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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.Although it is found more frequently in persons with several abnormal medical conditions, it is not predictive of any of these conditions since it is also found in persons with no abnormal medical conditions.
A single transverse palmar crease, one type of palmar crease. A palmar crease is a type of crease on the palm. A single transverse palmar crease also called simian crease is sometimes associated with Down syndrome. [1] Other types of creases include the Sydney crease and the Suwon, or double transverse palmar crease. [2]
Minor physical anomalies (MPAs) are relatively minor (typically painless and, in themselves, harmless) congenital physical abnormalities consisting of features such as low-set ears, single transverse palmar crease, telecanthus, micrognathism, macrocephaly, hypotonia and furrowed tongue.
Other differences include a single transverse palmar crease ("Simian line") (in 50% of patients), patterns in the hypothenar and interdigital areas, [11] and lower ridge counts along digital midlines, especially in little fingers, which corresponds to finger shortening in those with Down syndrome. [12]
A wide variety of abnormalities of the hands and feet, including the nails and the creases of the hand, have been described and differentiated. [4] Many of these abnormalities do not have an impact on function but may be useful in diagnosing genetic syndromes; for example, the single transverse palmar crease is commonly associated with Down ...
In beliefs like palmistry, these two lines are called the head line and the heart line. When these two lines meet to form a single line, it is called the single transverse palmar crease, formerly known as the "simian line" (a term which fell out of favor because of the pejorative connotation).
The thenar eminence is the mound formed at the base of the thumb on the palm of the hand by the intrinsic group of muscles of the thumb. [1] The skin overlying this region is the area stimulated when trying to elicit a palmomental reflex.
Single transverse palmar crease; T. Tenodesis grasp; Thenar eminence; Hand transplantation; U. Ulnar deviation This page was last edited on 17 August 2023, at 20:56 ...