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Related Concept Videos

Penis01:29

Penis

The penis serves a dual role in sexual reproduction and urination. It consists of three main regions: the glans penis, the body, and the root, each with distinct functions and unique anatomical features.
Anatomy of the Penis
The glans penis, or the head, is the terminal part of the penis and houses the external urethral orifice, the exit point for urine and semen. Covered by the prepuce, or foreskin, the glans is noted for its sensitivity and plays a key role in sexual pleasure. The body of the...
Male Sexual Response: Erection & Ejaculation01:17

Male Sexual Response: Erection & Ejaculation

Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors01:28

Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors

Phosphodiesterase 5 (PDE5) inhibitors are potent enzymes that function to hydrolyze cyclic nucleotides to their corresponding 5' monophosphates. Their unique biochemical properties have been applied in treating Pulmonary Arterial Hypertension (PAH).
Among the PDE5 inhibitors, sildenafil (Revatio) stands out as a competitive and selective inhibitor. It operates by elevating cellular levels of cGMP and augmenting signaling through the cGMP-PKG pathway, promoting vasodilation. Upon oral...
Psychosexual Stages of Personality: Phallic01:12

Psychosexual Stages of Personality: Phallic

The third stage of psychosexual development proposed by Freud is the phallic stage, occurring between the ages of 3 and 6. During this period, children become aware of their bodies and the differences between males and females. The erogenous zone in this stage is the genitals, and conflicts arise as children develop desires toward the opposite-sex parent. Boys experience the Oedipus complex, where they desire their mother and view their father as a rival. This leads to castration anxiety, the...
Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists01:23

Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists

Prostacyclin receptor agonists are a class of therapeutic agents integral to managing pulmonary arterial hypertension (PAH). These drugs operate by mimicking the action of prostaglandin I2, or PGI2, a naturally occurring compound in the body.
These agonists bind to the IPR receptor situated on the plasma membrane of the pulmonary artery smooth muscle cells. This binding triggers a cascade of reactions known as the GS-AC-cAMP-PKA pathway. This pathway results in the relaxation of smooth muscle...
Psychosexual Stages of Personality: Genital01:23

Psychosexual Stages of Personality: Genital

The genital stage is the final phase of Sigmund Freud's theory of psychosexual development, beginning at puberty, around age 12. During this stage, sexual energy shifts from self-focused interests to external individuals, marking the development of mature adult sexuality. Freud saw this phase as a time of sexual reawakening, with desires directed toward others outside the family. A healthy transition into this stage, according to Freud, signifies the emergence of two key aspects of adult...

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Related Experiment Video

Updated: May 10, 2026

Microscopic Electric Rotary Grinding of Plaques Combined with Graft Repair in the Management of Peyronie's Disease
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[Priapisms].

S Droupy1, F Giuliano

  • 1Service d'urologie andrologie, université Montpellier 1, CHU Carémeau, place du Pr-Robert-Debré, 30029 Nîmes cedex 9, France. Ele stephane.droupy@chu-nimes.fr

Progres En Urologie : Journal De L'Association Francaise D'Urologie Et De La Societe Francaise D'Urologie
|July 9, 2013
PubMed
Summary
This summary is machine-generated.

Priapism, a condition requiring urgent care, necessitates prompt diagnosis and treatment to prevent permanent erectile dysfunction. Management strategies vary for ischemic, non-ischemic, and stuttering priapism to ensure optimal outcomes.

Keywords:
DrépanocytoseDysfonction érectileErectile dysfunctionImplants péniensPenile prosthesisPriapismPriapismeSickle cell disease

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Area of Science:

  • Urology
  • Andrology
  • Emergency Medicine

Context:

  • Priapism is a rare but serious condition.
  • Requires immediate medical attention to prevent complications.
  • Literature review and expert opinion guide management.

Purpose:

  • To review literature on ischemic, non-ischemic, and stuttering priapism.
  • To provide evidence-based management recommendations.
  • To establish clear diagnostic and treatment pathways.

Summary:

  • Ischemic priapism requires urgent intervention (aspiration, injection, shunt surgery) to avoid erectile dysfunction.
  • Non-ischemic priapism may need embolization for arteriocavernosal fistula.
  • Stuttering priapism management focuses on systemic treatments and emergency care for acute episodes.

Impact:

  • Timely diagnosis and sequential management are crucial.
  • Prevents treatment delays and irreversible complications.
  • Aims to preserve erectile function in patients with priapism.