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Sunday, July 26, 2020 | History

3 edition of On the structure and formation of the nails of the fingers and toes found in the catalog.

On the structure and formation of the nails of the fingers and toes

On the structure and formation of the nails of the fingers and toes

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  • 37 Currently reading

Published by John Van Voorst in London .
Written in English

    Subjects:
  • Nails (Anatomy)

  • Edition Notes

    Statementby G. Rainey ; communicated by John Quekett ; read April 21, 1847.
    SeriesLandmarks of science II
    ContributionsQuekett, John, 1815-1861.
    Classifications
    LC ClassificationsQ111 .H35, QL942 .H35
    The Physical Object
    FormatMicroform
    Paginationp. 105-109
    Number of Pages109
    ID Numbers
    Open LibraryOL19448969M

    1 NAIL STRUCTURE GROWTH Diseases Disorders 9 10 THE NAIL = Onyx • An appendage of the skin, this horny, translucent plate protects the tips of fingers and toes. • The nail is composed mainly of keratin. • A healthy nail should be whitish and translucent in appearance, with the pinkish color of the nail. Denailing is the extraction of the nails from the fingers and/or toes, either as a medical procedure to treat severe nail infections, or as a method of United Nations Istanbul Protocol describes nail removal and the insertion of objects such as wire under the nail as forms of torture. Removed nails are capable of growing back normally over several months if the nail matrix is left.

      Your nails can say a lot about your health: Discoloration, brittleness, and breakage are annoying to deal with on your fingers, but they’re also signs you should watch out for on your toes.   That structure maintained the wide shape of the digits and increased the surface area of the pad: When pressed down, the flesh of fingers and toes would have been flattened against the nail.

    Polydactyly or polydactylism (from Greek πολύς (polys), meaning 'many', and δάκτυλος (daktylos), meaning 'finger'), also known as hyperdactyly, is an anomaly in humans and animals resulting in supernumerary fingers and/or toes. Polydactyly is the opposite of oligodactyly (fewer fingers or toes).   Onychia is an inflammation of the matrix (surrounding tissue) of the nail with formation of pus and shedding of the nail. Onychocryptosis, commonly known as "ingrown nails" can affect either the fingers or the toes. In this condition, the nail cuts into one or both sides of the nail bed, resulting in inflammation and possibly infection.


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On the structure and formation of the nails of the fingers and toes Download PDF EPUB FB2

Nails function as an aid to grasping, as a tool for manipulating small objects, and as protection against trauma to the ends of fingers and toes. About the Book Author Erin Odya teaches Anatomy & Physiology at Carmel High School in Carmel, Indiana, one of Indiana's top schools.

Get this from a library. On the structure and formation of the nails of the fingers and toes. [G Rainey; John Quekett]. Nail, in the anatomy of humans and other primates, horny plate that grows on the back of each finger and toe at its outer end. It corresponds to the claw, hoof, or talon of other nail is a platelike, keratinous, translucent structure that consists of highly specialized epithelial cells.

The nail grows from a deep groove in the dermis of the skin. The pink color of the nail plate derives from the blood vessels that passes beneath it. The main function of the nail plate is to protect the living nail bed of the fingers and toes.

The Free Edge: The nail plate leaves the end of the finger and forms a projection that is called the free edge. This is attached to the nail bed and appears as white.

Explore the structure of the nail, including the nail bed, cuticle and lunula Recognize how nails protect our fingers and toes Review how changes in nail appearance may indicate other health. The human nail is a plate of keratin that lies on the tips of the fingers and toes.

The main purpose of the nails are to protect the fingers and toes, however, the fingernail also assists with certain physical activities in daily life. The human nail is constantly growing and being removed by clipping or biting. The nails are intended to provide protection to fingers as well as aid in opening, scratching, and tearing.

Just like other body areas, they’re subject to injury and disease. Wide-set Toes. The traveller's foot—this foot has toes which either have a lot of gap between all the toes, or the toes can be stretched quite far apart.

Typically associated with a traveller consumed by wanderlust, this foot depicts a person whose mind craves new and exciting adventures, and is happiest when on the go. Stretched Toes. Chapter 8- Nail Structure & Growth. STUDY.

