inner segment (bottom) filled with mitochondria (green)

Retinal rod cell, TEM C013 / 4804
Retinal rod cell. Transmission electron micrograph (TEM) of a section through a rod cell from the retina of an eye, showing the inner segment (bottom) filled with mitochondria (green)

Egg shell membrane, SEM
Egg shell membrane, coloured scanning electron micrograph (SEM). Broken egg shell, showing details of the membrane (across bottom) that is on the inside of the shell wall

Ginger, SEM
Ginger. Coloured scanning electron micrograph of an oil globule from a secretory cell on the rhizome of ginger (Zingiber officinale). Ginger is commonly used as a cooking spice throughout the world

Rhinolophus hipposideros, lesser horseshoe bat
Plate from a collection of pencil sketches and watercolour drawings of British mammals c. 1890-1910 by Edward Adrian Wilson (1872-1912)

Ostrich (Struthio camelus) adult, close-up of head, with nictitating membrane fully closed (captive)

Common Raven (Corvus corax principalis) adult, close-up of head, nictitating membrane over eye, Rocky Mountains, Alberta, Canada, june

Booted Eagle (Hieraaetus pennatus) adult, close-up of eye with nictitating membrane, Spain, july

Adipose tissue, SEM
Adipose tissue. Coloured scanning electron micrograph (SEM) of adipose tissue. The tissue consists of adipocyte cells, whose lipid (fat) contents has been largely removed

Small intestine villus, SEM
Small intestine villus. Coloured scanning electron micrograph (SEM) of a freeze fracture section through a villus from the mucosal lining of the small intestine

Eardrum, SEM
Eardrum. Coloured scanning electron micrograph (SEM) of an eardrum (red). The eardrum, or tympanic membrane, is located in the middle ear

Myelin surrounding a nerve axon, TEM
Myelin surrounding a nerve axon, coloured transmission electron micrograph (TEM). The concentric round rings are the sheets of a Schwann cells myelin membrane (brown rings)

Spinal cord. Artwork taken from Govard Bidloos Anatomia Humani Corporis (Anatomy of the Human Body), published 1685. The dura mater, or tough outer membrane of the brain and spinal cord

Cardiac muscle. Coloured scanning electron micrograph (SEM) of heart (cardiac) muscle fibrils (yellow). The membrane around the muscle has been torn (yellow)

AIDS virus particles, computer artwork
HIV particles, computer artwork. HIV (human immunodeficiency virus) causes AIDS (acquired immune deficiency syndrome). The outer layer of the virus particle is a membrane envelope (black)

Hydrogen fuel cell. Artists impression of bubbled gas passing through a solution in which a hydrogen fuel cell has been immersed

High blood pressure, artwork
High blood pressure. Artwork of some of the effects of high blood pressure (hypertension). This can be caused by an excess of calcium ions (green, lower centre)

Pericardium, TEM
Pericardium. Coloured transmission electron micrograph (TEM) of a section through the serous pericardium. The pericardium is a double-walled sac surrounding the heart

Brain artery, SEM
Brain artery. Coloured scanning electron micrograph (SEM) of a freeze-fractured artery from the brain. The fracture plane has passed through the artery

Kidneys, nerves and blood vessels
Kidneys, historical anatomical artwork. This dorsal (back) view shows the kidneys and associated nerves lying outside the peritoneum (membrane lining the abdominal cavity)

Ebola virus replication, TEM

Runny nose. Artwork of a section through the ear, nose and throat of a patient with excessive mucus production due to a cold or hay fever (allergic rhinitis)

Ebola virus, TEM
Ebola virus. Coloured transmission electron micrograph (TEM) of the extrusion (release) of an Ebola virus (red) from a host cell (green)

AIDS virus particle, TEM
AIDS virus particle. Coloured transmission electron micrograph (TEM) of a section through an AIDS virus particle leaving a host cell (green, lower frame)

Coloured TEM of herpes simplex viruses inside cell
Herpes simplex viruses. Coloured transmission electron micrograph (TEM) of a section through a cell infected with herpes simplex viruses

