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Topic: Intromission


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In the News (Tue 22 Dec 09)

  
  The intromission function of the foreskin.
Intromission with the glans exposed required a minimum of 500 g of force and was uncomfortable.
Thus, intiating intromission with the foreskin covering the glans resulted in a greater than 10-fold reduction in the force needed to penetrate an `introitus' and make an otherwise uncomfortable intromission comfortable.
The interposed foreskin decreases the friction between the introitus and the glans.
www.cirp.org /library/anatomy/taves1   (1534 words)

  
  Patent 4966587
A medical intromission device of claim 1, comprising an annular groove at the proximal end of the outer sleeve and an elastically deformable annular bead at a proximal end portion of the intermediate sleeve for engaging the annular groove.
With such an embodiment upon insertion of the intromission kit it is guaranteed that the distal end face of the outer sleeve bears flush on the proximal outer shoulder of the distal end of the inner sleeve and is therefore masked.
The intromission kit shown in the drawings consists of three tubular sleeves of flexible material, namely an outer sleeve 30, an intermediate sleeve 20, and an inner sleeve 10 which are pushed coaxially one onto another, being adapted for displacement relatively to one another at specific axial distances.
www.freepatentsonline.com /4966587.html   (1898 words)

  
 BioMed Central | Full text | Effect of 50% ethanolic extract of Syzygium aromaticum(L.) Merr. & Perry. (clove) on ...
Intromission and Ejaculation were found absent in control, test and standard groups (Table 2).
The test drug was found to produce a significant reduction in the Mounting Latency (ML) and Intromission Latency (IL) as compared to control while a highly significant decrease was found in ML of animals treated with sildenafil citrate.
None of the control, test and standard animals were observed to show Intromission or Ejaculation because their occurrence depends upon local genital sensation which was obstructed due to anaesthetization.
www.biomedcentral.com /1472-6882/4/17   (3627 words)

  
 INABIS '98 - Mating-Induced Analgesia in the Estrous Female: Influence of Paced Mating on Spinal c-Fos Expression and ...
Frequency and timing of the intromissions are important elements of the necessary mating stimulation, with both increasing numbers of intromissions and interintromission intervals contributing to the initiation of both these behavioral and the neuroendocrine changes.
These numbers of intromissions were chosen because we had previously shown that 5 paced intromissions were significantly more likely to induce pseudopregnancy than was 5 non-paced intromissions, while 15 intromissions were shown to be equally effective when they were paced and when they were non-paced.
The groups were: 5 intromissions during paced mating tests, 15 intromissions during paced mating tests, 5 intromissions during non-paced mating tests, and 15 intromissions during non-paced mating tests, and mounts-without- intromission animals.
www.mcmaster.ca /inabis98/komisaruk/erskine0684/two.html   (1793 words)

  
 INABIS '98 - FOS Expression in the Female Brain Following Solicitational and Receptive Forms of Sexual Behavior: Are We ...
Under conditions in which an estrous rat can avoid contact with males, she regulates or paces the timing of intromissions received from the male by withdrawing from the male between copulatory mounts and by reapproaching the male at given intervals to reinitiate copulation.
The mean number of FOS-positive cells in the 5 paced intromission group was equivalent statistically to the numbers of cells in two groups in which females received 15 intromissions, and the number of cells in the 5 non-paced intromission group was significantly lower and equivalent to the mounts- only and home cage groups.
Intromission durations were controlled by manipulating the rate at which males were able to intromit with females.
www.mcmaster.ca /inabis98/baum/erskine0677/two.html   (1740 words)

  
 Journal of Sex Research: Premature Ejaculation Treated by Local Penile Anaesthesia in an Uncontrolled Clinical ...   (Site not responding. Last check: 2007-09-13)
Five of their subjects reported an improved ejaculatory latency of 15 to 20 mins after intromission; in four this was 5 to 10 mins, and in two subjects there was no improvement (Berkovitch et al., 1995).
Thus, the estimated duration of foreplay was approximately 6 to 10 mins, and the estimated duration between penile intromission and ejaculation is between 1 and 2 mins, with less than 8 pelvic thrusts.
There is a highly significant prolongation of the interval between penile intromission and ejaculation, from an estimated less than 2 mins without the cream to 8 mins with the cream applied to the penis (albeit with quite some variance, i.e., a large SD).
calbears.findarticles.com /p/articles/mi_m2372/is_3_37/ai_68273922   (1290 words)

  
 intromission - OneLook Dictionary Search
intromission : Compact Oxford English Dictionary [home, info]
Intromission : Online Plain Text English Dictionary [home, info]
intromission : Dorland's Illustrated Medical Dictionary [home, info]
www.onelook.com /?w=intromission&ls=a   (169 words)

