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Topic: Sebum


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In the News (Mon 13 Feb 12)

  
  Sebum cholesterol oily scalp can lead to hair loss and hair thinning
Over time Sebum becomes very hard and mixes with the cholesterol on the scalp to either cause hair loss or accelerate hair loss.
The sebum hardens and mixes with cholesterol to form hardened plugs that can surround the hair.
Over 80% of women complaining of hair problems had sebum, bacteria or dirt surrounding the hair bulb not allowing cell respiration.
www.mmtresearch.com /sebum.htm   (253 words)

  
  sebum - Search Results - MSN Encarta
Sometimes sebum becomes clogged in the opening of a sebaceous gland and forms a flhead.
Sebum is your skin's natural oil, and it keeps your skin soft and...
Sebum is your skin 's natural oil, and...
encarta.msn.com /encnet/refpages/search.aspx?q=sebum   (184 words)

  
  Retinyl palmitate from vesicles   (Site not responding. Last check: 2007-10-26)
Human sebum is a mixture of triglycerides, fatty acids, wax esters, squalene, cholesterol, and cholesterol esters.
The objective of this study was to examine the physical state of a model sebum and the effect of variations in its composition on its physical properties including (a) the carbon chain length of the components, (b) the ratio of unsaturated to saturated components, and (c) the ratio of triglycerides to fatty acids.
Considering a reduction in Mp-3 and/or Mp-4 to represent sebum "fluidization," it was achieved by a decrease in carbon chain length, an increase in unsaturation, or a substitution of triglycerides by corresponding fatty acids.
www.rci.rutgers.edu /~zatz/Abstracts/ADSCsebum.html   (479 words)

  
  Spartanburg SC | GoUpstate.com | Spartanburg Herald-Journal   (Site not responding. Last check: 2007-10-26)
In the glands, sebum is produced within specialized cells and is released as these cells burst; sebaceous glands are thus classified as holocrine glands.
At the rim of the eyelids, meibomian glands are a specialized form of sebaceous gland that secrete sebum into the tears coating the eye to prevent evaporation.
Certain species of Demodex mites feed on sebum and are commonly found in the sebaceous glands of mammals, including those of humans.
www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=sebum   (557 words)

  
 Skin secretions, sebum by Hippocrates
Sebum changes during acne and one of the goals of any acne treatment is to control sebum.
Sebum is formed in sebaceous glands by decomposition of lipid-containing cells.
Several pieces of evidence support the concept that a high level of sebum secretion from sebaceous follicles is a contributing cause of acne vulgaris.
www.hippocrates.ca /acne/sebum.htm   (308 words)

  
 Patent 6,271,268
Sebum is composed of triglycerides, wax, sterol esters and squalene.
Sebum is produced in the acinar cells of sebaceous glands, accumulates as those cells age and migrates towards the center of the gland.
Formation of sebum is regulated by a variety of hormones that act primarily to regulate the rate of lipid metabolism.
www.pharmcast.com /Patents/Yr2001/August2001/080701/6271268_Sebum080701.htm   (1850 words)

  
 Sebum, Sweat, Skin pH and Acid Mantle
Sebum is an oily secretion produced by sebacious glands, tiny ducts adjacent to hair follicles.
Sebum is secreted into the follicle, from which it spreads over the hair and skin.
Lack of sebum, which is common in middle and older age, leads to skin dryness and accelerates wrinkle formation.
www.smartskincare.com /skinbiology/sebum.html   (268 words)

  
 American Chronicle: Acne Treatment - What Is Sebum?
Sebum is part of the oil that is found on the surface of the skin.
Sebum reaches hair follicles and coats the hair and also reaches the skin through the hair follicles.
Sebum is required to protect our skin, but increased production of sebum leads to oily skin and frequent acne flare-ups.
www.americanchronicle.com /articles/viewArticle.asp?articleID=13135   (586 words)

