. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. Penis of the Tortoise. (After ;) E, bulb ; L, corpus cavernosum ; H, urethral groove; K, its termination near the centre of the glans; i, glans penis; 55', retractor muscle. mation of its edges will convert it into a complete canal. This penis is composed of two corpora cavernosa, the fibrous walls of which are blended together throughout some part of their extent. They commence by two vascular enlargements, analagous to the bulb of the urethra in the penis of mammalia. The erectile tissue is prolonged from
. The cyclopædia of anatomy and physiology. Anatomy; Physiology; Zoology. Penis of the Tortoise. (After ;) E, bulb ; L, corpus cavernosum ; H, urethral groove; K, its termination near the centre of the glans; i, glans penis; 55', retractor muscle. mation of its edges will convert it into a complete canal. This penis is composed of two corpora cavernosa, the fibrous walls of which are blended together throughout some part of their extent. They commence by two vascular enlargements, analagous to the bulb of the urethra in the penis of mammalia. The erectile tissue is prolonged from this bulb (fg. 23G), Fig. Male Organs of Generation of the Tortoise. (After Sojanus.^ a, the rectum; c, convolutions of epididymus terminating in the vas deferens; x, which likewise indicates the point where the urethra enters the cloaca ; o, P, the kidney; y, the testes ; E, the bulb of the urethra ; K, cavernous portion ; M, the urinary bladder; Q, the left supernumerary lateral bladder; /, r, r', s, x, z, blood-vessels; 55, retractor muscle of the penis. along two canals, the walls of which are fibrous, and at first very thin ; but they soon increase in thickness considerably, their cavity becoming diminished in the same proportion. All the enlargement that constitutes glans is composed of this vascular tissue, prolonged from the cavernous body, which is covered by a loose and wrinkled skin, and, moreover, sup- ported by a prolongation of the fibrous wall of the corpus caveniosum, which is continued to its point. The skin which lines the urethral groove has also a layer of this erectile tissue placed beneath it ; hut this is equally a prolongation from the erectile tissue contained in the ca- vernous body. There is on each side of the dorsal groove. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original T
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