rectus


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to rectus: lateral rectus, Rectus capitis anterior, rectus foot, Rectus sheath

rectus

 [rek´tus] (L.)
straight.

rectus

/rec·tus/ (rek´tus) [L.] straight.

rectus

(rĕk′təs)
n. pl. rec·ti (-tī′)
Any of various straight muscles, as of the abdomen, eye, neck, and thigh.

rectus

Any of several straight muscles, such as the central vertical muscle on either side of the midline of the abdomen (the rectus abdominis), the rectus femoris on the front of the thigh or the four rectus muscles that move the eyeball. From the Latin rectus , straight.

rectus

a straight muscle, such as either of the two muscles that serve, together with the more anterior pair of oblique muscles, to move the eyeball. They are situated behind the eyeball in a posterior position.

rectus

[L.] straight.

rectus abdominis muscle
see Table 13.2.
ocular rectus muscle
see Table 13.1F.
rectus sheath
the sleeve of fascia which surrounds the rectus abdominis muscle and which is derived from the aponeurotic tendons of the other abdominal muscles.
References in periodicals archive ?
The focus, depth, and contrast settings were manipulated individually to increase image clarity of the rectus abdominis borders and IRD and to differentiate from surrounding anatomical structures.
Similarly, Rectus Femoris is also found to be active during the sit-to-stand as well as other tasks.
involvement of the paired medial rectus subnuclei causes a wall-eyed bilateral internuclear ophthalmoplegia (WEBINO), characterised by exotropia, and defective convergence and adduction.
Rectus sheath hematoma though routinely benign, may present with severe complications such as hemorrhagic shock or obstructive anuria in occasional cases.
A case of unilateral medial rectus paresis following a viper bite.
While the cited studies about the selective activation of the rectus abdominis muscle used different experimental procedures, all of them used surface EMG to analyze the signal amplitude during motor tasks of median to high intensity.
Surface electromyogram (Biopac Systems Inc, Santa Barbara, CA) was used to quantify rectus oblique and external oblique activity during exercise.
The ribs and clavicles were sutured to the mesh and a rectus abdominus rotational muscle flap was employed to cover the prosthesis.
Some minor infarctions at the midbrain which resulted in localized paralysis like weakness of a single extra ocular muscle (121, isolated contralateral superior rectus palsy (13) have been demonstrated previously.
The next day she received an ultrasound-guided bilateral posterior TAP block and rectus sheath block (combined blocks) and the morphine infusion was ceased.
During Caesarean section, a Pfannenstiel incision is preferred; this involves a transverse incision of 8-12 cm across the fascia of the rectus sheath, external oblique, internal oblique and the transversus abdominis muscles supra-pubically.