Read online Nitzsch's Pterylography: Translated from the German (Classic Reprint) - Christian Ludwig Nitzsch file in ePub
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Nitzsch's Pterylography: Translated from the German (Classic Reprint)
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The remicle is very small and usually non- functional—interpreted by christian ludwig nitzsch as an aborted first primary.
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The feather-bearing skin of birds differs fundamentally from the fur-bearing skin of mammals. Especially within the feather tracts, it contains much structural fat tissue in the dermis and the subcutaneous fascia superficialis.
Extraordinarius an die pterylography, translated from the german by philip.
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In foreign languages and of such mass as to defy adequate translation nitzsch's (1840) system der pterylographie, but this is an including pterylography.
This paper is indeed little more than an english translation of one published by an excellent translation by mr dallas of nitzschs pterylography, and thereby,.
Dhouailly d, sengel p (1975) feather- and hair-forming properties of dermal cells of glabrous skin from bird and mammals.
Also, the outer limb of the femoral tract (to use nitzsch's terminology) nitzsch's pterylography, translated from the german.
Nitzsch was pterylography established as a branch of avian anatomy. Nitzsch made the fundamental descriptive studies in the field and gave it much of the terminology still used today. He described the pterylosis of many hundreds of species, and built a system of classification upon those studies.
From the german by christian ludwig nitzsch ( book ) 6 editions published.
To begin thinking about the evolutionary origin of feathers, it is useful to put them into a morphological context. This survey of the integumentary derivatives of modern birds may provide a little insight into the nature of the ancient reptilian skin that gave rise to feathers.
S8 fig: effects of in ovo inhibition of eda signalling on feather primordium stability and growth. 5 results in the absence of feather formation and almost bare skin, as defined by ctnnb1 and shh expression.
But for full also be directly translated into cortex renalis, and this term was separated varied in both strueture and pterylography (schüz, 1927; eiselen, 1939; a bristle and a contour contrast, nitzsch (1867), clench (1970),.
Nitzsch's pterylography, translated from the german, edited by pl sclater (ray society, robt.
Thanks to mr sclater, the ray society was induced to publish, in 1867, an excellent translation by mr dallas of nitzsch's pterylography, and thereby, however.
41 1867 nitzsch’s pterylography, translated from the german. [ed] o/p [on-line] 42 1868 a monograph on the structure and development of the shoulder-girdle and sternum in the vertebrata. [ o/p on-line] 43 1867 the miscellaneous botanical works of robert brown.
Some birds have a supply of powder down feathers which grow continuously, with small particles regularly breaking off from the ends of the barbules. These particles produce a powder that sifts through the feathers on the bird's body and acts as a waterproofing agent and a feather conditioner.
Pages where the terms historic (textbooks, papers, people, recommendations) appear on this site, and sections within pages where this disclaimer appears, indicate that the content and scientific understanding are specific to the time of publication.
Wikipedia's glossary of bird terms as translated by gramtrans la ĉi-suba teksto estas aŭtomata traduko de la artikolo glossary of bird terms article en la angla vikipedio farita per la sistemo gramtrans on 2017-08-28 16:48:52.
Com/ip/population-and-the-social-system-translated/428757022 com/ip/nitzsch-s-pterylography-tr-from-the-german/428876176 2017-11-07.
A scientific journal devoted primarily to the study of the australian avifauna.
The decades following 1840, and especially after 1867 when nitzsch's monograph was translated into english, other anatomists contributed pterylosis descriptions to the literature, most of them isolated studies of the general anatomy, including pterylosis, of new or difficult genera.
The translations of remiges from english to other languages presented in this pterylography: translated from the german.
Christian ludwig nitzsch (september 3, 1782 - august 16, 1837) was a german (september 3, 1782 - august 16, 1837) was a german.
The new location of syncitial barbules—in the feather rachidial cortex—had not been identified in 140+ years of study (nitzsch 1867; maderson 1972)—understandably because it is the only instance where they occur not as free cells but tightly bonded with the keratin matrix.
) with respect to the birds which annually undergo a double moult, there are, firstly, some kinds, for instance snipes, swallow-plovers (glareolae), and curlews, in which the two sexes resemble each other, and do not change colour at any season.
Text in greek and latin, four pages with latin translation in minute early script [ustc 198327] provenance: property.
Summer-plumage, which seems, when there is no change of colour, the most probable cause of a double moult.
Nitzsch was pterylography when nitzsch's monograph was translated into english, other anatomists contributed.
Christian ludwig nitzsch (3 september 1782 - 16 august 1837) was a german zoologist. He is best remembered for his approach to classifying birds on the basis of their feather tract distributions or pterylosis of their young.
Avian integument is thin, elastic, and loosely attached to the body, giving birds the freedom of movement needed for flight. Its epidermis is both keratinized and lipogenic, and the skin as a whole acts as a sebaceous secretory organ. The skin is covered by feathers over most of the body, but many birds show colored bare skin or integumentary outgrowths on the head and neck.
The ring's cranial margin is separated from the caudal edge of the drum by the lateral margin of the lateral lamella, and the ventral end is attached by connective tissue to the apex of the pessulus. The head of this ring projects rostrad over the caudolateral portion of the drum, producing a translation articulation.
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Christian ludwig nitzsch (3 september 1782 – 16 august 1837) was a german zoologist. (halle) 1833 — traduit en anglais sous le titre de nitzsch's pterylography à la ray society pterylography (translated from german by pl scla.
Engraved: the ray society this volume is issued to the subscribers for 1866.
This is as much as these young specimens show of the pterylosis of opisthocomus cristatus; but it foreshadows what we may reasonably expect to find in the adult bird, which appears, in the main, to have been more or less correctly described by nitzsch in his great classic on pterylography.
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