| retro- | <prefix> Prefix, to words formed from L. Roots, denoting backward or behind. Origin: L. Back, backward (05 Mar 2000) |
|---|---|
| retro-ocular | <anatomy> Behind the pons. Origin: L. Bulbus = bulb (18 Nov 1997) |
| retroactive inhibition | The partial or complete obliteration of memory by a more recent event, particularly new learning. Compare: proactive inhibition. (05 Mar 2000) |
| retroadductor space | Potential space between the adductor pollicis and first dorsal interosseous muscles. (05 Mar 2000) |
| retroauricular | Behind the auricle. (05 Mar 2000) |
| retroauricular lymph nodes | Two or three nodes in the region of the mastoid process; they receive afferent lymphatic vessels from the scalp and auricle and send efferent vessels to the superior deep cervical nodes. Synonym: nodi lymphatici mastoidei, mastoid lymph nodes. (05 Mar 2000) |
| retrobuccal | Relating to the back part of, or behind, the cheek. (05 Mar 2000) |
| retrobulbar | <anatomy> Behind the pons. Origin: L. Bulbus = bulb (18 Nov 1997) |
| retrobulbar abscess | A circumscribed collection of pus within the orbit; frequently an extension of purulent infection of the paranasal sinuses, usually the ethmoids. Synonym: retrobulbar abscess. (05 Mar 2000) |
| retrobulbar anaesthesia | Injection of a local anaesthetic behind the eye to produce sensory denervation of the eye. (05 Mar 2000) |
| retrobulbar haemorrhage | Haemorrhage within the orbital cavity, posterior to the eyeball. (12 Dec 1998) |
| retrobulbar neuritis | Optic neuritis without swelling of the optic disk. (05 Mar 2000) |
| retrocaecal | Posterior to the caecum. (05 Mar 2000) |
| retrocaecal abscess | An abscess located posterior to the caecum, usually resulting from perforation of a retrocaecal appendix. (05 Mar 2000) |
| retrocaecal lymph nodes | Nodes located behind the caecum draining lymph into the ileocolic nodes. Synonym: nodi lymphatici retrocaecales. (05 Mar 2000) |