Phthiriasis inguinalis is a medical condition caused by pubic lice infestation. The spelling of this word is complex and requires knowledge of phonetic transcription. The first word, "phthiriasis", is pronounced /θɪˈraɪəsɪs/ with the 'ph' representing the sound /θ/, similar to the 'th' in 'think'. The second word, "inguinalis", is pronounced /ˌɪŋɡwɪˈneɪlɪs/, with the stress on the second syllable. It contains the root 'inguin-', meaning groin, and the suffix '-alis', meaning pertaining to. Thus, phthiriasis inguinalis refers to a pubic lice infestation in the groin area.
Phthiriasis inguinalis, also known as crab lice infestation or pubic lice infestation, is a contagious parasitic skin condition caused by the infestation of the pubic region by the louse Phthirus pubis.
This condition primarily affects the pubic area, but can also spread to other hair-bearing areas such as the armpits, chest, eyebrows, and even eyelashes. It is predominantly transmitted through sexual contact, but can also be acquired through close physical contact or sharing of infested objects like clothing, bedding, or towels.
The symptoms of phthiriasis inguinalis typically include intense itching and irritation in the affected areas, along with the presence of small, oval-shaped, grayish-white lice eggs (nits) attached to the hair shafts. Adult crab lice are tiny, flat, crab-shaped insects that feed on human blood.
Treatment for phthiriasis inguinalis usually involves the use of specialized medicated shampoos, creams, or lotions containing insecticides like permethrin or pyrethrin. It is important to carefully follow the prescribed treatment to eradicate the lice and prevent reinfestation. Additionally, thorough cleaning and washing of infested clothing, bedding, and personal items is necessary to eliminate any remaining lice or eggs.
Phthiriasis inguinalis is a relatively common infestation, but it can cause significant discomfort and emotional distress. Seeking medical advice from a healthcare professional is recommended for proper diagnosis and effective treatment of this condition.
Presence of crab lice in the hairy pubic region.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "phthiriasis inguinalis" is a medical term commonly known as "crab lice" or "pubic lice". The etymology of this term can be broken down as follows:
1. Phthiriasis: The word "phthiriasis" is derived from the Greek word "phtheir" which means louse. This term refers to an infestation of lice.
2. Inguinalis: The term "inguinalis" is derived from the Latin word "inguinali" which refers to the inguinal region. Inguinal refers to the groin area between the abdomen and the thighs.
Together, "phthiriasis inguinalis" denotes an infestation of lice in the inguinal or pubic region.