How Do You Spell PLANE OF PELVIC EXPANSION?

Pronunciation: [plˈe͡ɪn ɒv pˈɛlvɪk ɛkspˈanʃən] (IPA)

The term "plane of pelvic expansion" refers to the anatomical region where the female pelvis widens to accommodate childbirth. To explain the spelling of this term, we can use International Phonetic Alphabet (IPA) transcription. The word "plane" is pronounced as /pleɪn/, while "pelvic" is pronounced as /ˈpɛlvɪk/. Finally, "expansion" is pronounced as /ɪkˈspænʃən/. Therefore, the correct IPA transcription of "plane of pelvic expansion" is /pleɪn ʌv ˈpɛlvɪk ɪkˈspænʃən/. Understanding the phonetic spelling of complex anatomical terms can aid in their accurate pronunciation and usage.

PLANE OF PELVIC EXPANSION Meaning and Definition

1. The plane of pelvic expansion refers to a specific anatomical plane within the pelvic cavity that expands during childbirth. It is defined as a horizontal plane passing through certain anatomical landmarks of the pelvis. This plane is crucial for accommodating the expanding fetal head during the second stage of labor.

   The landmarks used to determine the plane of pelvic expansion include the promontory of the sacrum, which is the anterior projection of the first sacral vertebra, and the symphysis pubis, which is the joint between the two pubic bones. These landmarks are identified to establish the level at which the plane is located.

   During childbirth, as the baby descends and rotates through the birth canal, the plane of pelvic expansion allows for the enlargement of the pelvic outlet. This expansion is necessary to facilitate the passage of the baby's head and shoulders through the birth canal, ensuring a safe delivery.

   Understanding the plane of pelvic expansion is important for healthcare professionals involved in obstetrics and gynecology. By identifying and assessing the position of the fetal head in relation to this plane, they can determine if there is adequate space for vaginal delivery or if alternative delivery methods, such as a cesarean section, may be necessary.

   In summary, the plane of pelvic expansion is a horizontal plane within the pelvis that marks the level at which the pelvic cavity expands during childbirth. It plays a vital role in facilitating a safe and successful delivery by providing sufficient space for the passage of the baby through the birth canal.

2. The upper roomy portion of the pelvic cavity.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

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