शब्दाची व्युत्पत्ती PTERYLA
From New Latin, from Greek pteron feather + hulē wood, forest.
«PTERYLA» संबंधित इंग्रजी पुस्तके
खालील ग्रंथसूची निवडीमध्ये
pteryla चा वापर शोधा. इंग्रजी साहित्यामध्ये वापराचा संदर्भ देण्यासाठी
pteryla शी संबंधित पुस्तके आणि त्याचे थोडक्यात उतारे.
The main dorsal tract is the spinal pteryla. Its salient anatomical features have
already been outlined briefly in the first chapter (p. 36) (Figs 20 and 21). For the
understanding of the experimental results on the early differentiation of the dorsal
...
2
An Analysis of En1-mediated Fate Decisions in Palmoplantar ...
spinal pteryla scapular pteryla I I femoral pteryla wing pteryla pectoral pteryla
ventral pteryla Fig. 1 .4 The skin fields of the chick. (A) Schematic of the
macropattern of chick skin (Mayerson and Fallon, 1985; Dhouailly etal., 2004).
Pteryla are ...
3
Ornithology in Laboratory and Field
The same condition would superficially appear to be true of all flying birds, such
as the Common Pigeon and House Sparrow, but close inspection reveals that
their contour feathers arise from tracts or pterylae (singular pteryla) on the skin
and ...
Olin Sewall Pettingill, Jr., 1985
4
Epigenetic Principles of Evolution
mesoderm and instructing the dermomyotome to form the progenitors of the
spinal pteryla (consecutive rows of feather buds) (Fliniaux et al., 2004). The
instructive role of the neural tube in feather development is also shown in
experiments, ...
CIBA Foundation Symposium. _ _O.. (D 0 5 AM .... ...3.:3-_.,;=5-2 9 93,0“ : _
500503 000 00° 00° -U)—-I 1—- |—- —| 4—'.* FIG. 7. The spinal pteryla of a 12-
day chick embryo. The initial feathers are drawn in solid black. Note that there are
two ...
CIBA Foundation Symposium, 2009
6
Avian Anatomy Integument
Pteryla coronalis Coronal tract. Pteryla occipitalis Occipital tract. Pteryla
auricularis Auricular tract. Pteryla postauricularis Postauricular tract. Pteryla
temporalis Temporal tract. Pteryla lorata Loral tract. Pteryla supcrcilii Tract of
supercilium ...
Alfred Martin Lucas, Peter Rich Stettenheim, 1972
At the age of 4 days the nestlings' plumage had developed as follows: pteryla
capitalis, very short dark gray pins beginning to emerge; pteryla spinalis, short
gray pins emerging; pteryla ventralis, short yellow pins flanked by gray anteriorly;
...
8
Functional Anatomy of the Integument and Subcutaneous ...
... of beard: Pt.aur Pteryla auricularis: Pt.axi Pteryla axillaris: Pt.ced Pteryla
cervicalis dorsalis: Pt.cev Pteryla cervicalis ventralis: Pt.dor Pteryla dorsalis: Pt.
gul Pteryla gularis: Pt.isc Pteryla interscapularis: Pt.occ Pteryla occipitalis: Pt.oph
Pteryla ...
Kumudini Nishantha De Silva, 1995
Here, the cut was made close to the edge of the pteryla where there may have
been insufficient space for feather development. The temporal development of
the spinal pteryla in culture and in vivo The results of the preceding experiment ...
10
Chapters on the Natural History of the United States
Robert Wilson Shufeldt. We have, then, the following leather tracts to study and
compare in birds with the view of assisting us in our classification of this group of
vertebrates, viz.: 1. The spinal tract (Pteryla spinalis). 2. The humeral tract (Pteryla
...
Robert Wilson Shufeldt, 1900
