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This is an accepted version of this page This is the latest accepted revision, reviewed on 31 January 2025. List of organ systems in the human body Part of a series of lists about Human anatomy General Features Regions Variations Movements Systems Structures Arteries Bones Eponymous Foramina Glands endocrine exocrine Lymphatic vessels Nerves Organs Systems Veins Muscles Abductors Adductors ...
Pediculosis is commonly treated with permethrin lotion. [12] [13] FDA-approved products include permethrin for children 2 months and older, ivermectin (Sklice) for age 6 months and older, and pyrethrins for age two and older. These products should be applied twice, a week or so apart.
Pediculosis corporis is caused by the body louse, Pediculus humanus humanus (syn. Pediculus corporis [citation needed]). The dark mass depicted inside the abdomen is a previously ingested blood meal. Specialty: Dermatology: Symptoms: Itching: Complications: epidemic typhus, relapsing fever, trench fever, Vagabond's leukomelanoderma: Causes ...
The subcutaneous tissue is a layer of fat between the dermis and underlying fascia. [14] This tissue may be further divided into two components, the actual fatty layer, or panniculus adiposus, and a deeper vestigial layer of muscle, the panniculus carnosus. [3] The main cellular component of this tissue is the adipocyte, or fat cell. [14]
There are other systems in the body that are not organ systems—for example, the immune system protects the organism from infection, but it is not an organ system since it is not composed of organs. Some organs are in more than one system—for example, the nose is in the respiratory system and also serves as a sensory organ in the nervous ...
Haematopoietic stem cells (HSCs) reside in the medulla of the bone (bone marrow) and have the unique ability to give rise to all of the different mature blood cell types and tissues. [2] [3] HSCs are self-renewing cells: when they differentiate, at least some of their daughter cells remain as HSCs, so the pool of stem cells is not depleted.
The human musculoskeletal system (also known as the human locomotor system, and previously the activity system) is an organ system that gives humans the ability to move using their muscular and skeletal systems. The musculoskeletal system provides form, support, stability, and movement to the body.
Head lice infestation, also known as pediculosis capitis, is the infection of the head hair and scalp by the head louse (Pediculus humanus capitis). [6] Itching from lice bites is common. [ 5 ] During a person's first infection, the itch may not develop for up to six weeks. [ 5 ]