The instance of a fertility doctor using his own sperm to impregnate several of his patients is highly reminiscent of the case of Dr. Cecil Jacobson who was accused of such practices and later convicted of perjury and had his medical license revoked.
Alraune, die Henkerstochter, genannt die rote Hanne(Alraune, the hangman's daughter, named Red Hanna) is a 1918 silent science fiction horror film directed by Eugen Illés and Joseph Klein and starring Max Auzinger in which a Doctor uses the sperm of a dead man to impregnate a prostitute.
Female bed bugs have also evolved physiological by the presence of phagocytic cells in the mesospermalege that ingest sperm after mating.
Davidson opined that a storyline in which Victor's son Adam Newman (Michael Muhney) gas lighted a pregnant Ashley in 2010 was payback for Ashley stealing Victor's sperm years ago to conceive Abby.
Deletions in the USP9Y gene, which is located within AZF1, are usually but not always associated with inability to form sperm.
Since this birth in 1992 "intracytoplasmic sperm injection" or ICSI has been adopted by IVF clinics around the world.
An experimental pharmaceutical compound known as JQ1 blocks the region of BRDT responsible for chromatin remodeling, resulting in a temporary reduction of sperm production and quality; when tested in mice, the result was a cessation of male fertility that was reversed when use of JQ1 was discontinued.
However, beaks from mature adults have only been recovered from those animals large enough to take such prey (i.e. sperm whales and sleeper sharks), while the remaining predators are limited to eating juveniles or young adults.
# The labeled samples are then mixed with a propriety hybridization solution which may contain SDS, SSC, dextran sulfate, a blocking agent (such as COT1 DNA, salmon sperm DNA, calf thymus DNA, PolyA or PolyT), Denhardt's solution and formamine.
Dorothea Bennett (December 27, 1929, Honolulu - August 16, 1990, Houston) was a geneticist, known for the genetics of early mammalian development and for research into mammalian sperm surface structures and their role in fertilization and spermatogenesis.
According to WebMD, while evidence suggest that one specific Eurycoma longifolia supplement might have some role in boosting sperm quality, there is insufficient evidence to rate it for any other claimed use including treatments for erectile dysfunction, low sex drive, cancer, malaria and tuberculosis.
J.D. (Rob Schneider), Harriet (Michelle Rodriguez), and Bob (Jonathan Spencer) (who spends most of the time masturbating) host an At the Movies-style film review series that showcases pornographic films, including a parody of Swan Lake known as Sperm Lake (which features several gay ballet dancers in place of the girls).
He was interviewed regarding his involvement with this project by Slate Magazine and the book The Genius Factory: The Curious History of the Nobel Prize Sperm Bank (2005) by David Plotz.
Quirk's nonfiction book It's Not You, It's Biology: the Science of Love, Sex & Relationships (originally titled Sperm Are from Men, Eggs Are from Women: The Real Reason Men and Women Are Different, as a retort to John Gray's Men Are from Mars, Women Are from Venus) is a relationships book grounded in science, presenting relationship advice heavily grounded in evolutionary psychology.
Exoporian : Hepialidae and related families have an external groove that carries sperm from the copulatory opening (gonopore) to the (ovipore) and are termed Exoporian.
This work, carried out with rabbits, influenced Theodor Ludwig Wilhelm Bischoff's theories concerning fertilisation, but it was not until 1876 that Oscar Hertwig, working with sea urchins, described the fusion of sperm and egg to form a new structure.
At King's College Wilkins pursued, among other things, x-ray diffraction work on ram sperm and DNA that had been obtained from calf thymus by the Swiss scientist Rudolf Signer.
He was in the controversial You’ll Come to Love Your Sperm Test by (and with) John Antrobus at the Traverse Theatre in Edinburgh in 1964.
Australian research conducted in 2009 by subjecting in vitro samples of human spermatozoa to radio-frequency radiation at 1.8 GHz and specific absorption rates (SAR) of 0.4 to 27.5 W/kg showed a correlation between increasing SAR and decreased motility and vitality in sperm, increased oxidative stress and 8-Oxo-2'-deoxyguanosine markers, stimulating DNA base adduct formation and increased DNA fragmentation.
After the events in So Long, and Thanks for All the Fish, Arthur Dent and his love interest Fenchurch attempt to sightsee across the Galaxy, but when Fenchurch disappears during a hyperspace jump due to being from an unstable sector of the Galaxy, Arthur becomes depressed and travels the Galaxy alone, raising money to pay his passage by donating his biological material to DNA banks (mostly sperm, due to it having the highest payout).
This injection technique is called ICSI (Intracytoplasmic Sperm Injection) and is also used in IVF.
For instance, Ornate Moth females receive a spermatophore containing nutrients, sperm and defensive toxins from the male during copulation.
The cost to the pollinating insects might be seen as negligible, but study of Cryptostylis (an Australian orchid) pollinators shows that they may waste large amounts of sperm by ejaculating onto the flower.
Philip K. Dick, in his 1967 novel Counter-Clock World, describes a future in which time has started to move in reverse, resulting in the dead reviving in their own graves ("old-birth"), living their lives in reverse, eventually ending in returning to the womb, and splitting into an egg and a sperm during copulation between a recipient woman and a man.
In terms of the level of sperm DNA fragmentation, up to three cycles of freezing and thawing can be performed without causing a level of risk significantly higher than following a single cycle of freezing and thawing.
Males carrying Robertsonian translocations in their chromosomes have significantly higher degree of sperm cell apoptosis and lower concentration.
In some mammals, sperm motility is activated by increase in pH, calcium ion and cAMP, yet it is suppressed by low pH in the epididymis.
Sperm whaling involved the above-named ships searching for sperm whales on certain "grounds," or areas where sperm whales were likely to be found, such as the "Western" Ground in the mid-North Atlantic or the "Offshore" Ground in the latitudes of 5–10 degrees south and 105–125 degrees west longitude.
The record sleeve by Wayne Shellabarger delivers a mighty Tom of Finland inspired revision of the Rolling Stones Sticky Fingers album from 1971 – featuring a safety-pinned glans peeping out from the waistline and sperm dripping down from the denim pants (these rather explicit details can be discovered on the back-folded parts of the sleeve).
The SYBR green in the sample binds to the herring sperm DNA and, once bound, fluoresces giving off green light when illuminated by blue light.
Directed by Alison Reid, the film stars Angela Vint and Megan Fahlenbock as Athena and Lilith, a lesbian couple each pregnant with the other's baby through an experimental stem cell procedure that created artificial sperm from their DNA.
The final season's catch had 698 sperm whales, 15 short of its quota set by the International Whaling Commission.
In the mouse (the best characterised mammalian system), the zona glycoprotein, ZP3, is responsible for sperm binding, adhering to proteins on the sperm plasma membrane (GalT).