macula sacculi — macula sac·cu·li sak yə .lī n MACULA ACUSTICA (a) * * * [TA] macula of saccule: a thickening in the wall of the saccule where the epithelium contains vestibular hair cells that are stimulated by linear acceleration and deceleration and gravity.… … Medical dictionary
Macula (disambiguation) — Macula is a spot on the retina of the human eye, but the term may also refer to:* Macula (archaeology), a feature visible on an aerial photograph but with no identifiable function * Macula (planetary geology), a dark area on the surface of a… … Wikipedia
macula acustica — macula acu·sti·ca ə küs ti kə n, pl maculae acu·sti·cae ti .sē either of two small areas of sensory hair cells in the ear that are covered with gelatinous material on which are located crystals or concretions of calcium carbonate and that are… … Medical dictionary
Macula — A macula is a small spot. A macula on the skin is a small flat spot while the macula in the eye is a small spot where vision is keenest in the retina. The macula of the retina, the light sensitive layer of tissue at the back of the eye, is the… … Medical dictionary
Saccule — Infobox Anatomy Name = Saccule Latin = sacculus GraySubject = 232 GrayPage = 1052 Caption = illustration of otolith organs showing detail of utricle, ococonia, endolymph, cupula, macula, hair cell filaments, and saccular nerve Caption2 = MapPos … Wikipedia
macula cribrosa media — [TA] the perforated area on the vestibular wall through which branches of the vestibulocochlear nerve pass to the macula of the saccule … Medical dictionary
macula — n.; pl. maculae a small anatomical area that is distinguishable from the surrounding tissue. The macula lutea is the yellow spot on the retina at the back of the eye, which surrounds the greatest concentration of cones (see fovea). Maculae occur… … The new mediacal dictionary
saccule — 1. [TA] The smaller of the two membranous sacs in the vestibule of the labyrinth, lying in the spherical recess; it is connected with the cochlear duct by a very short tube, the ductus reuniens, and with the utriculus by the beginning of the… … Medical dictionary
saccule — sacculus; n. the smaller of the two membranous sacs within the vestibule of the ear: it forms part of the membranous labyrinth. It is filled with fluid (endolymph) and contains a macula. This responds to gravity and relays information to the… … The new mediacal dictionary
Inner ear — The cochlea and vestibule, viewed from above … Wikipedia
