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Topic: Lunula (anatomy)


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In the News (Sun 20 Dec 09)

  
  Lunula (anatomy) - Wikipedia, the free encyclopedia
The lunula is the crescent shaped whitish area of the nail bed of a fingernail or toenail.
The lunula has a primary structural role in defining the free edge of the distal nail plate.
Alterations in the morphologic features or color (or both) of the lunula can be an indication of either a cutaneous or a systemic disorder.
en.wikipedia.org /wiki/Lunula_(anatomy)   (142 words)

  
 AllRefer.com - nail, in anatomy (Anatomy And Physiology) - Encyclopedia
nail, in anatomy, the horny outgrowth shielding the tip of the finger and the toe in humans and most other primates.
The nail consists of dead cells pushed outward by dividing cells in the root, a fold of epidermis at the base of the nail (see skin).
The small-celled and relatively bloodless tissue near the base of the nail forms a white, crescent-shaped spot called the lunula, or moon.
reference.allrefer.com /encyclopedia/N/nail2.html   (298 words)

  
 info: ANATOMY   (Site not responding. Last check: 2007-11-04)
Anatomy (from the Greek anatome, from ana-temnein, to cut up), is the branch of biology that deals with the structure and organization of living things.
Animal anatomy may include the study of the structure of different animals, when it is called comparative anatomy or animal morphology, or it may be limited to one animal only, in which case it is spoken of as special anatomy.
From the morphological point of view, however, human anatomy is a scientific and fascinating study, having for its object the discovery of the causes which have brought about the existing structure of humans, and needing a knowledge of the allied sciences of embryology or developmental biology, phylogeny, and histology.
www.info-austria.org /Anatomy   (794 words)

  
 eMedicine - Hand, Finger Nail and Tip Injuries : Article by Bradon J Wilhelmi, MD   (Site not responding. Last check: 2007-11-04)
The lunula is the white semicircle at the base of the nail bed.
The proximal one third of the nailbed, from the nail fold to the edge of the lunula, is the germinal matrix.
The two thirds of the nailbed distal to the lunula is the sterile matrix or ventral nail.
www.emedicine.com /plastic/topic309.htm   (6392 words)

  
 eMedicine - Paronychia : Article Excerpt by: Steve Lee, MD   (Site not responding. Last check: 2007-11-04)
The anatomy of the nail complex is shown in Image 1.
The white crescent-shaped opacity at the proximal end of the nail is the lunula, which is the visible portion of the germinal matrix.
The whiteness of the lunula is due to the poor vascularity of the germinal matrix.
www.emedicine.com /derm/byname/paronychia.htm   (567 words)

  
 Gray, Henry. 1918. Anatomy of the Human Body. Page 1067
The superficial, horny part of the nail consists of a greatly thickened stratum lucidum, the stratum corneum forming merely the thin cuticular fold (eponychium) which overlaps the lunula; the deeper part consists of the stratum mucosum.
The cells in contact with the papillæ of the matrix are columnar in form and arranged perpendicularly to the surface; those which succeed them are of a rounded or polygonal form, the more superficial ones becoming broad, thin, and flattened, and so closely packed as to make the limits of the cells very indistinct.
The nails grow in length by the proliferation of the cells of the stratum mucosum at the root of the nail, and in thickness from that part of the stratum mucosum which underlies the lunula.
www.bartleby.com /107/pages/page1067.html   (570 words)

  
 NAIL MAINTENANCE TIPS
Above the proximal nail fold, the white half-moon at the base of the nail is the lunula.
The lunula is an extension of the matrix.
Because the nail plate is still hardening as it grows over the lunula, it is soft and easily damaged - It is important that during a nail service care is used while filing or drilling on the natural nail.
nailsbystacey.tripod.com /id6.html   (800 words)

  
 Nail (anatomy) - Wikipedia, the free encyclopedia
For other uses of the term, see nail.
In anatomy, a nail is a horn-like piece at the end of a human or animal finger or toe.
lunula which is the crescent shaped whitish area of the nail bed.
en.wikipedia.org /wiki/Nail_(anatomy)   (941 words)

  
 Ilisha lunula   (Site not responding. Last check: 2007-11-04)
Ilisha:...whiteheadi Seshagiri Rao, 1974; (synonym) Ilisha lunula Kailola, 1986 Ilisha macrogaster Bleeker, 1866 Ilisha megaloptera Whitehead, 1985...
Ilisha lunula, Kailola, 1986, Ilisha macrogaster, Bleeker, 1866, Kalimantan ilisha.
Ilisha lunula, Ilisha macrogaster, Kalimantan ilisha, 12.0 SL.
fish.mongabay.net /I/Ilisha_lunula.shtml   (182 words)

  
 Fingernail Injuries   (Site not responding. Last check: 2007-11-04)
The term perionychium describes the region on the dorsal aspect of the distal phalanx that includes the nail bed and surrounding soft tissues.
Extending distally beyond the eponychium is the lunula, the half-moon shaped white area at the base of the nail.
The entire germinal matrix from the lunula proximally must be removed along with the proximal nail fold.
www.ortho.hyperguides.com /tutorials/hand/fingernail/tutorial.asp   (1695 words)

