PREPELYISTERNAL 



1177 



PRESENTATION 



Prepu 



men, 

 lave 



pelvisternal (pre-pel-vis-ter'-nal) [prar, before; 

 . pelvis; oripvov, sternum]. Pertaining to the 

 prepelvisternum. 



Prepelvisternum (pre-pel-i'is-ter 1 '-mint) [pro*, before ; 

 .pelvis; oripvov, sternum]. An anterior pelvi- 

 sternum. 



Preperforatus (pre-per-for-a' -tus) [prar, before; per/or- 

 perforate]. The anterior perforated space. 



Prephthisis, Praephthisis (pre-ti f -sis, pre-te'-sis) [prar, 

 before; ofliotc, phthisis]. The pretuberculous state. 

 The predisposition to tuberculosis, 

 ipigmental (pre-pig-men'-tal) [prar, before; pig- 

 ntum, a pigment]. Situated within the pigmented 

 yer of the eye. 



Prepituitary ( pre-pit-u'-it-a-re) [pra, before; pituita, 

 phlegm]. Situated in front of the pituitary body. 



Preplacental pre-plas-en'-tal) [prar, before; rr'/ciKovc, 

 placenta, placenta]. Previous to the formation of the 

 placenta. 



Prepollex (pre-poU -eks) [pro;, before; pollex, the 

 thumb : gen. , Prepellicisrpl. , Prepollices\ In biology, 

 the radial sesamoid bone of such mammals as have 

 five complete digits. Occasionally, as in Pedetes caffer, 

 the so-called prepollex consists of two bones, of which 

 the distal one bears a distinct nail-like horny covering. 

 Cf. Prehallux, Post minimus. 



Prepontile (pre-pon' -til ) [pm, before ; pons, abridge]. 

 Situated in front of the pons varolii. 



Prepotency { pre-po / -ten-se) [pm, before; posse, to be 

 powerful], in biology, dominant " force of heredity." 

 The power that one parent may have of impressing 

 his or her own character upon the offspring, the pecu- 

 liar characters of the other parent being less obviously 

 transmitted. P., Individual, aphenomenon, recognized 

 by breeders of plants and animals, in which it seems 

 that a marked tendency occasionally exists in certain 

 individuals to transmit their special, individual charac- 

 ters to the majority of the offspring. Among plants, 

 \ilmorin distinguishes as " dons etalons" individuals 

 that possess the capacity of transmitting their own 

 characters to their offspring in a great degree. One of 

 the best known examples among animals is that of 

 the " otter sheep. " P., Racial, a particularly marked 

 power of transmission in a given race in contrast to 

 other races ; this power is more marked in the pouter 

 pigeon than in the fantail, so that when these two 

 races are crossed, the characters of the pouter pre- 

 dominate in the offspring. 



Prepubic (pre-pu' -bik) [pro:, before; pubis, pubis]. 

 In biology, placed in front or in the fore part of the 

 pubis. 



Prepubis { pre-pu' -bis) [prar, before; pubis, pubis: pi., 

 Prepubes\ In biology, the pubis of a bird ; the pre- 

 acetabular part of the pubic bone. 



Prepuce (pre' -pus) [prarputium, prepuce]. The fore- 

 skin of the penis. It is lined with mucosa. P. of 

 the Clitoris, the superior folds of the nymphse sur- 

 rounding the glans clitoris. 



Preputial ( pre-pu' '-she-al ) [ prarputium, prepuce] . Per- 

 taining to the prepuce. 



Preputium ( pre-pu' -she-um). See Prepuce. 



Prepyloric ( pre-pi-lor'-ik) [pro?, before ; pylorus, the 

 distal orifice of the stomach]. Placed in front of the 

 pyloru-. 



"tpyramid (pre-per' '-ant-id ') [pro;, before ; pyramis, 

 pyramid]. One of the anterior (ventral) pyramids 

 ot the oblongata. 



Preramus ( pre-ra'-mus) [prar, before; ramus, branch] . 

 The vertical (anterior or cephalic) branch of the stem 

 of the arbor of the cerebellum. 



Prerectal ^erek'-tal) [prar, before; rectum, rec- 

 tum]. Situated in front of the rectum. 



Prerenal ( pre-re' -nal) [prar, before; ren, kidney]. 

