| PACS | patient care and services; picture archiving and communication system |
|---|---|
| PAD | pain and distress; patient surface axis depth; percutaneous abscess drainage; percutaneous automated... |
| PERRLA | pupils equal, round, and reactive to light and accommodation |
| PMA | index of prevalence and severity of gingivitis, where P = papillary gingiva, M = marginal gingiva, a... |
| P&R | pelvic and rectal [examination]; pulse and respiration |
| extraocular muscles | The voluntary muscles which control eye movement (27 Sep 1997) |
|---|---|
| extrinsic muscles | Muscles arising outside of, but which act upon, the structure under consideration. For example, the muscles operating the hand but having fleshy bellies located in the forearm. (05 Mar 2000) |
| facial muscles | Muscles of facial expression or mimetic muscles that include the numerous muscles supplied by the facial nerve that are attached to and move the skin of the face. (12 Dec 1998) |
| fascial sheaths of extraocular muscles | Muscular fascia; the part of the orbital fascia that envelops the extraocular muscles; it is thin posteriorly but becomes thicker where it is continuous with the bulbar sheath; the fascial sheaths of the four rectus muscles are connected by an intermuscular membrane. Synonym: fascia muscularis musculorum bulbi, fascia of extraocular muscles, muscular fascia of extraocular muscle. (05 Mar 2000) |
| fascia of extraocular muscles | Muscular fascia; the part of the orbital fascia that envelops the extraocular muscles; it is thin posteriorly but becomes thicker where it is continuous with the bulbar sheath; the fascial sheaths of the four rectus muscles are connected by an intermuscular membrane. Synonym: fascia muscularis musculorum bulbi, fascia of extraocular muscles, muscular fascia of extraocular muscle. (05 Mar 2000) |
| laryngeal muscles | The intrinsic muscles of the larynx are the aryepiglottic(us), arytenoid(eus), cricoarytenoid(eus), cricothyroid(eus), thyroarytenoid(eus), thyroepiglottic(us) and vocal(is). (12 Dec 1998) |
| lateral lumbar intertransversarii muscles | Origin, transverse processes of lumbar vertebrae; insertion, next superior transverse process; action, abducts lumbar vertebrae; nerve supply, ventral branches of lumbar nerves. Synonym: musculi intertransversarii laterales lumborum, lateral lumbar intertransverse muscles. (05 Mar 2000) |
| lateral lumbar intertransverse muscles | Origin, transverse processes of lumbar vertebrae; insertion, next superior transverse process; action, abducts lumbar vertebrae; nerve supply, ventral branches of lumbar nerves. Synonym: musculi intertransversarii laterales lumborum, lateral lumbar intertransverse muscles. (05 Mar 2000) |
| lateral part of posterior cervical intertransversarii muscles | lateral part of posterior cervical intertransversarii muscles |
| levatores costarum muscles | musculus levator costae, elevator muscle of rib, musculi levatores costarum |
| long levatores costarum muscles | Insertion, the second rib below their origin; action, raise ribs; nerve supply, intercostal. Synonym: musculi levatores costarum longi. (05 Mar 2000) |
| lumbar interspinales muscles | Origin, superior margin of lumbar spinous process; insertion, inferior margin of next superior spinous process; action, extends lumbar vertebrae; nerve supply, dorsal primary rami of lumbar spinal nerves. Synonym: musculus interspinalis lumborum, lumbar interspinal muscle. (05 Mar 2000) |
| lumbar rotator muscles | The rotator muscles of the lumbar vertebrae. Synonym: musculi rotatores lumborum, lumbar rotator muscles. (05 Mar 2000) |
| bursa of extensor carpi radialis brevis muscle | <anatomy> The bursa between the tendon of the extensor carpi radialis brevis and the base of the third metacarpal. Synonym: bursa musculi extensoris carpi radialis brevis. (05 Mar 2000) |
| paradoxical extensor reflex | <clinical sign> Extension of the great toe and abduction of the other toes instead of the normal flexion reflex to plantar stimulation, considered indicative of pyramidal tract involvement ("positive" Babinski). Synonym: Babinski reflex, Babinski's phenomenon, great-toe reflex, paradoxical extensor reflex, toe phenomenon. (05 Mar 2000) |