FORNICATION 



191 



FOLK 



Fornication (for-nih-a'-shun) [fomicari, to forni- 

 cate]. The illicit sexual intercourse ol an unmarried 

 person of cither -ex with another, whether married or 

 uot. 



Fornicolumn [for'-ne-kol-um) [fornix, an arch ; col- 

 umna, a column]. The anterior pillar of the fornix, 

 one in each hemicerebrum. It is a bundle of fibers 

 ascending from the albicans and thalamus, passing 

 ju.-t caudadofthe precommissure, forming the cephalic 

 boundary of the porta, and ending in the temporal lobe.. 



Fornicommissure [for-ne-kom' '-is-shur) [fomii . 

 arch ; commissura, a commissure], A lamina of 

 greater or less thickness uniting the two hemifornices 

 of the brain. It is not a true commissure, nor even 

 fibr< ius in structure. 



Fornicrista [for-ne-kris' '-tah ). See Crista. 



Fornix (for' -nibs \ [fornix, an arch], i. Theproject- 

 ing bundle of the gyrus hippocampi, from which it 

 collects the medullated nerve-fibers through the fim- 

 bria. Through the fornix the transition from the 

 hemispheres to the dicncephalon is established. 2. 

 In biology, a vaulted or arched arrangement or ap- 

 pendage, as the scales in the throat of some corollas, 

 or the hollow beneath the umbo of a bivalve-shell. 

 F. descendens. See Bundle of Vicq d'Azyr. 



Forster's Method. See Cataract, Artificial Matura- 

 tion of. F.'s, Operation. See Operations. Table of. 



Fortification Spectrum | for-tif-ik-a' -shun spek'-trum). 

 Teichopsia ; the appearance of a peculiar subjective 

 visual sensation in migraine. The luminous shape of 

 its outer edge assumes a zigzag form, with angles iike 

 those of a fortification. 



Fosforus ( fos'-for-us\. A commendable orthography 

 for phosphorus. It has been recommended for adop- 

 tion by recent spelling-reformers. 



Fossa \/'os' -ah) [fossa, a ditch : pi., Fossa"]. A de- 

 pression, furrow, or sinus. F.. Canine, the depression 

 on the external surface of the superior maxillary bone, 

 giving rise to the origin of the levator anguli oris and 

 compressor nasi muscle-. F.. Condyloid, a fossa 

 behind each condyle of the occipital bone. F. coro- 

 naris, the boundary between the disc and corona, in 

 Medusa. F.. Cranial, any fossa of the skull. F., 

 Digastric, a deep groove on the inner aspect of the 

 mastoid process for the attachment of the digastric 

 muscle. F., Digital, a deep depression at the base 

 of the inner surface of the great trochanter of the femur. 

 F., Glenoid, the fossa in the temporal bone that receh es 

 the condyle of the lower jaw. F., Hyaloid, a depres- 

 sion in the anterior surface of the vitreous body for the 

 crystalline lens. F., Hyoid, a small cavity external 

 to the ary-epiglottic fold on either side of the larynx. 

 It is also called the Sinus piriformis. F., Iliac, the 

 smooth internal surface of the ilium. F., Incisive, 

 a depression in the superior maxillary bone just above 

 the incisor teeth. F., Infraclavicular. See F. , 

 Mohrenheim's. F. innominata. Same as F. sca- 

 phoidea. F.. Jugular, a deep excavation in the pe- 

 trous portion of the temporal bone, forming part of the 

 posterior lacerated foramen. F. lachrymalis, the de- 

 pression in the frontal bone for the reception of the 

 lachrymal gland. F., Lenticular. Same as F., 

 Hyaloid. F.. Mohrenheim's, the infraclavicular 

 fossa ; a triangular depression beneath the clavicle. 

 F., Myrtiform. Same as /•'. . Incisive. F., Nasal, 

 the nostrils. See Nasal /■'■• see. F. navicularis. 

