internal obturator muscle n.
A muscle with origin from the pelvic surface of the obturator membrane and the margin of the obturator foramen, with insertion into the medial surface of the greater trochanter, with nerve supply from the sacral plexus, and whose action rotates the thigh laterally.
- Internal occipital crest
internal occipital crest n. A ridge running from the internal occipital protuberance to the posterior margin of the great foramen, giving attachment to the falx cerebelli.
- Internal ophthalmopathy
internal ophthalmopathy n. A disease of the retina, lens, or other internal structure of the eye.
- Internal ophthalmoplegia
internal ophthalmoplegia n. Paralysis affecting only the ciliary muscle and the iris of the eye.
- Internal phase
internal phase n. The particles contained in a colloid solution.