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'Šefčáková A, 1983: Dermatoglyphs on the Medial and Proximal Phalanges [Czechoslovakian sample]. Anthropologie (Brno) 21, 2: 123-134'. |
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| Abstract | | The terminal phalanges of the fingers and the palms have become traditional subjects of dermatoglyphical studies. Most studies, however, very rarely deal with the middle and proximal phalanges, in spite of the fact, that they form the connecting link between terminal phalanges and palms. We can say that they form a less conspicuous but integrating element of the chiridium of the hand. The paper of Marie Ploetz-Radmann from 1937 is regarded as a classical work dealing with this problem; she arranged the ridge patterns on the two proximal finger phalanges and worked out the general statistics of the frequency of the ridge patterns on the individual fingers. She paid attention also to the direction of the ridges, as well as to the ulnar-radial problem. The fact that we still know very litle about the rules of the course of papillary ridges on the medial and proximal phalanges (the problem in the Czechoslovak population has not been studied at all) gave the basic impetus for writing this paper.
The material has been obtained from 200 probants (100 females and 100 males) through Mohr's method, with the help of argentorate powder and has been evaluated through the simplified method of Marie Ploetz-Radmann.
The statistical processing of the results enabled us to study the eventual rules in the occurrence and frequency of patterns and their direction on the II., III., IV., V. fingers (the 1st finger showed little variability of patterns, and it seemed more purposeful to omit it).
Within the framework of the following four themes, i.e.:
1. Distribution of the type of patterns on the individual fingers.
2. Individual frequency of formation.
3. Individual frequency of the ridge directions and
4. Frequency and combinations of the ridge directions we found out certain facts, which in further research when looking for broader connections, might contribute to the clarification of the importance of the above-mentioned patterns for genetics, forensic anthropology and embryology.
| | | | Keywords | | Dermatoglyphics - Medial and proximal phalanges - Czechoslovakia | | |
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