  
 SEBUM Articles The sebaceous glands are glands fou
In the glands, sebum is produced within specialized cells and is released as these cells burst; sebaceous glands are thus classified as holocrine glands.
Due to the oily nature of sebum and its exposure to dust and dirt causes bacterial growth and results in what is commonly known as the pimple.
Sebum is produced by the sebaceous glands in the skin.
www.amazines.com /Sebum_related.html   (2707 words)

  
 Contraception Online Slides - sebum, sebaceous gland, acne, vitamin A derivatives, treatment, total testosterone, ...
Sebum is secreted by the sebaceous glands under the control of androgens and consists of squalene, free fatty acids, wax esters, and triglycerides.
The severity of acne is correlated with volume of sebum produced.
As shown in this slide, sebum production is stimulated by dihydrotestosterone, which is derived from free testosterone in the presence of 5α-reductase.
www.contraceptiononline.org /slides/slide01.cfm?q=sebum   (789 words)

  
 The sebaceous, apocrine and eccrine sweat glands are situated in the human skin.
Sebum is a mixture of different waxes and fats, and the facial skin contains nearly three thousand of these glands per square inch.
The sebum is manufactured in the glands and is secreted through a small duct leading from the gland to the hair shaft.
Sebum is produced to keep the skin lubricated and to prevent it from drying out, yet an over-production of sebum creates its own range of problems.
www.dermaxime.com /skin-sweat-glands.htm   (648 words)

  
 sebum: origin of the medical term from Bill Casselman's Canadian Word of the Day
Sebum is the oily secretion of the sebaceous glands in the dermis layer of the skin.
Sebum is produced when the sebaceous gland disintegrates.
A sebaceous cyst is a tiny sac of often rancid sebum, sometimes involving a hair follicle.
www.billcasselman.com /dictionary_of_medical_derivations/thirteen_sebum.htm   (435 words)

  
 ACNEwise | Learn how reducing Sebum Production can help treat and eliminate acne   (Site not responding. Last check: 2007-10-26)
The sebaceous glands secrete an oily substance called sebum that is made of fat (lipids) and the debris of dead fat-producing cells.
The functions of sebum are to reduce water loss from the skin surface, keeping the skin from becoming dry, brittle, and cracked and to protect the skin from infection by bacteria and fungi.
There is a clear relation between the severity of acne and the sebum secretion rate and it is clear from the successful results of acne suffers using Roaccutane (Isotretinoin) that reducing the production of sebum eliminates acne.
www.acne-wise.com /sebum.htm   (1936 words)

  
 sebum | Other | Dictionary & Translation by Babylon
The sebaceous glands are glands found in the skin of mammals.
They secrete an oily substance called sebum (Latin, meaning fat or tallow) that is made of fat (lipids) and the debris of dead fat-producing cells.
Sebum acts to protect and waterproof hair and skin, and keep them from becoming dry, brittle, and cracked.
www.babylon.com /definition/sebum/Other   (161 words)

  
 Sebum. DermNet NZ
The oil on the surface of skin is a complex mixture of sebum, lipids (from the surface skin cells), sweat and environmental material.
Females produce more sebum in the week before their menstrual period when progesterone levels are higher.
Sebum production declines with age, particularly after menopause in females
dermnetnz.org /acne/sebum.html   (633 words)

  
 Control the sebum (oil) of your skin.   (Site not responding. Last check: 2007-10-26)
In order to fight and control acne the amount and control of sebum (oil) on the skin must be taken into account, since it will impact on the progress or control of skin problems and acne.
These combined actions cause more oil (sebum) to be present - but an excess of sebum, combined with hyperkeratinization, can cause a blockage in the follicle.
So the reason is clear that excessive oil flow, and over-production of the sebaceous glands, has to be curtailed to some extent to prevent acne forming, yet this must be done in such a fashion so as not to cause a drying out effect - which could cause other skin problems.
www.dermaxime.co.za /sebum_control.htm   (457 words)

  
 Acne Research: Chapter 1: What Is Acne? | Diseases and Disorders Research Topic
However, when excess sebum is produced, it accumulates in the follicles rather than spilling out onto the surface of the skin.
Therefore, large volumes of sebum cannot pass through the follicles to the surface of the skin at the rate the sebum is produced.
Instead, sebum becomes trapped in the follicles, where it mixes with dead skin cells, forms sticky plugs that block the pores, and prevents sebum from reaching the surface of the skin.
www.bookrags.com /researchtopics/acne/02.html   (823 words)

