postanal


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post·a·nal

(pōst-ā'năl),
Posterior to the anus.
Farlex Partner Medical Dictionary © Farlex 2012

postanal

(pōst-ā′năl) [″ + anus, anus]
Located behind the anus.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Hexamermis albicans, a parasite of orthopterans, dermapterans, coleopterans, dipterans, hymenopterans and lepidopterans, is separated by the arrangement of the genital papillae: 4-8 preanal and 5-9 postanal.
The holoventral plate expands in the coxa of the leg IV, bearing 10 pairs of setae except the adanal setae and postanal setae.
Diagnosis: formula de miotomos: 40 (40-45) preatrioporales + 18 (14-19) del atrioporo al ano + 9 (8-9) postanales = 67 (64-71) totales.
Caudal end with 12 pairs of (sessile) anal papillae, arranged as 7 preanal, 1 adnal and 4 postanal. Females vulva small with slightly elevated lips, postequatoruial.
Four aggregations comprising alternating bands of pigmentation, 3 dorsal and 1 mediolateral, present along postanal body (Fig.
During pre-flexion and before flexion, anal melanophores increased from 13 to 16, starting on the second postanal myomere and ending before reaching the tail.
The postanal tuft of a few simple cilia was dorsal to the anus.
Marginal teeth single, 20-25 in number of which 1-16 large postanal; preanal margin about as long as anal margin (Figure 4f); lateral fascicles in groups of three-four denticles (Figure 4e).
The posterior end was tightly coiled in four spiral turns, and possessed five pair papillae: two pair preanal, one of which is directly anterior to the anus; and three pair postanal. The postanal papillae are positioned accordingly: one pair proximal (nearly perianal), one pair mesal, and one pair distal.
Postanal repair for neuropathic faecal incontinence: correlation of clinical result and anal canal pressures.
It is characterized mainly by having a spatulate right spicule with ventral barb at posterior end, the left spicule has notched anterior and razor-sharp distal tips, finely striated caudal region, fifteen pairs (10 preanal, 5 postanal) papillae in males, bifurcate deirids and conical tail tips in both the sexes.