| long head of triceps | <anatomy, muscle> Origin, infraglenoid tuberosity of scapula; insertion, posterior and upper olecranon and fascia of the forearm; action, extends and adducts arm. (06 Mar 2000) |
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| long head | The head that has the more proximal origin. Nomina Anatomica lists long heads (caput longum...) of the following: 1) biceps brachii muscle (... Musculi bicipitis brachii ); 2) biceps femoris muscle (... Musculi bicipitis femoris ); 3) triceps brachii muscle (... Musculi tricipitis brachii ). Synonym: caput longum. (05 Mar 2000) |
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| long muscle of head | <anatomy, muscle> Origin, anterior tubercles of transverse processes of third to sixth cervical vertebrae; insertion, basilar process of occipital bone; action, twists or flexes neck anteriorly; nerve supply, cervical plexus. Synonym: musculus longus capitis, long muscle of head, musculus rectus capitis anticus major. (05 Mar 2000) |
| paradoxical triceps reflex | Flexion of the forearm caused by tapping the olecranon. Synonym: paradoxical triceps reflex. (05 Mar 2000) |
| musculus triceps brachii | <anatomy, muscle> Origin, long or scapular head: lateral border of scapula below glenoid fossa, lateral head: lateral and posterior surface of humerus below greater tubercle, medial head: posterior surface of humerus below radial groove; insertion, olecranon of ulna; action, extends elbow; nerve supply, radial. Synonym: musculus triceps brachii, triceps muscle of arm. (05 Mar 2000) |
| musculus triceps coxae | <anatomy> The obturator internus and superior and inferior gemellus muscles considered as one muscle, inserting via a single tendon into the greater trochanter of the femur. Synonym: musculus triceps coxae, triceps muscle of hip. (05 Mar 2000) |
| musculus triceps surae | <anatomy> The two bellies of the gastrocnemius and soleus considered as one muscle. Synonym: musculus triceps surae, triceps muscle of calf. (05 Mar 2000) |
| triceps brachii | <anatomy, muscle> Origin, long or scapular head: lateral border of scapula below glenoid fossa, lateral head: lateral and posterior surface of humerus below greater tubercle, medial head: posterior surface of humerus below radial groove; insertion, olecranon of ulna; action, extends elbow; nerve supply, radial. Synonym: musculus triceps brachii, triceps muscle of arm. (05 Mar 2000) |
| triceps bursa | <anatomy> The bursa located deep to the tendon of the triceps brachii near its insertion on the olecranon. Synonym: bursa subtendinea musculi tricipitus brachii. (05 Mar 2000) |
| triceps coxae muscle | <anatomy> The obturator internus and superior and inferior gemellus muscles considered as one muscle, inserting via a single tendon into the greater trochanter of the femur. Synonym: musculus triceps coxae, triceps muscle of hip. (05 Mar 2000) |
| triceps muscle of arm | <anatomy, muscle> Origin, long or scapular head: lateral border of scapula below glenoid fossa, lateral head: lateral and posterior surface of humerus below greater tubercle, medial head: posterior surface of humerus below radial groove; insertion, olecranon of ulna; action, extends elbow; nerve supply, radial. Synonym: musculus triceps brachii, triceps muscle of arm. (05 Mar 2000) |
| triceps muscle of calf | <anatomy> The two bellies of the gastrocnemius and soleus considered as one muscle. Synonym: musculus triceps surae, triceps muscle of calf. (05 Mar 2000) |
| triceps muscle of hip | <anatomy> The obturator internus and superior and inferior gemellus muscles considered as one muscle, inserting via a single tendon into the greater trochanter of the femur. Synonym: musculus triceps coxae, triceps muscle of hip. (05 Mar 2000) |
| triceps reflex | A sudden contraction of the triceps muscle caused by a smart tap on its tendon when the forearm hangs loosely at a right angle with the arm. Synonym: elbow jerk, elbow reflex. (05 Mar 2000) |
| triceps surae muscle | <anatomy> The two bellies of the gastrocnemius and soleus considered as one muscle. Synonym: musculus triceps surae, triceps muscle of calf. (05 Mar 2000) |
| triceps surae reflex | A contraction of the calf muscles when the tendo calcaneus is sharply struck. Synonym: ankle jerk, ankle reflex, tendo Achillis reflex, triceps surae reflex. (05 Mar 2000) |