  
 American Family Physician: Nails and nail disorders in children and adults - Cover Story
The nail plate distal to the lunula is usually pink, because of the vascularity of the skin beneath it.
The cuticle is an outgrowth of the proximal nail fold.
Curiously, nail growth is faster on the right hand, on the larger fingers, during daylight and in summer.[1] Minor nail trauma and nail biting may also enhance nail growth, while illness usually slows it down.
www.findarticles.com /p/articles/mi_m3225/is_n6_v55/ai_19464388   (1271 words)

  
 Re: Meaning of Fingernail Moons
The matrix is a highly specialized epithelial structure that manufactures the bulk of the nail plate.
The distal matrix (lunula) makes the bottom of the nail plate that is bonded to the nail bed, it is a lighter color as it mixes with the matrix cells.
http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=Pu bMed&lis t_uids=8647987&dopt=Abstract The lunula is the visible portion of the distal nail matrix that extends beyond the proximal nailfold.
www.madsci.org /posts/archives/2000-06/959991296.An.r.html   (304 words)

  
 Fingernail Anatomy   (Site not responding. Last check: 2007-11-04)
This is a good general article about fingernail anatomy with a cross-sectional picture...
A comprehensive awareness of fingernail anatomy, the dynamics of nail regeneration and...
sheet briefly outlines basic anatomy of the fingernail, the individual parts and...
www.nail-care.product-zone.info /articles/10/fingernail-anatomy.html   (871 words)

  
 Nail Anatomy   (Site not responding. Last check: 2007-11-04)
Grace Fields ===================================================== Hi Isaiah due to the specificity of your question i looked at an specialist and i quote: "The lunula.
The lunula is the visible portion of the distal nail matrix that extends beyond the proximal nailfold.
Alterations in the morphologic features or color (or both) of the lunula can be an indication of either a cutaneous or a systemic disorder." Thanks for asking Newton!
www.newton.dep.anl.gov /askasci/gen01/gen01775.htm   (266 words)

  
 RTE News:   (Site not responding. Last check: 2007-11-04)
The show also says that it put the question under scrutiny - "Where is the lunula located in the human body?" - to a consultant cardiologist, a professor of anatomy, a doctor in a department of anatomy and two eminent heart surgeons.
Mr O'Doherty said that the lunula was located in the heart.
Heart surgeon Maurice Nelligan told the programme this morning that the lunula was definitely a section of the heart.
www.rte.ie /news/2001/0621/print/millionaire.html   (199 words)

  
 Nail Bed Injury / Pathology - Wheeless' Textbook of Orthopaedics
Treatment of subungual hematomas with nail trephination: a prospective study.
Anatomy and physiology of the perionychium: a review of the literature and
Study of Nail Bed Injuries: cause, treatment, and prognosis.
www.wheelessonline.com /ortho/nail_bed_injury_pathology   (397 words)

  
 Why are the lunula of some peoples' nails bigger than other peoples'?   (Site not responding. Last check: 2007-11-04)
Why are the lunula of some peoples' nails bigger than other peoples'?
Subject: Why are the lunula of some peoples' nails bigger than other peoples'?
Re: Why are the lunula of some peoples' nails bigger than other peoples'?
www.madsci.org /posts/archives/1998-11/911008213.An.q.html   (60 words)

  
 Malling College - Holistic Massage, Beauty and Nutrition   (Site not responding. Last check: 2007-11-04)
Anatomy and Physiology - bones of the skull, muscles of the face and neck, cranial nerves, superficial arteries and veins, and the lymphatic and endocrine system
Composition and structure of the nail, including the matrix, nail wall, lunula, nail bed, nail plate and free edge
Study of all tools and materials used including selection, care, hygiene, use and correct handling.
www.mallingcollege.co.uk /beauty_specialist.htm   (116 words)

  
 integumentary system
Nails consist of highly keratinized, modified epidermal cells.
The nail arises from the nail bed, which is thickened to form a lunula (or little moon).
Cells forming the nail bed are linked together to form the nail.
www.emc.maricopa.edu /faculty/farabee/BIOBK/BioBookINTEGUSYS.html   (680 words)

  
 Lake Michigan College Human Anatomy 205 Cytology and Histology
Lake Michigan College Human Anatomy 205 Cytology and Histology
A loose connective tissue that binds skin to underlying muscles.
Play Anatomy Game on skin at Web Anatomy II Dynamic Human
www.lakemichigancollege.edu /dept/Arts-Sciences/bio/anat/skin.html   (107 words)

  
 Matching Exercise
Chapter 1: Introduction to Human Anatomy and Physiology
Chapter 6: Skin and the Integumentary System\Test Yourself
For further information about this site contact mhhe_webmaster@mcgraw-hill.com.
www.mhhe.com /biosci/ap/holeessentials/student/olc/matching0153.html   (102 words)

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