Comprehensive Physiology Wiley Online Library

Circulation to Male Reproductive Organs

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Abstract

The sections in this article are:

1 Penile Circulation
1.1 Vascular Anatomy
1.2 Pharmacology of Erection
1.3 Vascular Nerves
1.4 Erection Process
2 Testicular Circulation
2.1 Vascular Anatomy
2.2 Vascular Nerves
2.3 Hormones and Drugs
2.4 Effect of Temperature on Testicular Blood Flow
3 Summary
Figure 1. Figure 1.

Vascular anatomy of the bull penis. A, ischiocavernosum muscle; B, bulbospongiosum muscle; C, urethralis muscle; D, crus penis; E, penis; F, internal pudendal artery; G, artery of the urethral bulb; H, dorsal artery of the penis; I, urethral bulb; J, deep artery of the penis; K, ischium; L, obdurator foramen.

Figure 2. Figure 2.

Vascular anatomy of the stallion penis. A, ischiocavernosum muscle; B, bulbospongiosum muscle; C, obturatory artery; D, obturatory foramen; E, penis; F, external pudendal artery; G, ischium; H, deep arteries of the penis.

Figure 3. Figure 3.

Vascular patterns in the ram crus penis area during erection. Arrow 1, approximate origin of ischiocavernosum muscle; arrow 2, artery of the penis; arrow 3, corpus spongiosum; arrow 4, note lack of filling of corpus cavernosum penis. Radiographs AB: ⅓ s; BC, CD, DE: 1 s; EF: 2 s apart.

From Beckett et al.
Figure 4. Figure 4.

Corpus cavernosum penis (CCP) pressure and electromyographic (EMG) activity of bulbospongiosus (BS) and ischiocavernosus (IC) muscles in the bull during coitus.

Figure 5. Figure 5.

Effect of lidocaine infiltration of ischiocavernosus muscles on corpus cavernosum penis pressure and electromyographic (EMG) activity of bulbospongiosus (BS) and ischiocavernosus (IC) muscles in the bull.

Figure 6. Figure 6.

Corpus cavernosum penis pressure and electromyographic (EMG) activity of bulbospongiosus (BS) and ischiocavernosus (IC) muscles in the stallion during coitus.

From Beckett et al.
Figure 7. Figure 7.

Corpus spongiosum (CS) penis pressure and electromyographic (EMG) activity of bulbospongiosus (BS) and ischiocavernosus (IC) muscles in the stallion during coitus.

From Beckett et al.


Figure 1.

Vascular anatomy of the bull penis. A, ischiocavernosum muscle; B, bulbospongiosum muscle; C, urethralis muscle; D, crus penis; E, penis; F, internal pudendal artery; G, artery of the urethral bulb; H, dorsal artery of the penis; I, urethral bulb; J, deep artery of the penis; K, ischium; L, obdurator foramen.



Figure 2.

Vascular anatomy of the stallion penis. A, ischiocavernosum muscle; B, bulbospongiosum muscle; C, obturatory artery; D, obturatory foramen; E, penis; F, external pudendal artery; G, ischium; H, deep arteries of the penis.



Figure 3.

Vascular patterns in the ram crus penis area during erection. Arrow 1, approximate origin of ischiocavernosum muscle; arrow 2, artery of the penis; arrow 3, corpus spongiosum; arrow 4, note lack of filling of corpus cavernosum penis. Radiographs AB: ⅓ s; BC, CD, DE: 1 s; EF: 2 s apart.

From Beckett et al.


Figure 4.

Corpus cavernosum penis (CCP) pressure and electromyographic (EMG) activity of bulbospongiosus (BS) and ischiocavernosus (IC) muscles in the bull during coitus.



Figure 5.

Effect of lidocaine infiltration of ischiocavernosus muscles on corpus cavernosum penis pressure and electromyographic (EMG) activity of bulbospongiosus (BS) and ischiocavernosus (IC) muscles in the bull.



Figure 6.

Corpus cavernosum penis pressure and electromyographic (EMG) activity of bulbospongiosus (BS) and ischiocavernosus (IC) muscles in the stallion during coitus.

From Beckett et al.


Figure 7.

Corpus spongiosum (CS) penis pressure and electromyographic (EMG) activity of bulbospongiosus (BS) and ischiocavernosus (IC) muscles in the stallion during coitus.

From Beckett et al.
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How to Cite

Sidney D. Beckett. Circulation to Male Reproductive Organs. Compr Physiol 2011, Supplement 8: Handbook of Physiology, The Cardiovascular System, Peripheral Circulation and Organ Blood Flow: 271-283. First published in print 1983. doi: 10.1002/cphy.cp020309