Medical Definition Of Penumbra

Penumbra | definition of penumbra by Medical dictionary

https://medical-dictionary.thefreedictionary.com/penumbra

pe·num·bra ( pĕ-nŭm'bră) 1. radiology The blurred margin of an image. 2. radiation physics The region at the edges of a radiation beam over which a rapid change in dosage rate occurs. Synonym (s): geometric unsharpness. [Mod. L., fr. L. paene, almost, + umbra, …

Penumbra (medicine) - Wikipedia

https://en.wikipedia.org/wiki/Penumbra_(medicine)

Penumbra Definition & Meaning - Merriam-Webster

https://www.merriam-webster.com/dictionary/penumbra

or penumbras. Synonyms of penumbra. 1. a. : a space of partial illumination (as in an eclipse) between the perfect shadow on all sides and the full light. b. : a …

The ischemic penumbra: identification, evolution and …

https://pubmed.ncbi.nlm.nih.gov/14694275/

The concept of the ischemic penumbra is an important one for both basic investigators of cerebral ischemia and for clinicians who treat stroke patients. The ischemic …