macula /mac·u·la/ (mak´u-lah) pl. ma´culae [L.]
1. a stain, spot, or thickening; in anatomy, an area distinguishable by color or otherwise from its surroundings. Often used alone to refer to the macula retinae.
2. m. lutea.
3. macule.
4. a corneal scar, appreciated as a gray spot.mac´ularmac´ulate
acoustic maculae maculae acusticae.
ma´culae acus´ticae the macula sacculi and macula utriculi considered together.
macula adhe´rens desmosome.
ma´culae atro´phicae white scarlike patches formed on the skin by atrophy.
ma´culae ceru´leae faint grayish blue spots sometimes found peripheral to the axilla or groin in pediculosis.
cerebral macula tache cérébrale.
ma´culae cribro´sae three perforated areas (inferior, medial, and superior) on the vestibular wall through which branches of the vestibulocochlear nerve pass to the saccule, utricle, and semicircular canals.
macula den´sa a zone of heavily nucleated cells in the distal renal tubule.
macula fla´va laryn´gis a yellow nodule at one end of a vocal cord.
macula lu´tea , macula lu´tea re´tinae, macula re´tinae an irregular yellowish depression on the retina, lateral to and slightly below the optic disk.
macula sac´culi a thickening on the wall of the saccule where the epithelium contains hair cells that are stimulated by linear acceleration and deceleration and by gravity. 
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macula utri´culi a thickening in the wall of the utricle where the epithelium contains hair cells that are stimulated by linear acceleration and deceleration and by gravity.
| acoustic maculae pl.n. The macula sacculi and macula utriculi. |
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