Tunica (Noun)
Meaning
An enveloping or covering membrane or layer of body tissue.
Classification
Nouns denoting body parts.
Examples
- The outer layer of the iris is a transparent tunica that protects the inner structures.
- The tunica albuginea, a tough fibrous layer, surrounds and supports the testicle.
- The eye is protected by three tunica layers: the sclera, cornea, and retina.
- In anatomy, the tunica vaginalis is a fibrous covering of the testis and spermatic cord.
- A thin tunica surrounds the spinal cord and protects the delicate nerve fibers.