The pneumostome or breathing pore is a respiratory opening of the external body anatomy of an air-breathing land slug or land snail. It is a part of the...

single lung (on the right side) which opens externally via a pneumostome. The pneumostome lung cavity is heavily vascularized to allow gas exchange. Dehydration...

on the right-hand side of the mantle is a respiratory opening, the pneumostome, which is easier to see when open; also on the right side at the front...

(possibly orange, magenta, or maroon) triangle on the mantle surrounding the pneumostome, and a red line at the edge of the foot. The texture of the dorsum of...

Underside of a snail climbing a blade of grass, showing the muscular foot and the pneumostome or respiratory pore on the animal's right side...

developed a vascularised lung from the mantle cavity. These groups lack a pneumostome, having a much larger opening to the cavity. Since this opening is usually...

over their gills, and the Siphonariidae ("false limpets"), which have a pneumostome for breathing air like the majority of terrestrial Gastropoda. The basic...

moist and damp areas of the forest floor. Mantle, note the prominent pneumostome Tail, note full length foot fringe and keel A Pacific Banana Slug whose...

have helical shells. Slugs appear externally symmetrical, but their pneumostome (breathing hole) is located on the right side. Other gastropods develop...

concentrically and interruptedly ridged around a sub-posterior nucleus. The pneumostome is just posterior to the midpoint of the mantle, as it is in all Limacidae...

Arion vulgaris is opening its pneumostome....

gastropods in the form of a helical shell A red slug, clearly showing the pneumostome Male caribou usually possess one brow tine flattened into a shovel shape...

family Arionidae, the roundback slugs. Slugs in the genus Arion have the pneumostome (respiratory pore) in the front part of the mantle and a round back without...

shells. At first glance slugs appear externally symmetrical, but their pneumostome (breathing hole) is always on the right side. The origin of asymmetry...

lung from the mantle cavity. An externally located opening called the pneumostome allows air to be taken into the mantle cavity lung. The lungs of today's...

it looks like other large slugs in the related genus Arion, with the pneumostome in the front part of the mantle; its coloration is olive-grey with bright...

running from posterior end to frontal section of mantle, above the pneumostome. The shape of the slug is elongate, dorso-ventrally flattened (oval in...

Like other limacids, these slugs are slim with a pointed tail, and the pneumostome lies is the posterior half of the mantle. The length is reportedly 20...

dark lateral bands (the right band usually running entirely above the pneumostome). The tentacles are bluish or reddish, and the slug bluish or orange...

head. Like other members of the family Arionidae, the black slug has a pneumostome (breathing hole) on the right side of its mantle through which it breathes...

reddish-orange. Darker lateral bands are present. Dark pigment reaches under the pneumostome from back to front. The foot fringe is pale with thin lines. The sole...

brown bands on the dorsum and mantle, the right band passes above the pneumostome. The margin of the foot is reddish or yellowish with dark transverse...

of muscle attachment scars. These markers show the positioning of the pneumostome or pulmonary orifice. Genera in the family Siphonariidae include: Anthosiphonaria...

the entire body length, situated in the anterior part of the body. The pneumostome is clearly postmedial. The surface of the mantle in living slugs is covered...

A partially contracted Tandonia budapestensis, showing an open pneumostome...

The right side of Lehmannia melitensis showing the pneumostome...

rutellum: L - left shell lap of mantle ML - left mantle lobe TE - upper tentacle (ommatophore) TV - lower tentacle J - mouth P - penis LP - pneumostome...

and has a keel. The mantle covers the first one third of the body. The pneumostome is in the posterior part of the mantle. Khostalestes kochetkovi inhabits...

Respiratory system of gastropods ctenidium (mollusc) cerata cnidosac pneumostome siphon (mollusc) circulatory system of gastropods excretory system of...

caudal mucous pit is above the tip of the tail. The respiratory pore (pneumostome) is in front of the midpoint of the mantle. The body length is up to...