| middle temporal convolution | A longitudinal gyrus on the lateral surface of the temporal lobe, between the superior and inferior temporal sulci. Synonym: gyrus temporalis medius, middle temporal convolution, second temporal convolution. (05 Mar 2000) |
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| middle temporal gyrus | A longitudinal gyrus on the lateral surface of the temporal lobe, between the superior and inferior temporal sulci. Synonym: gyrus temporalis medius, middle temporal convolution, second temporal convolution. (05 Mar 2000) |
| middle temporal sulcus | The sulcus between the middle temporal gyrus and inferior temporal gyrus. Synonym: sulcus temporalis medius. (05 Mar 2000) |
| middle temporal vein | <anatomy, vein> It arises near the lateral angle of the eye and joins the superficial temporal veins to form the retromandibular vein. Synonym: vena temporalis media. (05 Mar 2000) |
| middle thyroid vein | <anatomy, vein> It passes from the thyroid gland across the common carotid artery with the inferior thyroid arteries to empty into the internal jugular vein. Synonym: vena thyroidea media. (05 Mar 2000) |
| middle transverse rectal fold | See: transverse rectal folds. (05 Mar 2000) |
| middle trunk of brachial plexus | The continuation of the ventral ramus of the seventh cervical nerve; it contributes fibres to the posterior and lateral cords (fasciculi) of the brachial plexus. Synonym: truncus medius plexus brachialis. (05 Mar 2000) |
| middle turbinated bone | The middle thin, spongy, bony plate with curved margins, part of the ethmoidal labyrinth, projecting from the lateral wall of the nasal cavity and separating the superior meatus from the middle meatus, the above bony plate and its thick mucoperiosteum containing a cavernous vascular bed for heat exchange. Synonym: concha nasalis media, middle turbinated bone, turbinated body. (05 Mar 2000) |
| middle umbilical fold | A fold of peritoneum on the anterior wall of the abdomen covering the urachus, or remains of the allantoic stalk. Synonym: plica umbilicalis mediana, middle umbilical fold, plica umbilicalis media, plica urachi, urachal fold. (05 Mar 2000) |
| middle umbilical ligament | <anatomy> The remnant of the urachus, contained in the median umbilical fold; it persists as a midline fibrous cord between the apex of the bladder and the umbilicus. Synonym: ligamentum umbilicale medianum, middle umbilical ligament, urachal ligament. (05 Mar 2000) |
| midecamycin 4''-acylase | <enzyme> Use two apostrophes to type ''; when expressed in spiramycin producing strains of s. Lividans, forms propionylspiramycin II and III Registry number: EC 2.3.1.- (26 Jun 1999) |
| midecamycin 4''-propionyltransferase | <enzyme> Use two aposptrophes to type '' Registry number: EC 2.3.1.- Synonym: midecamycin 4''-hydroxyl propionyltransferase (26 Jun 1999) |
| midfeather | 1. A vertical water space in a fire box or combustion chamber. 2. <chemical> A support for the center of a tunnel. Source: Websters Dictionary (01 Mar 1998) |
| midforceps delivery | Delivery by forceps applied to the foetal head before the criteria of low forceps delivery have been met, but after engagement has taken place. (05 Mar 2000) |
| midgard | The middle space or region between heaven and hell; the abode of human beings; the earth. Origin: Icel. Mithgarthr. Source: Websters Dictionary (01 Mar 1998) |