limen

(lī'mən)
n., pl., li·mens, or lim·i·na (lĭm'ə-nə).
The threshold of a physiological or psychological response.

[Latin līmen, threshold.]

liminal lim'i·nal (lĭm'ə-nəl) adj.

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(lī'mən)
n., pl. li·mens or lim·i·na (lĭm'ə-nə).

1. The threshold of a physiological or psychological response.
2. The external opening of a canal; an entrance.

lim'i·nal (lĭm'ə-nəl) adj.

Pl. limina [L.] a threshold or boundary.

• insula l., l. insulae — the point at which the cortex of the insula is continuous with the cortex of the frontal lobe.
• l. pharyngoesophagaeum — a mucosal ridge where the pharynx becomes the esophagus.

See words rhyming with "liminal."