| psoriasis spondylitica | Psoriasis associated with an ankylosing spondylitis. (05 Mar 2000) |
|---|---|
| psoriasis universalis | A generalised psoriasis. (05 Mar 2000) |
| pustular psoriasis | An extensive exacerbation of psoriasis, with pustule formation in the normal and psoriatic skin, fever, and granulocytosis; sometimes precipitated by oral steroids. Synonym: generalised pustular psoriasis of Zambusch. A local pustular eruption of the palms and soles, occurring most commonly in a patient with psoriasis; difficult to distinguish from acrodermatitis continua. (05 Mar 2000) |
| palpebral part of orbicularis oculi muscle | palpebral part of orbicularis oculi muscle |
| marginal part of orbicularis oris muscle | <anatomy> The part of the orbicularis oris muscle located in the margin of the lips, i.e., the red area. Synonym: pars marginalis musculi orbicularis oris. (05 Mar 2000) |
| pars labialis musculi orbicularis oris | <anatomy> The major part of the orbicularis oris muscle within the body of the lips. Synonym: pars labialis musculi orbicularis oris. (05 Mar 2000) |
| pars lacrimalis musculi orbicularis oculi | <anatomy> See: orbicularis oculi muscle. Synonym: pars lacrimalis musculi orbicularis oculi, Duverney's muscle, Horner's muscle, musculus tensor tarsi. (05 Mar 2000) |
| pars marginalis musculi orbicularis oris | <anatomy> The part of the orbicularis oris muscle located in the margin of the lips, i.e., the red area. Synonym: pars marginalis musculi orbicularis oris. (05 Mar 2000) |
| pars orbitalis musculi orbicularis oculi | pars orbitalis musculi orbicularis oculi |
| pars palpebralis musculi orbicularis oculi | pars palpebralis musculi orbicularis oculi |
| visual orbicularis reflex | Contraction of the orbicularis oculi muscle caused by a sudden visual stimulus. See: wink reflex. (05 Mar 2000) |
| musculus orbicularis | <anatomy> A sphincter-like sheet of muscle that encircles an orifice such as the mouth or the palpebral fissures. Synonym: musculus orbicularis, orbicular muscle, orbicularis. (05 Mar 2000) |
| musculus orbicularis oculi | <anatomy> Consists of three portions: orbital part, or external portion, which arises from frontal process of maxilla and nasal process of frontal bone, encircles aperture of orbit, and is inserted near origin; palpebral part, or internal portion, which arises from medial palpebral ligament, passes through each eyelid, and is inserted into lateral palpebral raphe; lacrimal part (tensor tarsi muscle, Duverney's or Horner's muscle) arises from posterior lacrimal crest and passes across lacrimal sac to join palpebral portion; action, closes eye, wrinkles forehead vertically; nerve supply, facial. Synonym: musculus orbicularis oculi, musculus orbicularis palpebrarum, orbicular muscle of eye, sphincter oculi. (05 Mar 2000) |
| musculus orbicularis oris | <anatomy, muscle> Origin, by nasolabial band from septum of the nose, by superior incisive bundle from incisor fossa of maxilla, by inferior incisive bundle from lower jaw each side of symphysis; insertion, fibres surround mouth between skin and mucous membrane of lips and cheeks, and are blended with other muscles; action, closes lips; nerve supply, facial. Synonym: musculus orbicularis oris, musculus sphincter oris, orbicular muscle of mouth, sphincter oris. (05 Mar 2000) |
| musculus orbicularis palpebrarum | <anatomy> Consists of three portions: orbital part, or external portion, which arises from frontal process of maxilla and nasal process of frontal bone, encircles aperture of orbit, and is inserted near origin; palpebral part, or internal portion, which arises from medial palpebral ligament, passes through each eyelid, and is inserted into lateral palpebral raphe; lacrimal part (tensor tarsi muscle, Duverney's or Horner's muscle) arises from posterior lacrimal crest and passes across lacrimal sac to join palpebral portion; action, closes eye, wrinkles forehead vertically; nerve supply, facial. Synonym: musculus orbicularis oculi, musculus orbicularis palpebrarum, orbicular muscle of eye, sphincter oculi. (05 Mar 2000) |