  
 Role of hormones in sexual behaviour   (Site not responding. Last check: 2007-09-13)
Intromission: the male mounts the female and briefly (200-300 milliseconds) inserts his penis.
Numerous measures of the relationships between mounts, intromissions and ejaculations are recorded to measure sexual motivation and performance.
This model can explain why fewer intromissions are required to reach an ejaculation if the rat is prevented from intromitting for 2-3 minutes after his previous intromission.
salmon.psy.plym.ac.uk /year1/psy128sexual_behaviour/sexbehav.htm   (4889 words)

  
 The Psychopharmacology of Sexual Behavior
Mounts and intromissions eventually ceased to occur and the latencies to mount, intromit, and ejaculate were prolonged, eventually to the duration of the 15-min test session or even longer (29, 30).
This dose of alcohol increased the mount, intromission, and ejaculation latencies and increased the postejaculatory interval in the alcohol-before group on the first tolerance-development trial, although these disruptive effects became progressively less pronounced in subsequent trials.
Significant increases in the mount, intromission, and ejaculation latencies, and in the postejaculatory intervals, were observed in rats of the saline control and alcohol-after groups, but not in rats of the alcohol-before group, thus demonstrating that contingent tolerance to alcohol's disruptive effects had occurred.
www.acnp.org /G4/GN401000071/CH071.html   (8765 words)

  
 [No title]
In a study by Wilson, Adler & LeBoeuf, we showed that the female uses information from the serial intromissions delivered by the male to signal her when she DOES need a luteal phase, and uterine preparation.
Intromission is achieved by the male, without erection (he has a penile bone: os penis); then the base of his penis swells (the bulbus glandis), and 'locks' into the vagina for 30-60 minutes.
The stag then quickly moves to her rear, and mounts, and achieves a very quick, short, intromission with a short leap forward and upward, when all 4 feet leave the ground.
ibgwww.colorado.edu /~wilsonjr/recap2.html   (3672 words)

  
 British Journal of Pharmacology - Participation of 5-HT1B receptors in the inhibitory actions of serotonin on masculine ...
The term 'intromission' is used to refer to the behavioural pattern consisting of repeated deep pelvic thrusting, associated with penile insertion.
Similarly, ejaculation refers to the behaviour that occurs at the end of an intromission characterized by the reflexive grasping of the female often followed by the male falling off the female to the side (Clemens et al., 1988; McGill, 1962).
The facilitation can be traced in the reduced mount and intromission latencies as well as in the increased percentage of KO mice that exhibit mounts or intromissions as compared to its corresponding WT strain.
www.nature.com /bjp/journal/v136/n8/full/0704827a.html   (5690 words)

  
 Florida Entomologist, v. 79, n. 2, p. 130
For instance, there are apparently no studies of the factors that may affect male decisions such as whether to turn toward the female, to advance toward the female, to shift from wing vibration to wing buzzing, to rock the head, or to attempt to mount.
In one wild pair in which more than 5 min of this behavior was taped before the male finally achieved intromission, some movements of the male’s legs were produced by pushing movements of the female’s hind legs; nevertheless the male clearly rubbed her on other occasions when her legs were immobile.
After landing on a female (left; the upper image of the male followed the other by 0.06 s), the male rocked his body briskly anteriorly and posteriorly (right; the dotted lines in the figure represent the male’s position 0.03 sec after the solid lines) (drawings of wild male and female; male wings omitted for clarity).
www.fcla.edu /FlaEnt/fe79p130.htm   (3561 words)

  
 Part Three Chapter Two
In Antiquity, questions whether vision occurs through rays emanating from the eye, extromission, images coming to the eye, intromission, or some combination of the two had remained a matter for philosophical debate.1 Such questions were outside the scope of optics.
The moment the air is illumined it fills itself with infinite species which are caused by various bodies and colours that are in front of it with respect to which the eye acts as a magnet and compass.
1489-1510) intromission is again alluded to briefly: "the object moves the sense." The intromission question is broached at greater length on CA345vb (fig.
www.sumscorp.com /books/contin/p3c2.htm   (10588 words)

