| frondlet | <botany> A very small frond, or distinct portion of a compound frond. Source: Websters Dictionary (01 Mar 1998) |
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| frondose | <botany> Frond bearing; resembling a frond; having a simple expansion not separable into stem and leaves. See: leafy. Origin: L. Frondosus leafy. Source: Websters Dictionary (01 Mar 1998) |
| frondous | <botany> Frondose. Source: Websters Dictionary (01 Mar 1998) |
| frons | Synonym: forehead. Origin: L. (05 Mar 2000) |
| front | The position of the leading edge of the solvent in chromatography. (05 Mar 2000) |
| front lens | <physics> The front element of a compound lens system, the first lens element which the entering light encounters. See: back lens. (05 Aug 1998) |
| front-tap contraction | Contraction of the calf muscles when the anterior surface of the leg is struck. Synonym: Gowers' contraction. (05 Mar 2000) |
| front-tap reflex | Contraction of the gastrocnemius muscle when the shin is struck. Synonym: periosteal reflex. (05 Mar 2000) |
| frontad | Toward the front. (05 Mar 2000) |
| frontal | Belonging to the front part; being in front; especially. <anatomy> . Of or pertaining to the forehead or the anterior part of the roof of the brain case; as, the frontal bones. Origin: Cf. F. Frontal. 1. Something worn on the forehead or face; a frontlet; as: An ornamental band for the hair. The metal face guard of a soldier. 2. A little pediment over a door or window. 3. A movable, decorative member in metal, carved wood, or, commonly, in rich stuff or in embroidery, covering the front of the altar. Frontals are usually changed according to the different ceremonies. 4. <medicine> A medicament or application for the forehead. 5. <anatomy> The frontal bone, or one of the two frontal bones, of the cranium. Frontal hammer or helve, a forge hammer lifted by a cam, acting upon a "tongue" immediately in front of the hammer head. Origin: F. Frontal, fronteau, OF. Frontel, frontal, L. Frontale an ornament for the forehead, frontlet. See Front. Source: Websters Dictionary (01 Mar 1998) |
| frontal angle of parietal bone | The anterior superior angle of the parietal bone. Synonym: angulus frontalis ossis parietalis. (05 Mar 2000) |
| frontal area | Cortex of the frontal lobe of the cerebral hemisphere, originally, the entire cortical expanse anterior to the central sulcus, including the agranular motor and premotor cortex (Brodmann's areas 4 and 6), the dysgranular cortex (area 8), and the granular frontal (prefrontal) cortex anterior to the latter, now more often refers to the granular frontal (prefrontal) cortex. Synonym: frontal area. (05 Mar 2000) |
| frontal artery | <anatomy, artery> Origin, ophthalmic; distribution, anterior portion of scalp; anastomoses, branches of supraorbital. Synonym: arteria supratrochlearis, arteria frontalis, frontal artery. (05 Mar 2000) |
| frontal belly of occipitofrontalis muscle | <anatomy> The anterior belly of the occipitofrontalis muscle. See: occipitofrontalis muscle. Synonym: venter frontalis musculi occipitofrontalis, frontalis muscle. (05 Mar 2000) |
| frontal bone | The large single bone forming the forehead and the upper margin and roof of the orbit on either side; it articulates with the parietal, nasal, ethmoid, maxillary, and zygomatic bones, and with the lesser wings of the sphenoid. Synonym: os frontale, coronale. (05 Mar 2000) |