What does epicranium mean?
The epicranium is the collective name for the soft tissues that cover the upper part of the skull — essentially the scalp along with the muscles and fibrous tissue lying beneath it. In anatomical terms it spans several layers, from the skin on the surface through fat and connective tissue down to the thin membrane attached directly to the bone. The word belongs firmly to medical and scientific registers; a doctor describing a head wound might refer to injury of the epicranium where everyday language would simply mention the scalp. Its adjective form, 'epicranial', is common in medical literature, notably in the phrase 'epicranial aponeurosis', the tough sheet of tendon connecting the frontalis and occipitalis muscles of the forehead and back of the head. Derived from Greek roots meaning 'upon the skull', the term offers precision in clinical description while remaining largely unknown outside specialist circles — a reminder of how anatomy names even the most familiar parts of our bodies.
nounThe soft tissues covering the upper part of the skull, especially the scalp together with its underlying muscles and connective tissue; in anatomy, the upper portion of the head as distinct from the face.
- The scalp and associated soft tissues covering the top of the skull, considered collectively in anatomy.
"The surgeon noted a laceration extending across the entire epicranium."
"Anatomists divide the epicranium into layers, from skin down to the pericranium."
"The blow landed on his epicranium, leaving a painful but superficial bruise."
Both plurals are attested; the Latinized 'epicrania' is typical of formal anatomical writing, while 'epicraniums' suits general prose.
"The comparative study examined the epicrania of several mammalian species."
Your scalp has an official scientific name — and it comes with its own pair of muscles called the epicranius.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of epicranium
Epicranium derives from New Latin, formed from the Greek prefix 'epi-' meaning 'upon' or 'over', combined with 'kranion', meaning skull or cranium — literally 'that which lies upon the skull'. It entered anatomical usage alongside related coinages such as 'cranium' (the skull) and 'pericranium' (the membrane covering the skull bones), all sharing the same Greek root. The adjective form 'epicranial' follows the standard Latinate pattern for anatomical adjectives.
Related word forms
How epicranium is actually used
A technical term used almost exclusively in anatomy, medicine, and related scientific writing; ordinary speakers simply say 'scalp'. The adjective form 'epicranial' appears frequently in medical literature, often in phrases such as 'epicranial aponeurosis' (also known as the galea aponeurotica).
Easily confused with epicranium
The cranium is the bony skull itself, whereas the epicranium is the soft tissue — chiefly the scalp and its muscles — that covers the top of the cranium.
The pericranium is specifically the membrane (periosteum) adhering to the outer surface of the skull bones, while the epicranium refers more broadly to all the overlying soft tissues of the upper head.