  
 GraffĂ« Forums - Spell Comparisons
Intromission is faster casting but gives the target less power.
It's hard to quantify how much power the user receives as everyones power pools are different sizes, but generally, I can give about 3/4 of a bubble with those 2 spells at app4.
Intromission is a fast spell that takes your life and turns it into power for the target, provides less mana than surge of flames.
www.graffe.com /forums/showthread.php?t=28338   (1066 words)

  
 SACLANTCEN Memoranda   (Site not responding. Last check: 2007-09-13)
When a high porosity sediment is at the water sediment interface, classical theory predicts that there is an angle at which the reflection coefficient is zero, and there is total transmission of sound into the seafloor.
This angle is called the angle of intromission and has not been directly observed at the seafloor to the author's knowledge.
Measurements of the angle of intromission in the coastal region of Italy indicate that the properties of the surficial high porosity sediments are surprisingly constant over large areas.
www.saclantc.nato.int /abstracts/sm/sm381.html   (158 words)

  
 Chakarunas Trading LLC, Lima, Peru --Animal Studies
M-02)on the number of complete intromission and assessment of mating in normal mice, and on the latent period of erection (LPE) in rats with erectile dysfunction.
The number of complete intromission during a 3-hour period in normal male mice treated with M-01 and M-02 were 2.9 and 4.1 ties higher than that of normal mice in the control group, respectively.
Moreover, on time oral administration of M-01 in a study of one-day mating assessment showed that the number of sperm positive female mice in the experimental group was 2.5 times higher than that in the control group.
www.chakarunas.com /chke-animal.htm   (3047 words)

  
 Genetic Factors Involved in the Effects of Developmental Low-Level Alcohol Induced Behavioral Alterations in Rats
Perinatal alcohol exposure significantly increased the latency to the first intromission in sP offspring whereas it did not affect this behavioral end-point in sNP rats (Figure 5).
Specifically, the intromission latency was significantly lower in the former than in the latter.
The differences between the two lines in alcohol effects on copulatory activity are interesting in view of evidence indicating that pharmacologically induced changes in anxiety may alter the expression of male sexual behavior; in particular, it has been shown that a benzodiazepine derivative (diazepam) produces an inhibition of copulatory activity in rats (Fernandez-Guasti et al.
www.nature.com /cgi-taf/dynapage.taf?file=/npp/journal/v26/n2/full/1395749a.html   (7055 words)

  
 [No title]   (Site not responding. Last check: 2007-09-13)
After the male achieves intromission and begins thrusting, the female often turns her head, looking toward the male and occasionally will reach back with one hand to touch his leg.
The female generally begins vocalizing during intromission and continues while moving away from the male although some females may not begin vocalizing until intromission is completed (Gust and Gordon, 1991).
Ejaculate:The criterion adopted to identify ejaculation is the observation of a fresh vaginal plug in the female following copulation since the behavior of the male did not differ following the observation of a plug versus none.
www.lpzoo.com /ethograms/FRMS/menus/oldworldmenu/mangabey2.htm   (262 words)

  
 Male stimulation of luteinizing hormone surge, progesterone secretion and ovulation in spontaneously ...   (Site not responding. Last check: 2007-09-13)
We recently reported that caging and mating with fertile males elicits an LH surge followed by ovulation in aging PE rats.
The present study examined the relationship between the LH surge, the increase in progesterone (P) secretion and ovulation in PE females exposed to males, and assessed whether intromission was essential for the male-induced pre-ovulatory LH surge.
Six to eight days later, these females were individually caged with a fertile male and repeatedly sampled (once every 30 or 60 min) between 1400 and 1900 h for assays of plasma LH and P. Sexual behavior of the female was recorded and correlated with the changes in plasma LH and P values.
www.arclab.org /medlineupdates/abstract_3408770.html   (279 words)

  
 Papers
Horizonal with the words, “broken line” and “character” are two terms used by the French psychoanalyst, Jean Laplanche (1999) “intromission” and “implantation.”He uses those terms with respect to individual pathological formations.
I imagine further from Laplanche’s description that sodomy (intromission via anality) is known by perpetrators of ethnic violence as the most shaming strategy.
Laplanche does not mention intromission via genitality but we can add it to the repertoire of shaming devices when perpetrators of ethnic violence rape the mothers, wives, and daughters of the enemy.
www.healthsystem.virginia.edu /internet/csmhi/MauriceWHOKobe.cfm   (5276 words)

  
 djs_lab intuitive
However, ancient models of the nature of vision often argued for extramission: vision occurs because energy leaves the soul, exits the eyes, and either changes the physical medium or actually contacts objects in the world.
Although the intromission model is clearly correct, many beliefs appear to derive from an intuitive model of perception that is largely extramissionist.
For example, many people, when asked, will state that they can feel someone staring at their back when they didn't know someone was there.
viscog.beckman.uiuc.edu /djs_lab/intuitive.html   (258 words)