Flashcards. Learn. Write. Spell. Test. PLAY. Match. Gravity. Created by. saraht Terms in this set (25) The hard protective plate found at the ends of fingers & toes are: Natural nails.

The area under a healthy nail plate should appear: Pinkish. A main protein that is found in natural nails is. Occurs much more commonly on fingers than toes, usually the thumb and index finger, usually as a solitary lesion.

Can involve multiple fingers in immunocompromised patients. Refer urgently to secondary care where SCC is suspected. Treat with CO 2 laser ablation, Mohs' surgery or amputation of the digit if necessary. Start studying Nail Structure and Growth.

Learn vocabulary, terms, and more with flashcards, games, and other study tools. The technical term for nail of the fingers or toes. Sidewalls. Disease, injury, or infection can affect the formation of the nails.

If the matrix remains in good condition, a normal nail. The brain continues to form. The lungs begin to form. Fingers and toes begin to form, and arms and legs have grown longer.

Feet and hands can be distinguished and now have fingers and toes (digits), which may still be webbed. The shell-shaped parts of the baby's ears are forming, and the baby's eyes are visible. The upper lip and nose have formed.

A nail is a hard part of the body at the tip of the fingers and toes, of which most people have ten. Toenails and fingernails are similar, except that toenails grow four times more slowly. Only certain mammals have nails: mostly, they are found in are made of the same kind of material as the claws of other hair, nails never stop growing.

A nail is a horn-like keratinous plate at the tip of the fingers and toes in most correspond to claws found in other animals. Fingernails and toenails are made of a tough protective protein called alpha-keratin which is found in the hooves, hair, claws and horns of vertebrates. Nails are made up of protein which your body produces called keratin.

The structure of a nail is the same in finger and toes. Nail Structure. Free Edge. The free edge of a nail describes the part of the nail that extends past the finger or toe. The free edge of a nail is the part of the nail that is trimmed and shaped.

Eponychium. The nail acts as a counterforce to the fingertip providing even more sensory input when an object is touched. Nail Structure. The structure we know of as the nail is divided into six specific parts: the root, nail bed, nail plate, eponychium (cuticle), perionychium, and hyponychium. Root The root of the fingernail is also known as the germinal.

Toe movement is generally flexion and extension via muscular tendons that attach to the toes on the anterior and superior surfaces of the phalanx bones.: With the exception of the hallux, toe movement is generally governed by action of the flexor digitorum brevis and extensor digitorum brevis muscles.

These attach to the sides of the bones: –75 making it impossible to move individual. Antioxidant vitamins A & E help to promote healthy nails while pro-vitamin B5 protects the structure of the natural nail. Cures all "5 FINGERS" at the same time in "10 SECONDS" curing time.

Energy efficient, high quality LED. Safe & easy to use. Automatic sensor. Hosseini-Tabatabaei, in Encyclopedia of Toxicology (Third Edition), Nail Abnormalities Associated with Cosmetics. The nail plate, the dead part of the nail unit, is the main part of the nail exposed to ch has shown that procedures such as acrylic painting, application of preformed plastic tips and artificial nails, metal nail sculptures, filing, and polishing, can.

The phalanges—the toe bones—of the foot have bases relatively large compared with the corresponding bones in the hand, while the shafts are much thinner.

The middle and outer phalanges in the foot are short in comparison with those of the fingers. The phalanges of the big toe Read More; structure and function of nail.

It can include tapping the toes, swinging the feet with one crossed over the other, or drumming the fingers on the table.

In a larger context, tapping is a form of energy displacement where the body shows its desire to burn off what it has in excess as it deals with a .This causes pus formation and shedding of nails. Onychocryptosis. Onychocryptosis is one of the common nail disease that causes ingrown nails.

It is also known as unguis incarnatus. This is a very painful condition as the nail tends to cut in the nail bed. Ingrown nails can occur in fingers as well as toes.Finger nail, Nail plate of finger, Nails of fingers, Finger nails, Set of nails of fingers, fingernail, fingernails, FINGERNAIL, Fingernail, Nail of finger, Structure of nail of finger (body structure), Structure of nail of finger, Nail of finger, NOS, Finger Nail, Fingernails, Nail, Finger: Italian: Unghie delle dita delle mani: Norwegian.