 Situated in front of the kidney. 



Preretina (pre-ret'-in-ah) [ prar, before ; retina, retina]. 

 The thin lamina which represents the retina on that 

 part of the inner surface of the chamber of the eye 

 which lies anterior to the ora. 



Preretinal (pre-rel'-in-al) [pr&, before; retina, ret- 

 ina]. Pertaining to the preretina. 



Prerima {pre- ri'-mah) [prar, before; rinta, a fissure]. 

 An extension of the rirna cephalad from the porta, as 

 in certain fishes. 



Prerimal ( pre-ri' -mal) [pro; before; rinta, cleft]. 

 Pertaining to the prerima. 



Presacral (pre-sa'-kral) [prar, before; sacrum, sa- 

 crum]. Situated in front of the sacrum. 



Presbyacoustic (prez -be-ak- oo / - stik ) [~pio3vc, old ; 

 anoisiv, to hear]. Pertaining to the loss of acoustic 

 acuity in old age, half an octave in range being lost 

 from the maximum to the beginning of old age, the 

 loss continuing during the period of old age. 



Presbycusis, Presbykousis (prez-be-koo'-sis) [-pea3vc, 

 old; anoveiv, to hear]. The lessening of the acute- 

 ness of hearing that occurs in old age. 



Presbyonosus (prez-be-on' -o-sus) [~pec3vc, old; v6aoc, 

 disease]. Any disease peculiar to old age. 



Presbyope (prez'-be-op) [7rpio3vg, old ; tin/', eye]. One 

 who is presbyopic. 



Presbyophrenia (prez-be-o-fren'-e-ah) [~pio3vc, old; 

 ppr'/i-, mind]. Senile dementia. 



Presbyopia (prez- be-o* -pe-ah) [-pko3vc, old: 

 eye]. "Old sight"; the condition reached at about 

 45-50 years of age, in which from growing inelasticity 

 of the crystalline lens of the eye (failure of accommo- 

 dation) the near- point of distinct vision is removed to 

 an inconvenient distance from the eye, with conse- 

 quent diminution in size of the retinal image. 



Presbyopic (prez-be-op'-ik) [i:pio3vc, old ; o>rb, eye]. 

 Affected with presbyopia. 



Presbyopy (prez' -be-o-pe). Same as Presbyopia. 



Presbyosphacelus (prez -be-o- sfas'- el- us) [-pic(3vs, 

 old ; ooane'/.oc, gangrene]. Senile gangrene. 



Presbytia (prez-bish' '-e-ah). Synonym of Presbyopia. 



Prescapula (pre-skap f -u-lah) [ prar, before ; scapula, 

 scapula]. The part of the scapula anterior or ceph- 

 alad to its spine or median axis. 



Prescapular (pre-skap / -u-lar) [prar, before; scapula, 

 shoulder-blade]. I. Situated in front of the scapula. 

 2. Pertaining to the prescapula. 



Prescapularis (pre-skap-u-la'-ris) [prar, before; scap- 

 ula, scapula] . The supraspinatus muscle. 



Prescription (pre-skrip' -shun) [pr&, before ; scribere, 

 to write]. A formula written by the physician to the 

 dispenser of medicines, designadng the substances to 

 be employed in a mixture or preparation. P. -blank, 

 a square or rectangular slip of paper, usually bearing the 

 physician's name, residence, and office hours, and the 

 symbol R , and upon which the prescription is written. 

 P. -book, a book in which prescripdons are pasted for 

 future reference. P. -file, a contrivance for holding 

 prescriptions. P. -glass : (1), a graduated glass ves- 

 sel for administering medicines ; (2), a spectacle glass 

 made according to an oculist's prescription. 



Prescutal ( pre-sku'-tal) [prar, before; scutum, a 

 shield]. Pertaining to the prescutum. 



Prescutum, Praescutum. See Pro-scutum. 



Presemilunar { pre-sem-il-u'-nar) [prar, before ; semi- 

 lunar]. Anterior to the semilunar lobe of the cere- 

 bellum, as the presemilunar lobe. 



Preseminal (pre- sent'- in- al) [prar., before; semen, 

 seed]. Prior to insemination. 



Presentation ( pre-zen-ta' '-shun) [ pr&sentare, to place 

 before]. In obstetrics, that part of the fetal body 





