| navicular fossa of urethra | The terminal dilated portion of the urethra in the glans penis. Synonym: fossa navicularis urethrae, fossa terminalis urethrae, Morgagni's fossa, Morgagni's fovea. (05 Mar 2000) |
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| external opening of urethra | The slitlike opening of the urethra in the glans penis, the external orifice of the urethra (in the female) in the vestibule, usually upon a slight elevation, the papilla urethrae. Synonym: ostium urethrae externum, external opening of urethra, meatus urinarius, orificium urethrae externum. (05 Mar 2000) |
| female urethra | A canal about 4 cm long passing from the bladder, in close relation with the anterior wall of the vagina and having a long axis that parallels that of the vagina, opening in the vestibule of the vagina posterior to the clitoris and anterior to the vaginal orifice. Synonym: urethra feminina, urethra muliebris. (05 Mar 2000) |
| urethra | <anatomy, urology> The tube that conveys urine from the bladder to the outside. In the female it measures 25.4 to 38.1 millimetres, in the male 25 centimetres. (27 Sep 1997) |
| urethra feminina | A canal about 4 cm long passing from the bladder, in close relation with the anterior wall of the vagina and having a long axis that parallels that of the vagina, opening in the vestibule of the vagina posterior to the clitoris and anterior to the vaginal orifice. Synonym: urethra feminina, urethra muliebris. (05 Mar 2000) |
| urethra masculina | A canal about 20 cm in length opening at the extremity of the glans penis; it gives passage to the spermatic fluid as well as the urine. Synonym: urethra masculina, urethra virilis. (05 Mar 2000) |
| urethra muliebris | A canal about 4 cm long passing from the bladder, in close relation with the anterior wall of the vagina and having a long axis that parallels that of the vagina, opening in the vestibule of the vagina posterior to the clitoris and anterior to the vaginal orifice. Synonym: urethra feminina, urethra muliebris. (05 Mar 2000) |
| urethra virilis | A canal about 20 cm in length opening at the extremity of the glans penis; it gives passage to the spermatic fluid as well as the urine. Synonym: urethra masculina, urethra virilis. (05 Mar 2000) |
| breast neoplasms, male | Any neoplasms of the male breast. These occur infrequently in males in developed countries, the incidence being about 1% of that in females. Two-thirds of patients present with intraductal carcinoma. The average age of onset is 60 years for men. Orchiectomy was the standard treatment but it has been replaced by tamoxifen as the initial therapy since oestrogen-receptor-positive tumours are predominant in males. Orchiectomy and mastectomy may be used if initial drug therapy is not successful. The prognosis is worse than that for females. (12 Dec 1998) |
| male | See Mal-. Evil; wicked; bad. Origin: L. Malus. See Malice. Same as Mail, a bag. 1. Of or pertaining to the sex that begets or procreates young, or (in a wider sense) to the sex that produces spermatozoa, by which the ova are fertilized; not female; as, male organs. 2. <botany> Capable of producing fertilization, but not of bearing fruit; said of stamens and antheridia, and of the plants, or parts of plants, which bear them. 3. Suitable to the male sex; characteristic or suggestive of a male; masculine; as, male courage. 4. Consisting of males; as, a male choir. 5. <mechanics> Adapted for entering another corresponding piece (the female piece) which is hollow and which it fits; as, a male gauge, for gauging the size or shape of a hole; a male screw, etc. <botany> Male berry, a screw having threads upon its exterior which enter the grooves upon the inside of a corresponding nut or female screw. Male thread, the thread of a male screw. Origin: F. Male, OF. Masle, mascle, fr. L. Masculus male, masculine, dim. Of mas a male; possibly akin to E. Man. Cf. Masculine, Marry. 1. An animal of the male sex. 2. <botany> A plant bearing only staminate flowers. Source: Websters Dictionary (01 Mar 1998) |
| male breast | One of the two, usually rudimentary, mammary glands in the male. Synonym: mamma masculina, mamma virilis. (05 Mar 2000) |
| male chromosome complement | The large majority of males have a 46, xy chromosome complement (46 chromosomes including an x and a y chromosome). A minority of males have other chromosome constitutions such as 47,xxy (47 chromosomes including two x chromosomes and a y chromosome) and 47,xyy (47 chromosomes including an x and two y chromosomes). (12 Dec 1998) |
| male gonad | <anatomy> One of the two male reproductive glands located in the cavity of the scrotum. The testes produce sperm and male sex hormones. (13 Nov 1997) |
| male hermaphroditism | More correctly designated as male pseudohermaphroditism, as the term is commonly used; however, it may designate an instance of true hermaphroditism in which overt bodily characteristics are predominantly male. (05 Mar 2000) |
| male homosexuality | Erotic predisposition, or activity, including sexual congress, between two men, past the age of puberty. (05 Mar 2000) |