| M1 | mitral first [sound]; myeloblast; slight dullness |
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| 3-M [syndrome] | initials for Miller, McKusick, and Malvaux, who first described the syndrome |
| MI | first meiotic metaphase; maturation index; medical illustrator; medical informatics; medical inspect... |
| MS | I, II, III, IV medical student-first, second, third, and fourth year |
| NI-NXII | first to twelfth cranial nerves |
| genital branch of genitofemoral nerve | <anatomy, nerve> Branch of genitofemoral nerve distributed to skin of anterior scrotum (male) or labia majora (female) and adjacent thigh and supplying a motor branch to the cremaster muscle. Usually passes through deep inguinal ring and canal. Synonym: ramus genitalis nervi genitofemoralis, external spermatic nerve, nervus spermaticus externus. (05 Mar 2000) |
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| genital branch of iliohypogastric nerve | <anatomy, nerve> Distribution, skin on pubis. Synonym: ramus cutaneus anterior nervi iliohypogastrici, genital branch of iliohypogastric nerve. (05 Mar 2000) |
| genitocrural nerve | <anatomy, nerve> Arises from the first and second lumbar nerves, passes distad along the anterior surface of psoas major muscle and divides into genital and femoral branches. Synonym: nervus genitofemoralis, genitocrural nerve. (05 Mar 2000) |
| genitofemoral nerve | <anatomy, nerve> Arises from the first and second lumbar nerves, passes distad along the anterior surface of psoas major muscle and divides into genital and femoral branches. Synonym: nervus genitofemoralis, genitocrural nerve. (05 Mar 2000) |
| receptors, nerve growth factor | Cell surface receptors that bind nerve growth factor (ngf) and trigger intracellular changes influencing the behaviour of cells. Nerve growth factor receptors mediate the effects of nerve growth factor on the survival and growth of neurons. (12 Dec 1998) |
| parasympathetic nerve | <anatomy, nerve> One of the nerve's of the parasympathetic nervous system. (05 Mar 2000) |
| genu of facial nerve | <anatomy, nerve> The curve which the fibres of the root of the facial nerve describe around the abducens nucleus in the pontine tegmentum; the internal genu of the facial nerve. Synonym: genu nervi facialis. (05 Mar 2000) |
| caroticotympanic 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) |
| vertebral nerve | <anatomy, nerve> A branch from the stellate ganglion that ascends along the vertebral artery to the level of the axis or atlas, giving branches to the cervical nerves and meninges. Synonym: nervus vertebralis. (05 Mar 2000) |
| carotid sinus nerve | <anatomy, nerve> A branch of the glossopharyngeal nerve that innervates the baroreceptors in the wall of the carotid sinus and the chemoreceptors in the carotid body. Synonym: ramus sinus carotici, carotid sinus branch, Hering's sinus nerve, intercarotid nerve, nerve to carotid sinus, sinus nerve of Hering. (05 Mar 2000) |
| masseteric nerve | <anatomy, nerve> A muscular branch of the mandibular nerve passing through the mandibular notch to the medial surface of the masseter muscle which it supplies and the temporomandibular joint. Synonym: nervus massetericus. (05 Mar 2000) |
| recurrent laryngeal nerve | <anatomy, nerve> A branch of a nerve (the vagus nerve) that comes down the neck and turns back ( recurs ) to supply the larynx (the voice box ). (12 Dec 1998) |
| recurrent meningeal nerve | <anatomy, nerve> Meningeal branches of 1) mandibular, 2) maxillary, 3) ophthalmic, and 4) spinal nerves. (05 Mar 2000) |
| recurrent nerve | <anatomy, nerve> A branch of a nerve (the vagus nerve) that comes down the neck and turns back ( recurs ) to supply the larynx (the voice box ). (12 Dec 1998) |
| masticator nerve | <anatomy, nerve> The smaller root of the trigeminal nerve, composed of fibres originating from the trigeminal motor nucleus and emerging from the pons medial to the much larger sensory root, to join the mandibular nerve; it carries motor and proprioceptive fibres to the muscles derived from the first bronchial (mandibular) arch, including the four muscles of mastication, plus the mylohyoid, anterior belly of the digastric, and the tensores tympani and veli palati. Synonym: radix motoria nervi trigemini, masticator nerve, portio minor nervi trigemini. (05 Mar 2000) |