One verse

Srimad Bhagavatam 2.10.27

2.10.27

उत्सिसृक्षोर्धातुमलं निरभिद्यत वै गुदम् । तत: पायुस्ततो मित्र उत्सर्ग उभयाश्रय: ॥ २७ ॥

utsisrksor dhatu-malam nirabhidyata vai gudam tatah payus tato mitra utsarga ubhayasrayah

utsisrksoh
desiring to evacuate
dhatu-malam
refuse of eatables
nirabhidyata
became open
vai
certainly
gudam
the evacuating hole
tatah
thereafter
payuh
the evacuating sense organ
tatah
thereafter
mitrah
the controlling demigod
utsargah
the substance evacuated
ubhaya
both
asrayah
shelter.

Thereafter, when He desired to evacuate the refuse of eatables, the evacuating hole, anus, and the sensory organ thereof developed along with the controlling deity Mitra. The sensory organ and the evacuating substance are both under the shelter of the controlling deity.