Anal fin
the median, unpaired fin on the ventral margin between the -n-s and the caudal fin in fishes.
historical examples
-n-l fin resembling the second dorsal, greyish, with the margin dull-purple.
zoological ill-strations, volume i william swainson
noun
a median ventral unpaired fin, situated between the -n-s and the tail fin in fishes, that helps to maintain stable equilibrium
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-n-l fistula -n-l fistula n. a fistula opening at or near the -n-s, usually into the r-ct-m above the internal sphincter.
- Anal pecten
-n-l pecten -n-l pecten n. the middle third of the -n-l c-n-l.
- Anal personality
-n-l personality -n-l personality [(ayn-l)] a popular term for “-n-l retentive personality,” a personality marked by excessive orderliness, extreme meticulousness, and often suspicion and reserve. according to psycho-n-lysis, an -n-l personality is formed in early childhood as a result of efforts to control bowel movements. (see -n-l stage, genital stage, and oral stage; compare oral […]
- Anal phase
psycho-n-lysis. the second stage of psychos-xual development during which the child, usually at two years of age, becomes preoccupied with defecation. -n-l phase n. in psycho-n-lytic theory, the stage of psychos-xual development occurring early in life, usually around the second year, when a child’s activities, interests, and concerns are centered around the expulsion and retention […]
- Anal reflex
-n-l reflex -n-l reflex n. contraction of the -n-l sphincter around a finger p-ssed into the r-ct-m.