Fissure adjectives are listed in this post. Each word below can often be found in front of the noun fissure in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing FISSURE.
anal, calcarine, central, deep
great, horizontal, interhemispheric, large
lateral, long, longitudinal, median
narrow, natural, orbital, palpebral
small, sylvian, transverse, vertical
Hope this word list had the adjective used with fissure you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.