  
 Get Rid of Pimples Naturally, Home Remedy for Acne   (Site not responding. Last check: 2007-10-26)
During puberty, the oil glands become overactive in response to hormonal changes, and during times of stress, the adrenal glands produce increased levels of hormones, causing enlargement of the oil glands.
The more sebum produced, the more likely it is that follicles will become blocked and acne will occur.
The more sebum, the more likely it is that acne will become troublesome.
www.acnesource.org /facts_what-causes-acne_oil.htm   (620 words)

  
 Dr. Koop - Acne information and animation
Sebum may collect excessively as a result of poor hygiene, genetic predisposition or accelerated glandular activity, especially during adolescence.
Overproduction of sebum is related to the disease called acne or commonly pimples.
During an acne breakout, the pore of the hair follicle is plugged by a mixture of sebum and cells that line the hair follicle.
www.drkoop.com /animation/43/44.html   (278 words)

  
 Acta Dermato-Venereologica | No. 2, March 2007: Study of Psychological Stress, Sebum Production and Acne Vulgaris in ...
Sebum production is thought to play a major role in acne vulgaris in adolescents.
The aims of this study were to determine: (i) if psychological stress in adole­scents is associated with increased sebum production; and (ii) if stress is associated with increased acne severity independent of, or in conjunction with, increased sebum production.
Sebum measurements did not differ significantly between the high stress and low stress conditions.
adv.medicaljournals.se /article/abstract/10.2340/00015555-0231   (749 words)

  
 DualTape Sebum Test Kit
The package includes a new handheld TapeAnalyzer providing a calibrated read-out in ten levels and offset calibration for improved accuracy, DualTape sebum collecting strips for 500 measurements, batteries and a convenient case.
applied to the skin “as is” providing a reading of the actual sebum level, but not the sebum excretion rate.
This method is ideal in “point of sales” applications as a quick and objective sebum level check.
www.cortex.dk /dualtape_sebum_test_kit.htm   (183 words)

  
 News - Hormone Replacement Therapy Reduces Enlargement Of Sebum Follicular Reservoir Openings
Casual sebum level and the sebum excretion rate on the forehead were measured using a Sebumeter.
Results showed that the individual values of sebum output at the skin surface were highly diverse in both groups of women.
A significant decline in sebum excretion rate and an increase in both the sebum replacement time and the mean pore size were observed in women not receiving HRT.
www.docguide.com /news/content.nsf/news/8525697700573E1885256B670066534F   (419 words)

  
 Acne Skin Care and Solutions
In certain situations, the glands excrete excess sebum and it cannot be cleared from the pores efficiently.
The excess sebum combines with the dead cells and forms a plug, or comedo (also called comedones), that blocks the pore, which is not usually seen.
Pimples are the result of infected flheads or whiteheads that rupture, releasing sebum, bacteria, dead skin, and white blood cells onto the surrounding tissues.
www.acne-care-solutions.com   (635 words)

  
 CuDerm | Sebutape - Sebum Production Testers
The sebum filled pores in the film are no longer capable of scattering light, so they appear transparent.
The size of the transparent area is a measure of the amount of sebum collected.
The "feedback" from the skin about the natural sebum output is not affected by sweating or global subjective impressions.
www.cuderm.com /products_sebutape_rd.php   (211 words)

  
 Oily Skin
Anyone struggling with greasy, shiny, oily skin might argue that the mere existence of sebum (the medical term for skin oils) is a curse.
Sebaceous glands produce sebum, a complex blend of varied lipids (an assortment of fats), and dead sebaceous gland cells, (the cells that manufacture the sebum).
Combined with sebum sequestering micro-particles, excessive oils are absorbed, yet the product is formulated in a base appropriate for the rosacea patient prone to skin sensitivity.
www.dermadoctor.com /pages/newsletter99.asp   (2552 words)

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