SEM of internal membrane of hen eggshell
Eggshell membrane. Scanning electron micrograph (SEM) of the internal membrane from the shell of a hens egg. Several membranes are found around the embryo in a birds egg

Nasal polyp, light micrograph
Nasal polyp. Light micrograph of a section through a nasal polyp, a benign growth that arises from a mucous membrane. Magnification: x150 when printed at 10 centimetres wide

Freeze fracture micrograph of cell nucleus
Cell nucleus. Freeze-fracture scanning electron micrograph of a cell from a parathyroid gland. In the lower left is the nucleus (orange), studded with nuclear pores

Potassium channel molecular model
Potassium channel research. Molecular model of the molecular structure of a KcsA potassium ion (K+) channel (brown spirals, centre) from a mouse (mus musculus)

TEM of a cell nucleus membrane showing pores
Cell nucleus membrane. Transmission electron micrograph (TEM) of a section through part of the nuclear membrane of a kidney cell revealing its nuclear pores

Simulated space ice. Light micrograph of vesicles (round structures) in ice formed under conditions simulating those in space

Illustration of ion chanels in plasma membrane
Illustration of a model for the potassium and sodium ion channels through pores in the plasma membrane of an animal nerve cell: an example of active transport, where solutes (ions, sugars)

Col. freeze-fracture TEM of cell nucleus membrane
Cell nucleus membrane. Coloured freeze-fracture transmission electron micrograph (TEM) of part of the nuclear membrane of a liver cell

Artwork of ER, golgi body, plasma membrane of cell
Illustration of membrane structures in a cell: endoplasmic reticulum, golgi apparatus and plasma membrane. At top, the nucleus is seen with pores, & ribosomes (pink dots) on its surface

Mitochondria. Coloured transmission electron micrograph of mitochondria (circles). A mitochondrion is a membrane-bound organelle that exists in eukaryotic cells

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

Liposomes, SEM

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)

Liposomes, TEM

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

Herpes virus particles, artwork
Herpes virus particles, computer artwork. Each particle (virion) consists of DNA (deoxyribonucleic acid) contained within a capsid and an envelope covered in glycoprotein spikes

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The intricate anatomy of the human ear is beautifully depicted in this lithograph, published in 1876. One notable feature highlighted here is the membrane, which plays a crucial role in transmitting sound waves to our auditory system. Moving on to cellular structures, the rough endoplasmic reticulum (ER) takes center stage under a transmission electron microscope (TEM). This network of membranes within cells is responsible for protein synthesis and transport. Artwork showcasing different cell types also emphasizes the significance of membranes. From the delicate cell membrane itself, represented by artwork C013 / 7467, to mitochondria seen through TEM imaging - these organelles possess their own unique membranes that regulate various cellular functions. Intriguingly, even chloroplasts have their own distinct membrane structure as revealed by artwork dedicated to studying photosynthesis. These specialized organelles found in plants are responsible for converting sunlight into energy. Beyond biology, membranes find relevance elsewhere too. Think about damp-proofing measures taken in houses – membranes act as barriers against moisture infiltration and protect our living spaces from potential damage. However, not all mentions of they are positive. Bacterial meningitis can be detected through MRI scans where inflammation affects the protective brain meninges' integrity. Understanding how pathogens breach these defensive layers helps diagnose and treat such infections effectively. Nature's wonders also exhibit fascinating adaptations involving membranes; take Plecotus sp. , commonly known as long-eared bats with their remarkable hearing abilities thanks to specialized ear membrane structures aiding echolocation skills. Zooming into finer details under TEM again reveals eye muscles' intricate arrangement (TEM C014 / 1468), highlighting how well-organized muscle fibers rely on precise membranous connections for coordinated movement and vision control. Lastly, let's not forget intestinal microvilli observed through TEM – finger-like projections covered by plasma membrane lining our intestines play a vital role in nutrient absorption during digestion processes. From ancient lithographs to modern imaging techniques, the significance of membranes spans across various fields.