Panniculus adiposus | |
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Details | |
Identifiers | |
Latin | panniculus adiposus |
TA98 | A16.0.03.002 |
TA2 | 7084 |
TH | H3.12.00.2.00002 |
FMA | 82501 |
Anatomical terminology |
The panniculus adiposus is the fatty layer of the subcutaneous tissues, superficial to a deeper vestigial layer of muscle, the panniculus carnosus. [1]
It includes structures that are considered fascia by some sources but not by others. Some examples include the fascia of Camper and the superficial cervical fascia. [2]
A group of disorders of inflammation of this layer is called panniculitis.
The perineum in mammals is the space between the anus and the genitals. The human perineum is between the anus and scrotum in the male or between the anus and 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 gooch in American slang.
A fascia is a generic term for macroscopic membranous bodily structures. Fasciae are classified as superficial, visceral or deep, and further designated according to their anatomical location.
A skin condition, also known as cutaneous condition, is any medical condition that affects the integumentary system—the organ system that encloses the body and includes skin, nails, and related muscle and glands. The major function of this system is as a barrier against the external environment.
The subcutaneous tissue, also called the hypodermis, hypoderm, subcutis, or superficial fascia, is the lowermost layer of the integumentary system in vertebrates. The types of cells found in the layer are fibroblasts, adipose cells, and macrophages. The subcutaneous tissue is derived from the mesoderm, but unlike the dermis, it is not derived from the mesoderm's dermatome region. It consists primarily of loose connective tissue, and contains larger blood vessels and nerves than those found in the dermis. It is a major site of fat storage in the body.
Superficial muscular aponeurotic system (SMAS) is a thin yet tough unitary tissue plane of the face formed by facial fasciae, subcutis connective tissue, and facial muscles. Its composition varies, containing muscle fibres in some areas, and fibrous or fibroaponeurotic tissue in others. It connects to the dermis via vertical septa. It does not attach to bone. In most areas, a distinct plane can be defined deep to the SMAS.
The gluteal muscles, often called glutes, are a group of three muscles which make up the gluteal region commonly known as the buttocks: the gluteus maximus, gluteus medius and gluteus minimus. The three muscles originate from the ilium and sacrum and insert on the femur. The functions of the muscles include extension, abduction, external rotation, and internal rotation of the hip joint.
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 carnosus is a part of the subcutaneous tissues in vertebrates. It is a layer of striated muscle deep to the panniculus adiposus. In humans, the platysma muscle of the neck, palmaris brevis in the hand, and the dartos muscle in the scrotum are described as a discrete muscle of the panniculus carnosus. Some of the muscles of facial expression in the head are part of the panniculus carnosus. In other parts of the body, the layer is vestigial, and may be absent or may exist only as microscopic, disconnected fibers.
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 temporal fascia is a fascia of the head that covers the temporalis muscle and structures situated superior to the zygomatic arch.
The masseteric fascia and parotideomasseteric fascia are fascias of the head varyingly described depending upon the source consulted. They may or may not be described as one and the same structure.
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 cremasteric fascia is a fascia in the scrotum. As the cremaster descends, it forms a series of loops which differ in thickness and length in different subjects. At the upper part of the cord the loops are short, but they become in succession longer and longer, the longest reaching down as low as the testis, where a few are inserted into the tunica vaginalis. These loops are united together by areolar tissue, and form a thin covering over the cord and testis, the cremasteric fascia.
The investing layer of deep cervical fascia is the most superficial part of the deep cervical fascia, and encloses the whole neck.
The superficial cervical fascia is a thin layer of subcutaneous connective tissue that lies between the dermis of the skin and the deep cervical fascia. It contains the platysma, cutaneous nerves from the cervical plexus, blood vessels, and lymphatic vessels. It also contains a varying amount of fat, which is its distinguishing characteristic. It is considered by some to be a part of the panniculus adiposus, and not true 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 membranous layer or stratum membranosum is the deepest layer of subcutaneous tissue. The basement membrane separates the membranous layer from the dermis. It is a fusion of fibres into a homogeneous layer below the adipose tissue, for example, superficial to muscular fascias.
The parotid fascia is a tough fascia enclosing the parotid gland. It has a superficial layer and a deep layer.
The axillary arch is a variant of the latissimus dorsi muscle in humans. It is found as a slip of muscle or fascia extending between the latissimus dorsi muscle and the pectoralis major. There is considerable variation in the exact position of its origin and insertions as well as its blood and nerve supply. The arch may occur on one or both sides of the body. A meta-analysis revealed that the axillary arch had an overall prevalence of 5.3% of limbs.
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.