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The apex beat may also be displaced by other conditions: Pleural or pulmonary diseases; Deformities of the chest wall or the thoracic vertebrae; Sometimes, the apex beat may not be palpable, either due to a thick chest wall, or conditions where the stroke volume is reduced; such as during ventricular tachycardia or shock.
The apex beat is assessed for size, amplitude, location, impulse and duration. There are specific terms to describe the sensation such as tapping, heaving and thrusting. Often the apex beat is felt diffusely over a large area, in this case the most inferior and lateral position it can be felt in should be described as well as the location of ...
The active articulators are movable parts of the vocal apparatus that impede or direct the airstream, typically some part of the tongue or lips. [3]: 4 There are five major parts of the vocal tract that move: the lips, the flexible front of the tongue, the body of the tongue, the root of the tongue together with the epiglottis, and the glottis.
Spanish phoneticians normally describe the difference as apical (for the northern Iberian sound) vs. laminal (for the more common sound), but Ladefoged and Maddieson [4] claim that English /s/ can be pronounced apically, which is evidently not the same as the apical sibilant of Iberian Spanish and Basque.
Southern European Spanish (Andalusian Spanish, Murcian Spanish, etc.) and several lowland dialects in Latin America (such as those from the Caribbean, Panama, and the Atlantic coast of Colombia) exhibit more extreme forms of simplification of coda consonants: word-final dropping of /s/ (e.g. compás [komˈpa] 'musical beat' or 'compass')
The fricative component is apical. Contrasts with a laminal affricate with a dentalized fricative component. [5] Catalan [27] potser [puˈt̻͡s̺(ː)e] 'maybe' The fricative component is apical. Only restricted to morpheme boundaries, some linguistics do not consider it a phoneme (but a sequence of [t] + [s]).
Subapical retroflex plosive. A retroflex (/ ˈ r ɛ t r ə f l ɛ k s,-r oʊ-/ ⓘ), apico-domal, or cacuminal [citation needed] (/ k ə ˈ k j uː m ɪ n ə l / ⓘ) consonant is a coronal consonant where the tongue has a flat, concave, or even curled shape, and is articulated between the alveolar ridge and the hard palate.
The tongue body creates a velaric airstream by changing the pressure within the oral cavity: the tongue body changes the mouth subcavity. Click consonants use the velaric airstream mechanism. Pistons are controlled by various muscles. Valves regulate airflow between cavities. Airflow occurs when an air valve is open and there is a pressure ...