Communication is a main key to survival. Many animals use sound to exchange information, which is important in species recognition, sexual selection and consequently in speciation. The animals best known for their vocal virtuosity are birds, which use acoustic signals extensively to communicate. Bird song supplies an important model in the study of learned vocal communication including human sp...

The basic thesis of this paper is that 'pause' represents the ontological center Claude Debussy?s (1862-1918) Syrinx for solo flute (1913). phenomenon musical work interpreted through an perspective, following Roman Ingarden?s reflections presented in his Ontology Work Art, having also mind different modes which music can exist, be read from Ferruccio Busoni?s Sketch a New Esthetic Music. Since...

Butterfly vertebra is a rare birth defect of the spine which generally asymptomatic. Fewer cases this are reported till now. Here we have case 2 year old female baby, who presented with bilateral lower limb weakness and an involuntary passage stools urine since birth. Magnetic Resonance Imaging (MRI) confirmed cause, showed presence syrinx in spinal cord extending from vertebral level T9-T11, b...

syringobulbiais very rare condition defined as slit-like fluid cavity in the brain stem. several conditions have been reported to be associated with syringobulbia including neoplasms, spinal cord traumas or lesions such as tethered cord, hind-brain herniation, infections such as meningitis and in isolation.although post-traumatic syringomyelia has been wieldy described previously, traumatic bra...