- outer spiral sulcus
- s. spiralis externus.
Medical dictionary. 2011.
outer spiral sulcus
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Sulcus — From the Latin for a groove, furrow, or trench. In medicine, there are many sulci (plural of sulcus) as, for example, the superior pulmonary sulcus. * * * 1. [TA] One of the grooves or furrows on the surface of the brain, bounding the several… … Medical dictionary
sulcus spiralis externus — [TA] external spiral sulcus: a concavity within the cochlear duct immediately above the basilar crest. Called also outer spiral s … Medical dictionary
Outer ear — External and middle ear, opened from the front. Right side. The auricula. Lateral surface … Wikipedia
ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like … Universalium
surface — The outer part of any solid. SYN: face (2) [TA], facies (2) [TA]. [F. fr. L. superficius, see superficial] acromial articular s. of clavicle SYN: acromial facet of clavicle. anterior s. [TA] the s. of a … Medical dictionary
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
Artery — A vessel that carries blood that is high in oxygen content away from the heart to the farthest reaches of the body. Since blood in arteries is usually full of oxygen, the hemoglobin in the red blood cells is oxygenated. The resultant form of… … Medical dictionary
groove — A narrow, elongate depression or furrow on any surface. SEE ALSO: sulcus. alveolobuccal g. the upper and lower half of the buccal vestibule on each side. SYN: alveolobuccal sulcus, gingivobuccal g., gingivobuccal sulcus. alveololabial g. 1. the… … Medical dictionary
Vein — A blood vessel that carries blood low in oxygen content from the body back to the heart. The deoxygenated form of hemoglobin (deoxyhemoglobin) in venous blood makes it appear dark. Veins are part of the afferent wing of the circulatory system… … Medical dictionary
Cochlea — Cross section of the cochlea … Wikipedia
