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...e male births. Development of the genital tubercle, the precursor of the {{penis}} and clitoris, is regulated by the urethral plate epithelium, an endoderma ...are: (1) The corpus cavernosum in males and females extends into the glans penis and clitoris, respectively, during the ambisexual stage (9 weeks) and thus

Hypospadias are the most common penis abnormality (1 in 300) and result from a failure of male urogenital folds t Ultrasonography in rendering mode, at {{GA}} 33 weeks, with short penis and with evidence of testicles inside a bifid scrotum.

...y male. The ostium urogenitale is situated about midway on the body of the penis and persists only as a narrow cleft in front of the closed inner genital fo

| G6: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends). | G7: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends).

...urogenital sinus and the rectum to the perinaeum, i1.e., the halves of the penis are united by the ingrowth of what would be the urethral floor whilst the c ...in development. He did not, however, suggest any explanation as to why the penis or clitoris is situated caudal to the site of rupture.

Penis of a species of Testudo Within the cloaca and exposed by ...y slight eversion of the cloacal margins reveals the free extremity of the penis in the male. In the female the Whole structure is considerably reduced.

| G6: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends). | G7: Penile urethra, emerging inferiorly to the glans penis. Scrotal swellings (appear before testis descends).

..._Manual_of_Human_Embryology_19-4|Sexual Differentiation Development of the Penis and Scrotum]]

IV. The penis

...rY}} chromosome | {{testis}} | {{spermatozoa}} | {{meiosis}} | {{AMH}} | {{penis}} | {{prostate}} | {{seminal vesicle}} | {{genital abnormalities}} | {{hypo {{Penis}}

...a sheath, a scabbard (L. ''gladius '' = sword was a common Roman term for penis); cf. evagination, invagination.

...a}} | {{testis}} | {{epididymis}} | {{ductus deferens}} | {{prostate}} | {{penis}} | [[:Category:Male|Category:Male]]

==Evolution of the Penis== ...e cloacal passage is seen in oviparous mammals ; in viviparous mammals the penis is evolved as an intromittent organ, and the urogenital passage is separate

...time, the scrotal swellings have migrated caudally towards the root of the penis and becoming approximated to each other, form the scrotum. The prepuce deve ...ectodermal part formed by canalization of an epithelial cord in the glans penis.

'''penis '''L. = a tail. ...= prepuce or covering of glans penis (? from G. ''pro '' + ''posthe '' = penis; or ? L. ''puteo '' = I stink, from smell of smegma, q.v.; thus uncleanlin

...a}} | {{testis}} | {{epididymis}} | {{ductus deferens}} | {{prostate}} | {{penis}} | [[:Category:Male|Category:Male]] ...side of the penis. In the genital tubercle, the embryonic precursor of the penis and clitoris, Fgfr2 is expressed in two epithelial populations: the endoder

...emple; pre-Vesalian use: ''thalami cordis '' = heart chambers; ''thalami penis '' = cavernous spaces; nuclear mass in lateral wall of 3rd ventricle.

# In males, the genital tubercle will eventually form the penis and the genital swellings migrate caudally and a fusion event in the midlin # As the genital tubercle elongates to form the penis, a groove forms on the ventral surface known as the urethral groove. The ur

...lmost a continuation of the spinal column. As can be seen from Fig. 1, the penis was turned a little to the right. The left hand was singularly foot-like in

...tum ; ug. urinogenital sinus ; cp. elevation which becomes the clitoris or penis ; Is. ridge from which the labia majora or scrotum are developed. ...ng of the urinogenital cloaca, and the prominence itself gives rise to the penis, along which the common urinogenital passage is continued. The two genital

...child was circumcised. When Gertler saw the patient, the umbilicus and the penis presented the characteristic diphtheritic deposits. Both lesions trouble had started first in the umbilicus or on the penis. The illness had lasted

...at it was the prepuce that eventually grew over a previously exposed glans penis, a theory that was more widely supported <ref name=PMID17104576><pubmed>171 ...he deformities; some procedures involve grafting in the lengthening of the penis, plaque removal and prosthesis implantation in erectile dysfunction <ref><p

...ly outwards through the ascending ramus of the pubis and corpus cavernosum penis, the obturator membrane, and the sacro-sciatic ligament.

