How Do You Spell EPISTERNUM?

Pronunciation: [ɪpˈɪstənəm] (IPA)

Episternum is a term used in zoology to describe a bone found in the thorax of insects and other arthropods. The spelling of this word is "eh-pih-STUR-nuhm" and is pronounced as ˌɛpɪˈstɜr nəm. The pronunciation of 'pi' as 'pih' and 'st' as 'stur' are due to the rules of English phonetics. The word is derived from Greek, where 'epi' means 'above' and 'sternon' means 'breastbone'. Understanding the spelling and pronunciation of this word is important in properly describing and identifying the anatomy of various arthropods.

EPISTERNUM Meaning and Definition

1. The term "episternum" refers to a specific anatomical structure found in vertebrates, particularly insects. It is a part of the exoskeletal system and is commonly located on the ventral or lower side of the thorax, specifically between the prothorax and mesothorax. The episternum is often positioned in the middle of the sternum and the coxal cavities.

   The primary function of the episternum is to provide structural support and protection to the internal organs of insects. It serves as a rigid shield that covers and reinforces the thoracic region, more precisely the area surrounding the coxae or hip joints. The episternum is usually broad, flat, and plate-like, adhering closely to the body wall and neighboring structures.

   In some insect species, the episternum may possess unique features, such as keels, ridges, or grooves, which can aid in increasing strength and flexibility. These adaptations allow for better locomotion, resilience to external pressure, or improved attachment of muscles responsible for wing movement. Furthermore, the episternum can function as a junction point for various muscles, providing attachment sites and facilitating their coordinated movements.

   Overall, the episternum is a crucial component of the insect's exoskeleton, contributing to its agility, protection, and overall survival.

2. The upper piece of the sternum, or manubrium; presternum.

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

Common Misspellings for EPISTERNUM

• wpisternum
• spisternum
• dpisternum
• rpisternum
• 4pisternum
• 3pisternum
• eoisternum
• elisternum
• e-isternum
• e0isternum
• epusternum
• epjsternum
• epksternum
• eposternum
• ep9sternum
• ep8sternum
• epiaternum
• epizternum
• epixternum

Etymology of EPISTERNUM

The word "Episternum" comes from the combination of two Greek roots: "epi" meaning "upon" or "above", and "sternon" meaning "breastbone" or "chest". In anatomy, the episternum refers to a small bone or cartilaginous structure found in the thoracic region of certain animals, including birds and some reptiles. The term was coined based on the location of the structure, upon or above the sternum.

Similar spelling words for EPISTERNUM

• meta-episternum,
• aposaturnium,
• Meso-episternum.

Plural form of EPISTERNUM is EPISTERNA