| abdominal muscles | A large group of muscles in the front of the abdomen that assists in the regular breathing movement and supports the muscles of the spine while lifting and keeping abdominal organs such as the intestines in place. (12 Dec 1998) |
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| antagonistic muscles | Those having an opposite function, the contraction of one having the potential, in theory, to "neutralise" that of the other. (05 Mar 2000) |
| anterior cervical intertransverse muscles | Origin, anterior tubercle of cervical transverse process; insertion, anterior tubercle of next superior transverse process; action, abducts cervical vertebrae; nerve supply, ventral branch of cervical nerves. Synonym: musculi intertransversarii anteriores cervicis, anterior cervical intertransverse muscles. (05 Mar 2000) |
| antigravity muscles | The muscle's that maintain the posture characteristic of a given animal species. In most mammals they are the extensor muscle's. (05 Mar 2000) |
| aponeurosis of vastus muscles | See: patellar retinaculum, medial patellar retinaculum, lateral patellar retinaculum. (05 Mar 2000) |
| arrector pili muscles | Bundles of smooth muscle fibres, attached to the deep part of the hair follicles, passing outward alongside the sebaceous glands to the papillary layer of the corium; they act to pull the hairs erect, causing "goose bumps" or "goose flesh" (cutis anserina). Synonym: musculi arrectores pilorum, arrectores pilorum, erector muscles of hairs. (05 Mar 2000) |
| branchiomeric muscles | The muscle's derived from branchial arch mesoderm that provide a large portion of the musculature for the face and neck. (05 Mar 2000) |
| palatal muscles | The muscles of the palate are the glossopalatine, palatoglossus, levator palati(ni), musculus uvulae, palatopharyngeus, and tensor palati(ni). (12 Dec 1998) |
| papillary muscles | Conical muscular projections from the walls of the cardiac ventricles, attached to the cusps of the atrioventricular valves by the chordae tendineae. (12 Dec 1998) |
| masticatory muscles | Muscles arising in the zygomatic arch that close the jaw. Their nerve supply is masseteric from the mandibular division of the trigeminal nerve. (12 Dec 1998) |
| Reisseisen's muscles | Microscopic smooth muscle fibres in the smallest bronchial tubes. (05 Mar 2000) |
| medial lumbar intertransverse muscles | Origin, accessory and mamillary processes of lumbar vertebrae; insertion, corresponding processes of next superior vertebra; action, abducts lumbar vertebrae; nerve supply, dorsal primary rami of lumbar spinal nerves. Synonym: musculi intertransversarii mediales lumborum, medial lumbar intertransverse muscles. (05 Mar 2000) |
| pectinate muscles | Prominent ridges of atrial myocardium located on the inner surface of much of the right atrium and both auricles. Synonym: musculi pectinati, pectinate fibres. (05 Mar 2000) |
| pectoralis muscles | Muscular tissues attached to the front of the chest wall and extending to the upper arms. These are under the breast. They are divided into the pectoralis major and the pectoralis minor muscles. (09 Oct 1997) |
| pectoral muscles | Muscles underlying the breast area. (16 Dec 1997) |