noun, plural splenii
[splee-nee-nee-ahy] /ˈspli ni niˌaɪ/ (Show IPA). Anatomy.
a broad muscle on each side of the back of the neck and the upper part of the thoracic region, the action of which draws the head backward and assists in turning it to one side.
noun (pl) -nii (-nɪˌaɪ)
(anatomy) either of two flat muscles situated at the back of the neck that rotate, flex, and extend the head and neck
- Splenius muscle of head
splenius muscle of head sple·ni·us muscle of head (splē’nē-əs) n. A muscle with origin from the nuchal ligament of the last four cervical vertebrae and from the supraspinous ligament of the first and second thoracic vertebrae, with insertion into the mastoid process, with nerve supply from the dorsal branches of the second to the sixth […]
- Splenius muscle of neck
splenius muscle of neck n. A muscle with origin from the supraspinous ligament and the spinous processes of the third to fifth thoracic vertebrae, with insertion into the first and second cervical vertebrae, with nerve supply from the dorsal branches of the fourth to the eighth cervical nerves, and whose action rotates and extends the […]
1. a combining form representing spleen, in compound words: splenomegaly. spleno- or splen- pref. Spleen: splenomegaly.
splenocele sple·no·cele (splē’nə-sēl’) n. A splenic hernia.