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The perineum in humans is the space between the anus and scrotum in the male, or between the anus and the vulva in the female. The perineum is the region of the body between the pubic symphysis and the coccyx, including the perineal body and surrounding structures. The perineal raphe is visible and pronounced to varying degrees. The perineum is an erogenous zone. This area is also known as the taint or chode in American slang.
A fascia is a generic term for macroscopic membranous bodily structures. Fasciae are classified as superficial, deep, visceral, and parietal, and further designated according to their anatomical location.
The dartos fascia or simply dartos is a layer of connective tissue found in the penile shaft, foreskin, scrotum and labia. The penile portion is referred to as the superficial fascia of penis or the subcutaneous tissue of penis, while the scrotal part is the dartos proper. In addition to being continuous with itself between the scrotum and the penis, it is also continuous with Colles' fascia of the perineum and Scarpa's fascia of the abdomen.
In anatomy, the abdominal wall represents the boundaries of the abdominal cavity. The abdominal wall is split into the anterolateral and posterior walls.
The panniculus adiposus is the fatty layer of the subcutaneous tissues, superficial to a deeper vestigial layer of muscle, the panniculus carnosus.
The deep cervical fascia lies under cover of the platysma, and invests the muscles of the neck; it also forms sheaths for the carotid vessels, and for the structures situated in front of the vertebral column. Its attachment to the hyoid bone prevents the formation of a dewlap.
The membranous layer of the superficial fascia of the perineum is the deeper layer of the superficial perineal fascia. It is thin, aponeurotic in structure, and of considerable strength, serving to bind down the muscles of the root of the penis. Colles' fascia emerges from the perineal membrane, which divides the base of the penis from the prostate. Colles' fascia emerges from the inferior side of the perineal membrane and continues along the ventral (inferior) penis without covering the scrotum. It separates the skin and subcutaneous fat from the superficial perineal pouch.
The temporal fascia is a fascia of the head that covers the temporalis muscle and structures situated superior to the zygomatic arch.
The fascia of Scarpa is the deep membranous layer (stratum membranosum) of the superficial fascia of the abdomen. It is a layer of the anterior abdominal wall. It is found deep to the fascia of Camper and superficial to the external oblique muscle.
The fascia of Camper is a thick superficial layer of the anterior abdominal wall.
The antebrachial fascia continuous above with the brachial fascia, is a dense, membranous investment, which forms a general sheath for the muscles in this region; it is attached, behind, to the olecranon and dorsal border of the ulna, and gives off from its deep surface numerous intermuscular septa, which enclose each muscle separately.
The perineal membrane is an anatomical term for a fibrous membrane in the perineum. The term "inferior fascia of urogenital diaphragm", used in older texts, is considered equivalent to the perineal membrane.
The superficial perineal pouch is a compartment of the perineum.
In human male anatomy, the dorsal veins of the penis are blood vessels that drain the shaft, the skin and the glans of the human penis. They are typically located in the midline on the dorsal aspect of the penis and they comprise the superficial dorsal veinof the penis, that lies in the subcutaneous tissue of the shaft, and the deep dorsal veinof the penis, that lies beneath the deep fascia.
The subcutaneous tissue of penis is continuous above with the fascia of Scarpa, and below with the dartos tunic of the scrotum and the fascia of Colles.
The subcutaneous tissue of perineum is a layer of subcutaneous tissue surrounding the region of the perineal body.
Extraperitoneal fascia is a fascial plane - consisting mostly of loose areolar connective tissue - situated between the fascial linings of the walls of the abdominal and pelvic cavities externally, and the parietal peritoneum internally. Its quality and quantity is varies considerably. It occupies the extraperitoneal space.
Stratum membranosum or membranous layer may refer to:
The parotid fascia is a tough fascia enclosing the parotid gland. It has a superficial layer and a deep layer.
The vaginal support structures are those muscles, bones, ligaments, tendons, membranes and fascia, of the pelvic floor that maintain the position of the vagina within the pelvic cavity and allow the normal functioning of the vagina and other reproductive structures in the female. Defects or injuries to these support structures in the pelvic floor leads to pelvic organ prolapse. Anatomical and congenital variations of vaginal support structures can predispose a woman to further dysfunction and prolapse later in life. The urethra is part of the anterior wall of the vagina and damage to the support structures there can lead to incontinence and urinary retention.
References
- ↑ Wolfgang Dauber (2007). Lexique illustré d'anatomie Feneis (in French). Pierre Bourjat. Flammarion. ISBN 9782257122506.
- ↑ Abu-hijleh; Roshier, A.; Al-Shboul, Q.; Dharap, A.; Harris, P. (2006). "The membranous layer of superficial fascia: evidence for its widespread distribution in the body". Surgical and Radiologic Anatomy. 28 (6): 606–619. doi:10.1007/s00276-006-0142-8. PMID 17061033. S2CID 32656684.
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