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Fusion of the two palmar creases
- In humans, a single transverse palmar crease is a single crease that extends across the palm of the hand, formed by the fusion of the two palmar creases.
en.wikipedia.org/wiki/Single_transverse_palmar_crease
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In humans, a single transverse palmar crease is a single crease that extends across the palm of the hand, formed by the fusion of the two palmar creases.
HAND LINES INDEX: INTRO: The nature of the 3 primary palmar lines. • EMBRYOLOGY: Palmar crease morphogenesis! • PRIMATOLOGY: Palmar creases in primates? • EVOLUTION: Palmar crease devolopment in time! • SCIENCE: Early classifications of major hand lines. • PALMISTRY: An overview of the other hand lines. • ABERRANT TRANSVERSE CREASES - a family tree
Dec 1, 1970 · The genesis of the single upper palmar crease or of a transitional upper palmar crease pattern is not neces- sarily explained on the basis of a decreased sloping alignment of the third, fourth, and fifth metacarpal-phalangeal joints, as is evi- dent in Fig. 8.
- Gregory A. Popich, David W. Smith
- 1970
Their approach was to classify the palmar creases into three main categories: 1 - single radial base crease (SRBC), 2 - double radial base crease (DRBC), 3 - triple radial base crease (TRBC). The authors also introduced the term 'radial base point'.
There are typically two creases in the palm, but in some people, only one crease is present. A single palmar crease occurs in about 1 out of 30 people, but is also frequently associated with other conditions such as Down syndrome, Aarskog syndrome or fetal alcohol syndrome.
The use of the notorious simian line ('single palmar crease') as a diagnostic marker requires a proper understanding of the underlying concept + the major hand lines. This article describes the concept of the simian line + how to recognize- and discriminate it's related manifestions.
May 21, 2024 · Single transverse palmar crease refers to a single crease across the palm of the hand. In most individuals, there are two slightly offset creases across the palm. Sometimes referred to as simian crease, now more commonly called single transverse palmar crease, or STPC.
