File:On the anatomy of vertebrates (electronic resource) (1866) (14564339428).jpg

Identifier: b20416039_003 (find matches)
Title: On the anatomy of vertebrates (electronic resource)
Year: 1866 (1860s)
Authors: Owen, Richard, 1804-1892
Subjects: Anatomy, Comparative Vertebrates Fishes Reptiles Mammals Birds
Publisher: London : Longmans, Green
Contributing Library: Wellcome Library
Digitizing Sponsor: Wellcome Library

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vas deferens than else-where. The narrow portion is straight, and is commonly calledthe duct. The vesicular glands are found to contain a glairymucus, deepening to a brownish colour soon after death, andcontaining stray spermatozoa. The prostate, figs. 531, 533, p,is a more compact glandular body surrounding the neck of thebladder and beginning of the urethra, deriving its name fromits position in front of the vesicular glands. It is surroundedby a dense fascia, which adheres firmly to the glandular sub-stance. This is of a lightish brown colour, and very firm texture.It forms two lateral lobes, of an ovoid shape, between whichis a small middle lobe. It is composed of minute canals withblind follicular beginnings, which unite together to form ducts,opening in an oblique manner on the prostatic portion of theurethra. Their orifices are situated around the most elevatedportion of the verumontanum, in the form of a crescent, fig.532, e. The depression, or sinus, in front of this valvular
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A posterior view of the human bladderand prostate : the spermducts and ve-siculas are reflected downward; halfnatural size, xxviii. MALE ORGANS OF BIMANA. 675 532

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