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. Cunningham's Text-book of anatomy. Anatomy. THE PEOSTATE. 1301 The veins with which the cavernous spaces communicate, carry the blood, for the most part, either directly into the pudendal plexus, or into the dorsal vein and so to the pudendal plexus. The dorsal vein of the penis begins in tributaries from the glans and prepuce, and lies in the groove between the corpora cavernosa penis as it ascends to pass beneath the arcuate ligament of the pubis to join the pudendal plexus. On each side of it lies the dorsal artery, and still farther from the median plane lies the dorsal nerve (Fig. 1019)
. Cunningham's Text-book of anatomy. Anatomy. THE PEOSTATE. 1301 The veins with which the cavernous spaces communicate, carry the blood, for the most part, either directly into the pudendal plexus, or into the dorsal vein and so to the pudendal plexus. The dorsal vein of the penis begins in tributaries from the glans and prepuce, and lies in the groove between the corpora cavernosa penis as it ascends to pass beneath the arcuate ligament of the pubis to join the pudendal plexus. On each side of it lies the dorsal artery, and still farther from the median plane lies the dorsal nerve (Fig. 1019). The lymph-vessels of the penis are arranged in a deep and superficial series, and end in the medial glands of the inguinal group of lymph-glands. The nerve-supply of the penis is derived from the pudendal nerve and from the hypo- gastric and pelvic plexuses. The branches of the pudendal are the dorsal nerve of the penis, and branches from the perineal nerves. These supply the cutaneous structures of the penis, while the sympathetic filaments from the hypogastric and pelvic plexuses, which reach the penis through the prostatic nerve plexus, end in the erectile tissue. PKOSTATA. The prostata, or prostate, is a partly glandular, partly muscular organ of a dark brown-red colour which surrounds the beginning of the urethra in the male. It lies within the pelvis behind the pubes, and is enclosed by a dense sheath derived from the pelvic fascia. Through the various connexions of this sheath the prostate is firmly fixed within the pelvic cavity. The ejaculatory ducts traverse the prostate in their course downwards and forwards to join the urethra as it. Infero-lateral area of bladder Urethra Fig. 1021.—Urinary Bladder, Prostate, and Seminal Vesicles viewed from the Siee. Drawn from specimens hardened in situ. descends through the gland (Fig. 1023). The size of the prostate varies con- siderably in different individuals, but its transverse, or longest, diameter is usually from one a
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanatomy, bookyear1914