 .1/ rgagnVs fossa, a fossa within the penis, formed by 

 a dilatation in the spongy portion of the urethral pas- 

 sage. F.. Occipital, a fossa behind tin- condyle of 

 the occipital bone. F.. Olfactory, the fossa in the 

 fetus that develops into the nasal fossa. F. ovalis. 

 an oval <lepre--ion in the right auricle of the heart. F., 



Palatine, the anterior palatine cana! through 



the palatine process of the superior m ill h 



branches into tour compartments, the forac 



sen, and the- foramina of Scarpa. F. patellaris, .. 

 pression on the anterior aspect of the- vitreous humor in 

 which rests the posterior surface of thi F., 



Pituitary, a depression below the olivary process 

 the sphenoid bone lodging the pituitary body. F., 

 Prepontile, the anterior foramen caecum. S< e / 

 inin, i, 7 able of . F., Pterygoid, the parating 



the external and internal plates of t 



- <.i the sphenoid. F. of Rosenmiiller, a dq 

 -ion on the ; i wall of the naso-pharynx immedi- 



ately behind the Eustachian orifice. F. scaphoidea, 

 the curved depression between the helix and antihelix 

 of the external ear. F. sigmoidea. a deepgroove on the 

 internal surface of the mastoid portion of the temporal 

 bone into which the mastoid foramen opens. F., Sphe- 

 no-maxillary, a triangular space at the angle of the 

 spheno-maxillary and pterygo-maxillary fissures. F., 

 Sublingual, a depression on the internal surface of the 

 inferior maxillary bone, for containing the sublingual 

 gland. F., Submaxillary, the oblong depression on 

 the internal surface of the inferior maxillary bone, 

 which contains the submaxillary gland. F., Sub- 

 scapular, a broad cavity on the internal surface of 

 the scapula. F. , Temporal, the fossa on either side of 

 the head filled by the temporal muscle. It i~ formed 

 by parts of the frontal, sphenoid, parietal, temporal, 

 and malar bones. F., Trochanteric. Same as /., 

 ital. F., Zygomatic, a cavity below and on the 

 inner side of the zygoma. 



Fosset, or Fossette \ fos-ct' \ [Fr.]. A dimple or small 

 depression. 



Fossilin ( fos'-il-in) [fossilis, dug up]. A trade-name 

 for a product resembling vaselin. 



Fossula ( fos'-su-la/i) [dim. of fossa, a ditch : //., Fos- 

 sulai]. I. In biology, a small fossa. 2. Any one of 

 the numerous slight depressions on the surface of the 

 cerebrum. F. olfactoriae, the olfactory depressions 

 of acraspede medus 



Fothergill's Disease, or Faceache. See Diseases, 

 Tabic of. F.'s Sore-throat, a synonym of the angi- 

 noid variety of scarlet fever [Scarlatina anjinosa). 



Foubert's Test. See Death. 



Foudroyancy {foo-droi'-an-se) [Fr. ]. The property of 

 being foudroyant. 



Foudroyant ( foo-Jroi'-ant) [Fr. ]. Sudden and over- 

 whelming : fulminant ; fulgurant. 



Foul [Ml . foul, foul]. Filthy: offensive; dis- 



gusting. F.-in-the-foot. See F.-r t. F.-rot. an 

 inflammatory disease of the hoofs of cattle ; it is at- 

 tended with suppuration. 



Foulage ( foo-lahzh' i [Fr. ,'• fulling, or pressing'*]. In 

 massage, a form of manipulation of the tissues. 

 Fulling. 



Foulbrood | fowF-brood . A contagious zymotii 

 ease of the honey-bee and its larva, due to the 

 presence of the Bacillu. 

 natic, 1 - 



Foullioy's Operation. 



Founder . to pour]. Laminitis 



of the hoi t. with the accompanying 



disorder- ^{ related parts. F.. Chest, founder in a 



horse, marked or accompanied by atri i] ihy i ■: the chest- 



iiiu- 



Foundling [Ger. , fun Jen, found]. An 



abandoned infant. 



Four(/Vr [MI .four]. Twi F.-drug 



Ointment. - F. Masters. 



Suture of the. - F. -tailed Bandage. See 



Bi I 



