395 results filtered with: Digital Images
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Bioblasts
Odra Noel- Digital Images
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Neurons or nerve cells are the core components of the brain and spinal cord of the central nervous system (CNS), and of the ganglia of the peripheral nervous system (PNS) controlling many motor and sensory functions of the body.
Odra Noel- Digital Images
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Graphite, SEM
Khuloud T. Al-Jamal, Houmam Kafa, Noelia Rubio, Belén Ballesteros, Serene Tay & Michael Cicirko- Digital Images
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Osteoclast breaking down dentine, TEM
Kevin Mackenzie, University of Aberdeen- Digital Images
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Paeonia suffruticosa 'Chang Zhi Hong'
Dr Henry Oakeley- Digital Images
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Echinacea purpurea (L.) Moench Asteraceae. Coneflower. Distribution: North America. Austin (2004) records that the roots were chewed, or used as a tincture for coughs by the Choctaw. Combined with Rhus typhina to treat venereal disease by the Delaware. Very little record of this being used by Native Americans, who used E. angustifolia very widely - Regarded as a panacea and magical herb. This and E. pallida were used to treat snakebite, spider bite, cancer, toothache, burns, sores, wounds, flu and colds. E. purpurea in modern times has been used as an ‘immunostimulant’, but is known to cause a fall in white cell count, and to be purely a placebo. Licensed for use as a Traditional Herbal Medicine, which does not require proof of efficacy, in the UK. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley- Digital Images
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Polygala myrtifolia 'Grandiflora'
Dr Henry Oakeley- Digital Images
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Trifolium rubens L. Leguminosae. [Note the Family Leguminosae is preferred over Family Fabaceae as the former allows all the legumes to be in one Family and not three - one Family being the current consensus among botanists]. Red Feather Clover. Distribution: Europe. The white clover, Trifolium repens, is listed as a treatment for arthritis by Linnaeus (1782). This and Trifolium pratense, Red Clover, are the ones most used for pastures. All the clovers have root nodules which fix nitrogen from the air into the soil so have an important role in ensuring soil fertility. Trifolium rubens has the same nitrogen fixing ability, and is used as an ornamental garden plant where it still acts to improve fertility. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley- Digital Images
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Rosa damascena Mill. Rosaceae Distribution: Garden origin. A hybrid between R. gallica and R. moschata.. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley- Digital Images
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Hylotelephium telephium syn. Sedum telephium 'Matrona'
Dr Henry Oakeley- Digital Images
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Paeonia officinalis L. Paeoniaceae, European Peony, Distribution: Europe. The peony commemorates Paeon, physician to the Gods of ancient Greece (Homer’s Iliad v. 401 and 899, circa 800 BC). Paeon, came to be associated as being Apollo, Greek god of healing, poetry, the sun and much else, and father of Aesculapius/Asclepias. Theophrastus (circa 300 BC), repeated by Pliny, wrote that if a woodpecker saw one collecting peony seed during the day, it would peck out one’s eyes, and (like mandrake) the roots had to be pulled up at night by tying them to the tail of a dog, and one’s ‘fundament might fall out’ [anal prolapse] if one cut the roots with a knife. Theophrastus commented ‘all this, however, I take to be so much fiction, most frivolously invented to puff up their supposed marvellous properties’. Dioscorides (70 AD, tr. Beck, 2003) wrote that 15 of its black seeds, drunk with wine, were good for nightmares, uterine suffocation and uterine pains. Officinalis indicates it was used in the offices, ie the clinics, of the monks in the medieval era. The roots, hung round the neck, were regarded as a cure for epilepsy for nearly two thousand years, and while Galen would have used P. officinalis, Parkinson (1640) recommends the male peony (P. mascula) for this. He also recommends drinking a decoction of the roots. Elizabeth Blackwell’s A Curious Herbal (1737), published by the College of Physicians, explains that it was used to cure febrile fits in children, associated with teething. Although she does not mention it, these stop whatever one does. Parkinson also reports that the seeds are used for snake bite, uterine bleeding, people who have lost the power of speech, nightmares and melancholy. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley- Digital Images
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Sempervivum tectorum L. Crassulaceae Houseleek, Senegreene Distribution: Europe. Sempervivum means 'live forever', tectorum means 'roof', and was apparently grown on house roofs to protect against lightning. Lyte (1578 distinguishes Stonecrops (Sedum) from Sengreene (Sempervivum) for he advises the latter, alone or mixed with barley meal, applied topically to burns, scalds, St Anthony's fire [erysipelas] , ulcers and sores, will cure them and sore eyes. Apropos of stonecrops (Sedum), he describes the redness and blistering that the sap has on bare skin, and how it is good for poisons for if taken with vinegar by mouth it causes vomiting, but only safe to do so in strong people. He seems fairly confused as to which is which. Not approved by the European Medicines Agency for Traditional Herbal Medicinal use. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley- Digital Images
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Rubus spectabilis 'Olympic Double'
Dr Henry Oakeley- Digital Images
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Lung cancer cells
Anne Weston, Francis Crick Institute- Digital Images
