| small deep petrosal nerve | <anatomy, nerve> One of two sympathetic branches from the internal carotid plexus to the tympanic plexus. Synonym: nervus caroticotympanicus, small deep petrosal nerve. (05 Mar 2000) |
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| superficial layer of deep cervical fascia | The part of the cervical fascia investing the sternocleidomastoid and trapezius muscles and completely encircling the neck. Synonym: lamina superficialis fasciae cervicalis, investing fascia, superficial layer of deep cervical fascia. (05 Mar 2000) |
| deep | 1. Extending far below the surface; of great perpendicular dimension (measured from the surface downward, and distinguished from high, which is measured upward); far to the bottom; having a certain depth; as, a deep sea. "The water where the brook is deep." (Shak) 2. Extending far back from the front or outer part; of great horizontal dimension (measured backward from the front or nearer part, mouth, etc); as, a deep cave or recess or wound; a gallery ten seats deep; a company of soldiers six files deep. "Shadowing squadrons deep." (Milton) "Safely in harbor Is the king's ship in the deep nook." (Shak) 3. Low in situation; lying far below the general surface; as, a deep valley. 4. Hard to penetrate or comprehend; profound; opposed to shallow or superficial; intricate; mysterious; not obvious; obscure; as, a deep subject or plot. "Speculations high or deep." (Milton) "A question deep almost as the mystery of life." (De Quincey) "O Lord, . . . Thy thought are very deep." (Ps. Xcii. 5) 5. Of penetrating or far-reaching intellect; not superficial; thoroughly skilled; sagacious; cunning. "Deep clerks she dumbs." (Shak) 6. Profound; thorough; complete; unmixed; intense; heavy; heartfelt; as, deep distress; deep melancholy; deep horror. "Deep despair." . "Deep silence." . "Deep sleep." . "Deeper darkness." . "Their deep poverty." . "An attitude of deep respect." (Motley) 7. Strongly coloured; dark; intense; not light or thin; as, deep blue or crimson. 8. Of low tone; full-toned; not high or sharp; grave; heavy. "The deep thunder." "The bass of heaven's deep organ." (Milton) 9. Muddy; boggy; sandy; said of roads. "The ways in that vale were very deep." (Clarendon) A deep line of operations, mourning complete and strongly marked, the garments being not only all black, but also composed of lusterless materials and of such fashion as is identified with mourning garments. Origin: OE. Dep, deop, AS. Deop; akin to D. Diep, G. Tief, Icel. Djpr, Sw. Diup, Dan. Dyb, Goth. Diups; fr. The root of E. Dip, dive. See Dip, Dive. Source: Websters Dictionary (01 Mar 1998) |
| deep abdominal reflexes | Contraction of abdominal muscles elicited by stimulation, such as tapping a deep structure; e.g., the costal margin. See: Galant's reflex, upper abdominal periosteal reflex. (05 Mar 2000) |
| deep bite | <dentistry> Excessive overbite, closed bite. (08 Jan 1998) |
| deep branch | Branch which passes deeply, beneath, or farther from surface; usually in contrast to a superficial branch. Synonym: ramus profundus. (05 Mar 2000) |
| deep branch of the lateral plantar nerve | <anatomy, nerve> Motor branch of lateral plantar nerve supplying lumbricals 2-4, plantar and dorsal interossei, and the adductor hallucis muscles. Synonym: ramus profundus nervi plantaris lateralis. (05 Mar 2000) |
| deep branch of the radial nerve | <anatomy, nerve> The deep terminal branch of the radial nerve, arises in the cubital region, penetrating and supplying the supinator and continuing with the posterior interosseous artery to supply all the extensor muscles in the forearm. Synonym: nervus interosseus posterior, nervus antebrachii posterior, deep branch of the radial nerve, dorsal interosseous nerve, nervus interosseus dorsalis, posterior antebrachial nerve. (05 Mar 2000) |
| deep branch of the ulnar nerve | <anatomy, nerve> Accompanies deep palmar branch of ulnar artery and deep palmar arch to supply wrist joint, lumbricals 3 & 4, palmar and dorsal interossei adductor pollicis and deep head of flexor pollicis brevis muscles. Synonym: ramus profundus nervi ulnaris. (05 Mar 2000) |
| deep cardiac plexus | The deeper part of the cardiac plexus. Synonym: plexus cardiacus profundus. (05 Mar 2000) |
| deep cell | <embryology> Cells (blastomeres) in the teleost blastula that lie between the outer cell layer and the yolk syncytial layer and are the cells from which the embryo proper is constructed during gastrulation, much studied in the fish, Fundulus. (18 Nov 1997) |
| deep cerebral veins | The numerous veins draining the deep structures of the cerebral hemispheres; they empty into the tributaries of the great cerebral vein. Synonym: venae cerebri profundae. (05 Mar 2000) |
| deep cervical fascia | Fascia of the neck; it is divided into an external or investing layer (superficial lamina) that surrounds the neck and encloses the trapezius and sternocleidomastoid muscles, a middle or pretracheal layer in relation to the infrahyoid muscles, and a deep or prevertebral layer applied to the vertebrae and axial muscles. Synonym: fascia cervicalis, deep fascia of neck, fascia cervicalis profunda. (05 Mar 2000) |
| deep cervical vein | <anatomy, vein> Large vein running with the artery of the same name between the semispinalis capitis and semispinalis cervicis draining the deep muscles at the back of the neck and emptying into the brachiocephalic or the vertebral vein. Synonym: vena cervicalis profunda. (05 Mar 2000) |
| deep cortex | <anatomy> Mid cortical region of lymph node, area that is particularly depleted of T lymphocytes in thymectomised animals and is referred to as the thymus dependent area. (18 Nov 1997) |