Search results
Results from the WOW.Com Content Network
The slide is placed under a compound light microscope for sperm observation. If sperm are present, the heads will stain red and the mid-piece and tail stain green. [8] However, not all males release sperm in their semen. If a male is aspermic or oligospermic, they either have no sperm or a low sperm count. [10]
At the summit of the glans is the slit-like vertical external urethral orifice, called the urinary meatus, through which urine, semen and pre-ejaculatory fluid exit the penis. The circumference of the base of the glans forms a rounded projecting border, the corona glandis , overhanging a deep retroglandular groove known as the coronal sulcus .
Spermatozoa, in this case human, are a primary component in normal semen, and the agents of fertilization of female ova. Semen, also known as seminal fluid, is a bodily fluid that contains spermatozoa. Spermatozoa are secreted by the male gonads (sexual glands) and other sexual organs of male or hermaphroditic animals and can fertilize the ...
Semen displacement is an adaptation of the shape of the penis to draw foreign semen away from the cervix. This means that in the event of a rival male's sperm occupying the reproductive tract of a female, the human penis is able to displace the rival sperm, replacing it with his own. [42] Semen displacement has two main benefits for a male.
Ejaculation occurs in two stages, the emission stage and the expulsion stage. [4] The emission stage involves the workings of several structures of the ejaculatory duct; contractions of the prostate gland, the seminal vesicles, the bulbourethral gland and the vas deferens push fluids into the prostatic urethra. [3]
Spermaturia is condition characterized by the presence of sperm in the urine. [1] It can be observed in males of other species and then sometimes diagnosed in veterinary medicine. [2] The cause is most often a retrograde ejaculation. It may be physiological during urination after coitus (postcoital urination). [citation needed]
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Penile discharge is fluid that comes from the urethra at the end of the penis that is not urine, pre-ejaculate or semen. [2] [3] Common causes include infections due to gonorrhea, chlamydia, or trichomoniasis. [3] In gonorrhea the discharge may be white, yellow, or green. [4] [5] A swab of the discharge is usually performed. [5] Treatment ...