perineal body

(noun)

A pyramid-shaped fibromuscular mass in the middle line of the perineum at the junction between the urogenital triangle and the anal triangle .

Related Terms

Examples of perineal body in the following topics:

  • Perineum

    • The perineum is the region between the genitals and the anus, including the perineal body and surrounding structures.
    • In human anatomy, the perineum is the surface region between the pubic symphysis and coccyx in both males and females, including the perineal body and surrounding structures.
    • Perineal tears and episiotomy often occur in childbirth with first-time deliveries, but the risk of these injuries can be reduced by preparing the perineum through massage.

  • Episiotomy

    • This technique bifurcates the perineal body, which is essential for the integrity of the pelvic floor.
    • Precipitous birth can also damage - and more severely sever - the perineal body, leading to undesired birth sequelae such as incontinence.
    • In the oblique technique, the perineal body is avoided, cutting only the vagina epithelium, skin and muscles (transversalius and bulbospongiosus).
    • This technique aids in avoiding trauma to the perineal body by either surgical or traumatic means.
    • This technique bifurcates the perineal body, which is essential for the integrity of the pelvic floor. 2)The oblique technique, the perineal body is avoided, cutting only the vagina epithelium, skin and muscles

  • Uterus

    • The uterus consists of a body and a cervix.
    • The uterus is primarily supported by the pelvic diaphragm, perineal body, and the urogenital diaphragm.

  • Penis

    • The human penis cannot be withdrawn into the groin, and is larger than that of any other primate, particularly in regards to proportion to body mass.
    • The perineal raphe is the noticeable line along the underside of the penis.

  • Premature Ejaculation

    • The body may interpret infrequent sex as evidence of scarcity and therefore attempt to utilize that potentially limited opportunity by passing genes as quickly as possible.
    • It involves closure of the bladder neck, followed by the rhythmic contractions of the urethra by pelvic-perineal and bulbospongiosus muscle, and intermittent relaxation of external urethral sphincters.

  • Defecation Reflex

    • The perineal wall is lowered, causing the anorectal angle to decrease from 90 degrees to less than 15 degrees (almost straight), and the external anal sphincter relaxes.

  • Accessory Sex Glands

    • Bulbourethral glands are located posterior and lateral to the membranous portion of the urethra at the base of the penis, between the two layers of the fascia of the urogenital diaphragm in the deep perineal pouch.

  • Stages of Labor

    • Longer labors are associated with declining rates of spontaneous vaginal delivery and increasing rates of infection, perineal laceration, obstetric hemorrhage, as well as need for intensive care of the neonate.

  • Water Content in the Body

    • In physiology, body water is the water content of the human body.
    • It makes up a significant percentage of total body composition.
    • The water in the body is distributed among various fluid compartments that are interspersed in the various cavities of the body through different tissue types.
    • Body water is regulated largely by the renal and neuro-endocrine systems.
    • There are many clinical methods to determine body water.

  • Body Planes and Sections

    • Body planes are hypothetical geometric planes used to divide the body into sections.
    • The sagittal plane (lateral or Y-Z plane) divides the body into sinister and dexter (left and right) sides.
    • It is typically a horizontal plane through the center of the body and is parallel to the ground.
    • Body planes are used to describe anatomical motion in the X-Y-Z coordinate system that the body moves through.
    • Anatomical change during embryological development is also described and measured with body planes.