| dorsal surface of digit | The dorsal surface of a finger or toe. Synonym: facies digitalis dorsalis. (05 Mar 2000) |
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| ventral surface of digit | The flat of the fingers; the flexor or anterior surface of the fingers. Synonym: facies digitalis ventralis, facies digitalis palmaris, ventral surface of digit. (05 Mar 2000) |
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| binary digit | The smallest unit of digital information expressed in the binary system of notation (either 0 or 1). The signal in computing. (05 Mar 2000) |
| supernumerary digit | An extra finger or toe. (12 Dec 1998) |
| digit | 1. <zoology> One of the terminal divisions of a limb appendage; a finger or toe. "The ruminants have the "cloven foot," i. E, two hoofed digits on each foot." (Owen) 2. A finger's breadth, commonly estimated to be three fourths of an inch. 3. <mathematics> One of the ten figures or symbols, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, by which all numbers are expressed; so called because of the use of the fingers in counting and computing. By some authorities the symbol 0 is not included with the digits. 4. <anatomy> One twelfth part of the diameter of the sun or moon; a term used to express the quantity of an eclipse; as, an eclipse of eight digits is one which hides two thirds of the diameter of the disk. Origin: L. Digitus finger; prob. Akin to Gr, of uncertain origin; possibly akin to E. Toe. Cf. Dactyl. Source: Websters Dictionary (01 Mar 1998) |
| digit, supernumerary | An extra finger or toe. (12 Dec 1998) |
| dorsal surface | The dorsal surface of a structure such as the sacrum and the scapula. Synonym: facies dorsalis. (05 Mar 2000) |
| dorsal surface of sacrum | The posterosuperior aspect of the sacrum marked by a median and two lateral sacral crests between which four dorsal sacral foramina are located on each side. Synonym: facies dorsalis ossis sacri. (05 Mar 2000) |
| dorsal surface of scapula | The outer aspect of the body of the scapula, subdivided by the prominent spine of the scapula into a smaller supraspinous fossa and a larger infraspinous fossa. Synonym: facies dorsalis scapulae. (05 Mar 2000) |
| ganglion cells of dorsal spinal root | Pseudounipolar nerve cell bodies in the ganglia of the dorsal spinal nerve roots; the sensory spinal nerves are composed of the peripheral axon branches of these sensory ganglion cell's, whereas the central axon branch of each such cell enters the spinal cord as a component of the dorsal root. (05 Mar 2000) |
| medial dorsal cutaneous nerve | <anatomy, nerve> The medial terminal branch of the superficial peroneal nerve, supplying the dorsum of the foot and dorsal nerves to the toes (except adjacent sides of great and second toes). Synonym: nervus cutaneus dorsalis medialis, dorsal medial cutaneous nerve. (05 Mar 2000) |
| superficial dorsal sacrococcygeal ligament | <anatomy> The continuation of the supraspinal ligament from the sacrum to the coccyx. Synonym: ligamentum sacrococcygeum posterius superficiale, superficial posterior sacrococcygeal ligament. (05 Mar 2000) |
| superficial dorsal veins of clitoris | A pair of veins on the dorsum of the clitoris, tributary to the external pudendal vein on either side. Synonym: venae dorsales clitoridis superficiales. (05 Mar 2000) |
| superficial dorsal veins of penis | A pair of veins on the dorsum of the penis superficial to the fascia penis; they are tributaries of the external pudendal veins on each side. Synonym: venae dorsales penis superficiales. (05 Mar 2000) |
| deep dorsal sacrococcygeal ligament | <anatomy> The continuation of the posterior longitudinal ligament uniting the sacrum and coccyx. Synonym: ligamentum sacrococcygeum posterius profundum, deep posterior sacrococcygeal ligament. (05 Mar 2000) |
| deep dorsal vein of clitoris | A tributary of the vesical venous plexus; it runs a course deep to the fascia on the dorsum of the clitoris. Synonym: vena dorsalis clitoridis profunda. (05 Mar 2000) |