| EB | elective abortion; electron beam; elementary body; emotional behavior; endometrial biopsy; epidermol... |
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| TB | Taussig-Bind [syndrome]; terabyte; term birth; terminal bronchiole; terminal bronchus; thromboxane B... |
| TBC | thyroxine-binding coagulin; total body calcium; total body clearance; tuberculosis |
| TBW | total body water; total body weight |
| WBS | Wechsler-Bellevue Scale; whole-blood serum; whole-body scan; Wiedemann-Beckwith syndrome; withdrawal... |
| vein of bulb of penis | A tributary of the internal pudendal vein that drains the bulb of the penis. Synonym: vena bulbi penis. (05 Mar 2000) |
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| vena bulbi penis | A tributary of the internal pudendal vein that drains the bulb of the penis. Synonym: vena bulbi penis. (05 Mar 2000) |
| vena dorsalis penis profunda | A vein on the dorsum of the penis deep to the fascia of the penis; it is a tributary to the prostatic venous plexus. Synonym: vena dorsalis penis profunda. (05 Mar 2000) |
| venae cavernosae penis | The cavernous venous spaces in the erectile tissue of the penis. Synonym: venae cavernosae penis. (05 Mar 2000) |
| venae dorsales penis superficiales | A pair of veins on the dorsum of the penis superficial to the fascia penis; they are tributaries of the external pudendal veins on each side. Synonym: venae dorsales penis superficiales. (05 Mar 2000) |
| raphe penis | The continuation of the raphe of the scrotum onto the underside of the penis. Synonym: raphe penis. (05 Mar 2000) |
| vena profunda penis | The vein deep to the deep fascia on the dorsum of the penis. It enters the prostatic plexus by passing through a gap between the arcuate pubic ligament and the transverse perineal ligament. Synonym: vena profunda penis. (05 Mar 2000) |
| glans penis | The conical expansion of the corpus spongiosum which forms the head of the penis. Synonym: balanus. (05 Mar 2000) |
| median raphe cyst of the penis | A cyst of the raphe penis resulting from incomplete closure of the urethral groove, becoming clinically evident in childhood or later. (05 Mar 2000) |
| penis | <anatomy> The male organ of copulation and of urinary excretion, comprising a root, body and extremity or glans penis. The root is attached to the descending portions of the pubic bone by the crura, the latter being the extremities of the corpora cavernosa and beneath them the corpus spongiosum, through which the urethra passes. The glans is covered with mucous membrane and ensheathed by the prepuce or foreskin. The penis is homologous with the clitoris in the female. (18 Nov 1997) |
| penis bone | A bone of variable size and shape, located in the glans penis or glans clitoridis of all animals, except man, ungulates, elephants, whales, and a few others; it is particularly well developed in carnivora, and in the dog may reach a length of more than 10 cm; its size and shape are often a characteristic of a species. Synonym: baculum, penis bone. (05 Mar 2000) |
| penis envy | The psychoanalytic concept in which a female envies male characteristics or capabilities, especially the possession of a penis. (05 Mar 2000) |
| penis, erection of the | When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa, which run the length of the organ, are filled with spongy tissue, and surrounded by a membrane, called the tunica albuginea. The spongy tissue contains smooth muscles, fibrous tissues, spaces, veins, and arteries. The urethra, which is the channel for urine and ejaculate, runs along the underside of the corpora cavernosa. Erection begins with sensory and mental stimulation. Impulses from the brain and local nerves cause the muscles of the corpora cavernosa to relax, allowing blood to flow in and fill the open spaces. The blood creates pressure in the corpora cavernosa, making the penis expand. The tunica albuginea helps to trap the blood in the corpora cavernosa, thereby sustaining erection. Erection is reversed when muscles in the penis contract, stopping the inflow of blood and opening outflow channels. (12 Dec 1998) |
| penis femineus | An obsolete term for clitoris. (05 Mar 2000) |
| penis lunatus | 1. Painful erection of the penis in gonorrhoea or Peyronie's disease, with curvature resulting from lack of distensibility of the corpus cavernosum urethrae. Synonym: gryposis penis, penis lunatus. 2. Ventral curvature of the penis, most apparent on erection, as seen in hypospadias due to congenital shortness of the ventral skin and, on rare occasions, in patients with a normally situated meatus. Origin: Fr. Corded (05 Mar 2000) |