What's the difference between rectus and rictus?

Rectus


Definition:

  • (n.) A straight muscle; as, the recti of the eye.

Example Sentences:

  • (1) The authors propose three regular procedures with which they are experienced: repair with a large retromuscular nonabsorbable synthetic tulle prosthesis for extensive epigastric eventrations, fillup aponeuroplasty using the sheath of the rectus abdominis associated with a premuscular patch in case of diastasis or of multiple superimposed orifices and suture associated with a small retromuscular auxiliary patch to treat small incisional hernias.
  • (2) This study demonstrates the termination of ascending tract of Deiters' (ATD) axons on ipsilateral medial rectus (MR) motoneurons.
  • (3) At a concentration of 10 microM, tetraamine 4 did not affect histamine and 5-hydroxytryptamine receptors of guinea pig ileum or alpha-adrenoreceptors of guinea pig atria whereas it inhibited postsynaptic alpha-adrenoreceptors of rat vas deferens with a -log K value of 5.23 and nicotinic receptors of frog rectus abdominis with an IC50 value of 0.23 microM.
  • (4) Bimedial rectus recession with measurement from the limbus was combined with conjuctival recession 85 children undergoing surgery for esotropia.
  • (5) When maximal isometric trunk flexor or extensor torques were imposed upon a maximal Valsalva manoeuvre, transversus abdominis activity and intra-abdominal pressure remained comparable within and across conditions, whereas obliquus internus, obliquus externus and rectus abdominis activities either markedly increased (flexion) or decreased (extension).
  • (6) In the same subject, also the ratio between the number of the muscle spindles found in m. rectus dorsalis and that of m. levator palpebrae superioris was examined.
  • (7) The most commonly used techniques, in our institution, are tissue expansion, use of the latissimus dorsi flap, and use of the transverse rectus abdominis musculocutaneous (TRAM) flap.
  • (8) Practoloo, USVC 6524 and Inpea produced a dose related inhibition of acetylcholine induced contractions of rectus abdominis muscle of frog.
  • (9) The effect of partial resection of the gyrus rectus during the unilateral pterional approach on surgical outcome was evaluated in 194 consecutive patients with ruptured anterior communicating artery aneurysms.
  • (10) Collection of EMGs of soleus, lateral gastrocnemius, vastus medialis and rectus femoris lasted for 200 msec after stimulation, which was triggered when the pedal was 56 degrees beyond top-dead-center.
  • (11) However, during both hypercapnia and PEEP, length changes of the external oblique were significantly greater than those of the rectus abdominis.
  • (12) Frequently, the medial rectus muscle must be recessed 10 nm or more and the lateral rectus muscle resected 10 nm or more to achieve this result.
  • (13) Parenteral nutrition with 50% triacetin and 50% LCTs promoted a positive nitrogen balance similar to that of 100% LCTs, increased protein in rectus muscle and liver, smaller and more numerous mucosal cells in jejunum and colon, and increased colonic mucosal weight compared with the other groups.
  • (14) The effects of age and endurance training on muscle fibre characteristics were studied in a slow (m. soleus, MS) and in a fast (m. rectus femoris, MRF) skeletal muscle.
  • (15) Fibers originating from riMLF DMLBs projected, usually ipsilaterally, to the NIC as well as in the inferior rectus and the superior oblique subdivisions of the oculomotor complex.
  • (16) We propose inadvertent excision of the lateral portion of the inferior rectus muscle during inferior oblique myectomy as the probable mechanism of inferior rectus injury.
  • (17) Essentially there is no influence of the HCN stimulation on bilateral superior rectus (SR), inferior rectus (IR), superior oblique (SO) and inferior oblique (IO) motoneurons.
  • (18) The rectus abdominis electromyogram recorded expiratory muscle activity during the expiratory pause; vagotomy markedly reduced it in upright dogs and it was undetectable in supine dogs.
  • (19) Brief periods of a rapid-eye-movement (REM) state characterized by phasic lateral rectus and diaphragmatic activity and absence of nuchal activity were recognized.
  • (20) The rectus abdominis musculocutaneous free flap, based on the deep inferior epigastric artery and vein, has been used widely in reconstruction of the breast and extremities.

Rictus


Definition:

  • (n.) The gape of the mouth, as of birds; -- often resricted to the corners of the mouth.

Example Sentences:

  • (1) Will she give a terse welcome to Baker, through a rictus grin?
  • (2) I’ll tell you what’s going on,” the shadow foreign secretary said, through a truly abject rictus.
  • (3) All his other smiles, however, were a terrified rictus.
  • (4) All other traditional features were present and correct: Painful banter between Brucie and his co-presenter Tess Daly, the latter's mouth fixed in a rictus grin while behind her eyes rage and despair fight to the death.
  • (5) Kudrow created and co-wrote this gem of a series, in which actors regarded as washed up by Hollywood, including Lily Tomlin, Minnie Driver and Rosie O'Donnell, get to do some of their career best work, mostly improvised, as antagonists tearing down the ghastly Fiona's rictus facade of concern for others.
  • (6) The blizzards of arcane papers, the schmoozing rictus grin, the dodgy promises, the fiscal mayhem.
  • (7) She speculates about Trump’s smile as the smile of a woman who is afraid; about her speech on cyber-bullying as a veiled cry for help; and paints a picture of her as someone “with a gun discreetly pointed at her back, with her necklines so high her clothes seem to be trying to strangle her and that rictus smile that never reaches her eyes”.
  • (8) There's the hair, of course, usually shiny and sculpted and framing a face that is TV-cute as opposed to movie-beautiful and capable of wondrous rictuses and gurns (among these actors – Veep's Anna Chlumsky and Modern Family's Julie Bowen, say – are some of the funniest reaction-actors working today).
  • (9) These consisted of a brief, complex movement of slight to severe intensity, mainly involving the axial muscles, with raising of the shoulders, adversion of the eyes and head, often with rictus-type facial grimaces and occasional stretching of the legs and emission of a guttural sound.
  • (10) They interpret this rictus as concealing pain, and a sign of a desperate need for constant approval.

Words possibly related to "rectus"

Words possibly related to "rictus"