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Deep neurovascular bundles, which often include arteries, have a more complicated structure than superficial neurovascular bundles. Since arteries have high intraluminal blood pressure relative to capillaries and veins, these bundles have smooth muscle and connective tissue structures outside the endothelium. This structure allows arteries to ...
They are distributed to the prostate seminal vesicle and the corpora cavernosa of the penis and urethra. The nerves supplying the corpora cavernosa consist of two sets, the lesser and greater cavernous nerves , which arise from the forepart of the prostatic plexus, and, after joining with branches from the pudendal nerve , pass forward beneath ...
The pudendal nerve is the main nerve of the perineum. [1]: 274 It is a mixed (motor and sensory) nerve and also conveys sympathetic autonomic fibers.It carries sensation from the external genitalia of both sexes and the skin around the anus and perineum, as well as the motor supply to various pelvic muscles, including the male or female external urethral sphincter and the external anal sphincter.
In people with unilateral pudendal entrapment in the pudendal canal, it is typical to see asymmetric swelling and hyperintensity affecting the pudendal neurovascular bundle. [53] The appearance on MRI may also be normal in pudendal neuralgia. [9] High-frequency ultrasonography may help to locate the site of compression. On the ultrasound ...
The prostate is the only male accessory gland that occurs in cetaceans, [68] consisting of diffuse urethral glands [69] surrounded by a very powerful compressor muscle. [70] The prostate gland originates with tissues in the urethral wall.
A nerve is an enclosed, cable-like bundle of nerve fibers (called axons) in the peripheral nervous system. Nerves have historically been considered the basic units of the peripheral nervous system. Nerves have historically been considered the basic units of the peripheral nervous system.
Diagram showing the position of the prostate and rectum. Date: 30 July 2014 (released by CRUK) Source: Original email from CRUK: Author: Cancer Research UK: Permission (Reusing this file) This image has been released as part of an open knowledge project by Cancer Research UK. If re-used, attribute to Cancer Research UK / Wikimedia Commons
The neurovascular bundle has a strict order of vein-artery-nerve (VAN), from top to bottom. [2] This neurovascular bundle runs high in the intercostal space, and the smaller collateral neurovascular bundle runs just superior to the lower rib of the space (in the order NAV from superior to inferior).