...nis; L, labia majora; N, labia minora (nymphae); O, urogenital orifice; P, penis; Pr, prepuce; Proc, proctodaeum; R, raphe; S, genital swelling; Sc, scrotum ...fusion in the urogenital sinus region and along the caudal surface of the penis is clearly marked by the persistence of a ridge-like thickening known as th

.... G. ''helix '' = coil, snail; e.g, helicine arteries of ovarian medulla, penis, etc.

...e intestine and urogenital sinus ; cp, elevation which becomes clitoris or penis ; Is, ridge from which the labia majora or scrotum are formed. ...or clitoris ; to the right of these letters in A, the umbilical cord ; p, penis ; c, clitoris ; cl, cloaca ; \({f, urogenital opening ; «, anus ; I s, cut

The penis was well developed and normal to naked eye inspection, the prostatic swelli

...orming the urethral plate, while the part corresponding to the rest of the penis remains hollow, and by destruction of the urogenital membrane breaks throug ...ished by {{Professor R. Meyer}}, Berlin.) The phallus has become the glans penis, the scrotal swellings are fully developed and the unpaired scrotal area is

Hypertrophy of the penis and testes, with growth of pubic hair and precocious sexual instinct, have

...not easily reflected from it and was somewhat twisted round the end of the penis, though not to such an extent as to cause any obstruction to the outflow of

* except plans penis and labia minora

...e heart and of the blood-vessels near the urethra (causing erection of the penis), to tighten the ciliary muscle and the sphincter of the iris, to slacken t

...sides and base of the gland; they receive in front the dorsal vein of the penis, and end in the hypogastric veins. The nerves are derived from the pelvic p ...h the {{prostate}} gland at the beginning of the internal portion of the {{penis}}. Prior to ejaculation these small paired tubuloalveolar glands produce a

...inent tubercle — the genital tubercle, the apex of which becomes the glans penis or glans clitoris, according to sex. It is bounded by lateral folds, the ge ...he closure of the uro-genital lips to form the floor of the urethra in the penis may be arrested at any stage, giving rise to the condition of hypospadias,

...infra-umbilical part of the linea alba, symphysis pubis, the septum of the penis, and of the scrotum and perineal raphe. The ventral line is continued forwa

The genital eminence becomes the penis or the clitoris^ penis or of the glans clitoridis, as the case may be. Further

...ymis; HM, hydatid of Morgagni; K, kidney; MD, Mullerian duct; O, ovary; P, penis; Po, paroophron; Pr, prostate gland; R, rectum; T, testis; U, urethra; UM, ...he same time brought closer together, so as to lie between the base of the penis and the perineal body and, eventually, they form the scrotum. The mesenchym

...e male births. Development of the genital tubercle, the precursor of the {{penis}} and clitoris, is regulated by the urethral plate epithelium, an endoderma ...are: (1) The corpus cavernosum in males and females extends into the glans penis and clitoris, respectively, during the ambisexual stage (9 weeks) and thus

...kidney ; oe, oesophagus ; p, pancreas ; pi, pleural coelomic cavity ; pn, penis ; pr, pericardial coelomic cavity ; r, rectum ; sc, spinal cord ; stn, ster

...fore-skin remain connected by the frenulum prepucu. The coropora cavernosa penis arise as paired mesenchymal columns. The corpus cavernosuni urethra: result Penis.

...and scrotum are located in the perineum, whereas in the transposition the penis lies above the scrotum."

..._Manual_of_Human_Embryology_19-4|Sexual Differentiation Development of the Penis and Scrotum]]

...he section passes in front of the prostate, dividing the corpora cavernosa penis near their origins, and the urethra at the bulb. The corpus cavernosum, art

...ms are introduced into the cloaca of the female by the copulatory organ or penis of the male. In this way, the amniotes are independent of water for fertili

...tch of the digestive tract and longitudinal and transverse sections of the penis. (QIII, 3v.)

...end to the subcutaneous tissues in the groin, the scrotum, the root of the penis, and on the pubis. ...septum which extends between the median raphe and the under surface of the penis, as far as its root, and divides the scrotum into two cavities for the test

** Urethra and Penis.

...in some of the lower anima1s—the reptilia and crocodilia for instance—the penis was either double or bifid; and it seemed to him as very probable that it w

...s migrate from their primitive lateral position to a new one caudal to the penis, forming the scrotum. ...ngs shift slightly, so that their greatest tumidity now lies caudal to the penis instead of lateral to it, as heretofore.

...causes the splitting of both male and female genitalia (specifically, the penis and clitoris respectively), and the anus is occasionally sealed.