Also found in: Dictionary, Thesaurus, Legal, Encyclopedia.
Related to internus: profundus, Obturator internus


situated or occurring within or on the inside, as in a hollow structure; in anatomy, many structures formerly called internal are now termed medial.


(in-ter'năl), [TA] Do not confuse this word with inner or medial.
Away from the surface; often incorrectly used to mean medial.
Synonym(s): internus [TA]
[L. internus]


/in·ter·nus/ (in-ter´nus) [L.] internal; in anatomy, denoting a structure nearer to the center of an organ or part.


[L.] internal; denoting a structure nearer to the center of an organ or part.
References in periodicals archive ?
Chronic stimulation of the globus pallidus internus for treatment of non-DYT1 generalized dystonia and choreoathetosis: 2-year follow up.
showed that certain suspected cases of piriformis syndrome maybe due to sciatic nerve crushing by obturator internus muscle, without piriformis involvement [5].
There have been very few case reports in the literature of acute obturator internus or externus strains and to the authors' knowledge this is the first report involving both obturator internus and externus without other hip structure injuries (6, 7).
Their oviducts and uterus internus appear as two cords of cells without apparent lumen.
Endleman I and Critchley D (2008): Transversus abdominis and obliquus internus activity during Pilates exercises: Measurement with ultrasound scanning.
CT examination of the abdomen and pelvis (with oral and IV contrast) demonstrated a large, complex, multiloculated fluid collection involving the left gluteal musculature, left illiacus muscle, left obturator internus muscle, left iliopsoas muscle, and the left iliopsoas bursae (Figures 2A, C and D) In addition, bone windows demonstrated erosive changes in the left sacroiliac joint (Figure 2B).
The interior fixation arms anchor into the sacrospinous ligament, avoiding the external pulley effect that we have seen with other devices like the Capio, which could put constant tension on key structures, including the obturator internus muscle and the sacrospinous ligament.
Endleman I, Critchley DJ (2008) Transversus abdominis and obliquus internus activity during pilates exercises: measurement with ultrasound scanning.
The most commonly targeted areas are the ventral intermediate thalamic nucleus (Vim), the globus pallidus internus (GPi), and the subthalamic nucleus (STN).
The ninth subject was diagnosed with acetabular osteomyelitis based on evidence of marrow and soft-tissue edema in the obturator internus muscle, away from the intervention site.
Frutices vel arbores; cortex internus ubi incisus sine vel vix cum liquore resinoso; folia distiche disposita; foliola nervatione camptodroma, translucido-punctata vel epunctata, infra plerumque papillosa; bracteolae oblongae vel ovatae, proxima les, calycem adnatae, vel frequenter patentes.
A thrombus in his internal jugular vein (Lemierre's syndrome) and an abscess in his obturator internus were subsequently found.