  
 Intromission
Intromission (n.) The act of sending in or of putting in; insertion.
Intromission (n.) The act of letting go in; admission.
Intromission (n.) An intermeddling with the affairs of another, either on legal grounds or without authority.
linkspider.serversystems.net /dictionary/lookup/intromission   (96 words)

  
 Conference Schedule
The dam rejected (responded with struggling or contact aggression) 39% of the all mounts by sons, but only 17% of those by sires.
For sires, 19 of the 20 mounts (95%) accompanied by thrusting were in a body position where intromission was possible; half were rejected by the dam.
In contrast, intromission was possible in only 4 of the 8 thrusting mounts by sons; all were rejected by the dam.
www.asp.org /asp2004/abstractDisplay.cfm?abstractID=816&confEventID=863   (265 words)

  
 Sexually Dimorphic Processing of Somatosensory and Chemosensory Inputs to Forebrain Luteinizing Hormone-Releasing ...
Effect of mating with intromission or exposure to chemosensory cues from an opposite sex ferret on Fos-IR in neurons located in the proximal components of the putative excitatory input pathway to medio-basal hypothalamic LHRH neurons
Schematic diagram comparing the relative degrees of Fos induction in non-LHRH and in LHRH neurons of breeding male and estrous female ferrets after receiving (female response) or achieving (male response) an intromission or after exposure to chemosensory cues alone from an opposite sex ferret in breeding condition.
as strongly as by the receipt of an intromission.
endo.endojournals.org /cgi/content/full/138/3/1121   (5551 words)

  
 Alhazen - Wikipedia, the free encyclopedia
This theory postulated that sight worked by the eye emitting light.
The second or "intromission" theory, supported by Aristotle had light entering the eye.
Alhazen performed experiments to determine that the "intromission" theory was scientifically correct.
en.wikipedia.org /wiki/Alhazen   (505 words)

  
 Intromision - Intromision. Name * E-mail. City. Country. Homepage. Message * Name: dulcema. E-mail: City: Country: ...   (Site not responding. Last check: 2007-09-13)
See The Story: or Concerned that the possible intromission of secret messages is turning statements from the terrorist umbrella group al.
However, they overlooked a prior observation that intromission was thereby made easier Morgan [1 and 2] stated that vaginal intromission is easier with a (retractable foreskin in.
Proposed: the vaginal friction hypothesis; the prolonged intromission hypothesis; and the thus refuting the vaginal friction and.
www.destarter.com /intromission/intromision.html   (543 words)

  
 Reproduction-Talapoin Monkey
Most often the female faces the female when he tries to mount her, and the male responds with a clenched teeth grin and tries to turn the female around to mount her (Wolfheim and Rowell, 1972).
intromission mount: This is where the female stands on all fours with the tail bent away from interfering with the male, who thrusts slowly with the knees sharply bent (Wolfheim and Rowell, 1972).
Ejaculation may or may not occur, depending on whether the female jumps away or not, and during the mount both the male and female gives the retracted lips grin display and both or just the female may emit twitter (Wolfheim and Rowell, 1972).
members.tripod.com /uakari/talapoin_reproduction.html   (585 words)

  
 THE MERCK MANUAL OF GERIATRICS, Ch. 116, Sexual Dysfunction in Women
Causes include inadequate vaginal lubrication, irritation and dryness of the external genitalia, vulvovaginitis, local trauma (eg, episiotomy scars), urethritis, improper intromission (angle of entry), anorectal disease, altered anatomy of the female genital tract (eg, a retroverted or prolapsed uterus), and even arthritis.
Determining if dyspareunia occurs during foreplay, intromission, deep penetration, or certain positions can help in the differential diagnosis.
For example, dyspareunia during deep penetration may indicate lesions of the uterus or broad ligament.
www.merck.com /mrkshared/mmg/sec14/ch116/ch116e.jsp   (170 words)

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