. The American journal of anatomy. teral Surface).—The Prccentral Fis-sural Complex.—The supercentral is 4 cm. in length, and unusiially simple,running parallel with the central. From its middle springs the super-frontal. Ventro-cephalad of the supercentral and separated from it—liesa segment which partakes of the values of a medifrontal and a precentralpiece, and corresponds to what Schtifer (Quain) describes as an anteriorramus of the inferior precentral. This piece is peculiar in that it is notconfliient Avith the precentral, but anastomoses across the precentral gyreto join the central fis
. The American journal of anatomy. teral Surface).—The Prccentral Fis-sural Complex.—The supercentral is 4 cm. in length, and unusiially simple,running parallel with the central. From its middle springs the super-frontal. Ventro-cephalad of the supercentral and separated from it—liesa segment which partakes of the values of a medifrontal and a precentralpiece, and corresponds to what Schtifer (Quain) describes as an anteriorramus of the inferior precentral. This piece is peculiar in that it is notconfliient Avith the precentral, but anastomoses across the precentral gyreto join the central fissure over a vadum. The third segment is the pre-central proper, cm. long, from which springs the subfrontal. The diagonal fissure in this case presents a curious appearance. Thefissure is exceedingly deep and opens freely into the sylvian fovea. Itcompletely divides the* subfrontal gyre, being deeply confluent with thesubfrontal fissure dorsally. Hoth walls of the fissiire are again marked b3smaller fissures and Fig. 15. Brain of Avia ; dorsal view.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectanatomy, bookyear1901
