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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.
The extra digit is most common on the ulnar (little finger) side of the hand, less common on the radial side, and very rarely within the middle three digits. These are respectively known as postaxial (little finger), preaxial (thumb), and central (ring, middle, index fingers) polydactyly.
A fortune-teller conducting a palm reading, with lines and mounts marked out on the person's left palm Gold stamped front cover of The Psychonomy of the Hand. Palmistry is the pseudoscientific practice of fortune-telling through the study of the palm. [1]
Supernumerary musculature – presence of extra muscles such as additional heads of the biceps brachii, or coracobrachialis muscle variants [7] Supernumerary nipples – an additional nipple [1] Supernumerary phantom limbs – where the brain acts as though a limb were there, but it is not; Syndactyly – webbing between the fingers or toes [4]
First heart sound: caused by atrioventricular valves - Bicuspid/Mitral (B) and Tricuspid (T). Second heart sound caused by semilunar valves -- Aortic (A) and Pulmonary/Pulmonic (P). Knowledge of the surface anatomy of the thorax (chest) is particularly important because it is one of the areas most frequently subjected to physical examination ...
Vertical lines: Midline, lateral sternal line, parasternal line and midclavicular line. Horizontal lines: Level of the sternal angle, and zipho-sternal line. Anatomical "lines", or "reference lines," are theoretical lines drawn through anatomical structures and are used to describe anatomical location.
Heart sounds are the noises generated by the beating heart and the resultant flow of blood through it. Specifically, the sounds reflect the turbulence created when the heart valves snap shut. In cardiac auscultation , an examiner may use a stethoscope to listen for these unique and distinct sounds that provide important auditory data regarding ...
Beau's lines are horizontal, going across the nailline, and should not be confused with vertical ridges going from the bottom of the nail out to the fingertip. These vertical lines are usually a natural consequence of aging and are harmless. [3] [4] Beau's lines should also be distinguished from Muehrcke's lines of the