| deep layer | In a stratified structure, the stratum which lies beneath all others, furthest from the surface. See: deep layer of levator palpebrae superioris muscle}, deep layer of temporalis fascia. Synonym: lamina profunda, deep lamina. (05 Mar 2000) |
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| deep layer of levator palpebrae superioris muscle | <anatomy> The deeper fibres of the levator muscle of the superior eyelid which are inserted into the superior tarsal plate. Synonym: lamina profunda musculi levatoris palpebrae superioris. (05 Mar 2000) |
| deep layer of temporalis fascia | The deep part of the temporal fascia attaching to the medial surface of the zygomatic arch. Synonym: lamina profunda fasciae temporalis. (05 Mar 2000) |
| deep lingual vein | <anatomy, vein> The principle vein of the tongue that accompanies the deep lingual artery and joins the lingual vein. It drains the body and apex of the tongue, running posteriorly near the median plane; they are often visible through the mucosa on the underside of the tongue, to each side of the frenulum. Synonym: vena profunda linguae. (05 Mar 2000) |
| deep lymphatic vessel | One of the vessels that drain lymph from the deep structures of the body; they tend to follow the courses of blood vessels to reach regional lymph nodes. Synonym: vas lymphaticum profundum. (05 Mar 2000) |
| deep middle cerebral vein | <anatomy, vein> The vein that accompanies the middle cerebral artery in the depths of the lateral sulcus and empties into the basal vein of Rosenthal. Synonym: vena cerebri media profunda. (05 Mar 2000) |
| deep muscles of back | Muscles of the back innervated by the dorsal primary rami of spinal nerves; includes erector spinae, transversospinalis, interspinal, and intertransverse muscles; excludes the superficial back muscles which are appendicular and are innervated by ventral rami, and the trapezius, innervated by the spinal accessory nerve. Synonym: true muscles of back. (05 Mar 2000) |
| deep palmar (arterial) arch | The arterial arch located deep to the long flexor tendons in the hand. It is formed by the terminal part of the radial artery in conjunction with the deep palmar branch of the ulnar artery. The arch gives rise to palmar metacarpal and princeps pollicis arteries. Synonym: arcus palmaris profundus, arcus volaris profundus. (05 Mar 2000) |
| deep palmar venous arch | The venous arch that accompanies the deep palmar arterial arch it usually consists of paired venae comitantes. Synonym: arcus venosus palmaris profundus. (05 Mar 2000) |
| deep parotid lymph nodes | The group of lymph nodes associated with the parotid gland lying deep to the parotid masseteric fascia. Synonym: nodi lymphatici parotidei profundi. (05 Mar 2000) |
| deep part of external anal sphincter | deep part of external anal sphincter |
| deep part of flexor retinaculum | <anatomy> A strong fibrous band crossing the front of the carpus and binding down the flexor tendons of the digits and the flexor carpi radialis tendon and the median nerve; in so doing it creates the carpal tunnel. Synonym: retinaculum flexorum, deep part of flexor retinaculum, flexor retinaculum, ligamentum carpi transversum, ligamentum carpi volare, volar carpal ligament. (05 Mar 2000) |
| deep part of masseter muscle | deep part of masseter muscle |
| deep part of parotid gland | See: parotid gland. (05 Mar 2000) |
| deep percussion | Heavy percussion to obtain information about deeply situated organs or structures. (05 Mar 2000) |