Cavernous portion can refer to:

(The preceding portion refers only to the halakha of Ashkenazi Jews Sephardic Jews do not mix fish with dairy)

The Piney River is a stream that drains a portion of Tennessee's Cumberland Plateau generally referred to in the area as Walden Ridge.

Petrous portion can refer to:

Finally, the portion of the LDS Endowment ceremony depicting the creation of the world refers repeatedly to "worlds heretofore created".

Preproenzyme refers to the pre- portion refers to a signal sequence (signal peptide) which directs the enzyme to a specific organelle or subcellular localization.

A portion of the report before us refers to clarifying and defining more precisely the types of material and services to which Article 296 really should not apply.

The concluding portion refers to the learning of art by pilgrims to Uversa (Stockhausen-Stiftung für Musik 2010, 47; Stockhausen 2010g, I):

A portion of the subtitle of the book refers to an earlier book by Krugman, Age of Diminished Expectations (1990).

A portion of the prayer refers to the biblical references: "For You, O Lord, have declared that a pledge is to be given and held inviolate in all things.