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Arctium lappa L. Asteraceae. Greater Burdock. Distribution: Europe to India and Japan. Dioscorides (Beck, 2003) writes: '... helps those who spit blood and who suffer from abscesses ... plastered on it stems the pains around the joints that stem from twistings. The Leaves are applied beneficially on old ulcers.' Culpeper (1650) writes: ‘Burdanae, etc. Of Bur, Clot-Bur or Burdock, ... helps such as spit blood and matter, bruised and mixed salt and applied to the place, helpeth the bitings of mad dogs. It expels wind, easeth pains of the teeth, strengthens the back, helps the running of the reins, and the whites in women, being taken inwardly.’ The roots contain inulin, which is made into a non-digestible sweetener for diabetics. It has a multitude of uses in herbal medicine, in particular it is a component of a compound called ‘essiac’ that has been widely used as a treatment of cancers in the USA, but which is of no proven benefit. The young roots can be eaten raw or cooked. The seeds are hairy and care should be taken when harvesting them as inhaled they are reported as ‘toxic’. The root is licensed for use in Traditional Herbal Medicines in the UK (UK Medicines and Healthcare Products Regulatory Agency (MHRA)). Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley- Digital Images
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Rosa 'Ispahan'
Dr Henry Oakeley- Digital Images
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Matthiola incana (L.)W.T.Aiton Brassicaceae Distribution: The genus name commemorates Pietro Andrea Mattioli (1500/1–77), physician and botanist, whose name is Latinised to Matthiolus.. Incana means hoary or grey, referring to the colour of the leaves. Mattioli's commentaries on the Materia Medica of Dioscorides were hugely popular. Matthiola incana was first described by Linnaeus as Cheiranthus incanus, being changed to Matthiola by William Aiton, at Kew, in 1812. It is in the cabbage family. Commercial seed packets contain a mixture of single and double forms. The latter are sterile, but selective breeding has increased the proportion of double forms from the seed of single forms to as much as 80%. ‘Ten week stocks’ are popular garden annuals, flowering in the year of sowing, whereas ‘Brompton stocks’ (another variety of M. incana) are biennials, flowering the following year. Gerard (1633), called them Stocke Gillofloure or Leucoium, and notes the white and purple forms, singles and doubles. About their medicinal value he writes ‘not used in Physicke except among certain Empiricks and Quacksalvers, about love and lust matters, which for modestie I omit’. The thought of a member of the cabbage family being an aphrodisiac might encourage the gullible to take more seriously the government’s plea to eat five portions of vegetable/fruit per day. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley- Digital Images
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Catharanthus roseus (L.)G.Don Apocynaceae. Madagascar Periwinkle Distribution: Madagascar. It is the source of vincristine and vinblastine, which impair cell multiplication by interfering with microtubule assembly, causing metaphase arrest and are effective medications for leukaemias, lymphomas and some solid tumours. The mortality from childhood leukaemia fell from 100% to 30% once it was introduced - not a drug that could ethically be tested by double-blind trials. These chemicals were initially discovered by investigators in 1958 who were looking for cures for diabetes so tested this plant which was being used in the West Indies to reduce blood sugar levels. There are 70 different alkaloids present in this plant, and some - catharanthine, leurosine sulphate, lochnerine, tetrahydroalstonine, vindoline and vindolinine - lower blood sugar levels. However, the toxicity of this plant is such that this is not a plant to try at home for diabetic management. The vincristine content of the plant is 0.0003%, so two kilograms of leaf are required to produce sufficient vincristine for a single course of treatment for a child (6gm). Fortunately it is a vigorous weed and easy to grow in the tropics. Artificial synthesis has now been achieved. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley- Digital Images
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Dermatofibroma, LM
Kevin Mackenzie, University of Aberdeen- Digital Images
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Echinacea purpurea (L.) Moench Asteraceae. Coneflower. Distribution: North America. Austin (2004) records that the roots were chewed, or used as a tincture for coughs by the Choctaw. It was combined with Rhus typhina to treat venereal disease by the Delaware. Very little record of this being used by Native Americans, who used E. angustifolia very widely - Regarded as a panacea and magical herb. This and E. pallida were used to treat snakebite, spider bite, cancer, toothache, burns, sores, wounds, flu and colds. E. purpurea in modern times has been used as an ‘immunostimulant’, but is known to cause a fall in white cell count, and to be purely a placebo. Licensed for use as a Traditional Herbal Medicine, which does not require proof of efficacy, in the UK. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley- Digital Images
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Paeonia officinalis 'Flore Pleno'
Dr Henry Oakeley- Digital Images
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Mitochondria In Action
Odra Noel- Digital Images
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Tulipa hybrid
Dr Henry Oakeley- Digital Images
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Raspberry
Annie Cavanagh and Kate Keene- Digital Images
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Gloriosa superba L. Colchicaceae Gloriosa lily. Gloriosa rothschildiana is now a synonym. Climbing plant. Distribution: Southern Africa to Asia. National flower of Zimbabwe, state flower of Tamil Nadu. Contains colchicine which is poisonous, teratogenic and used for treating gout, Familial Mediterranean fever and Behcet's disease. Its toxicity limits its use as a anti-cancer agent. Photographed in the Medicinal Garden of the Royal College of Physicians, London.
Dr Henry Oakeley