Results for “operculum”

operculum

Flap composed of 4 bones that covers, supports and protects the gill opening in many fishes. Also known as gill flap or gill cover.

Used in 64 profiles

opercle

Bone forming the upper, posterior portion of the operculum, sometimes bearing spines or spine-like structures. Normally the largest of the bones comprising the operculum.

Used in 149 profiles

head length

Normally a straight-line measurement taken from the tip of the upper lip to the posterior edge of the operculum.

Used in 68 profiles

interopercle

One of the bones comprising the operculum.

Used in 1 profile

opercular

Of or related to the operculum.

Used in 53 profiles

pseudobranch

Accessory or spurious gill, often located on the inner surface of the operculum in various fishes, that is usually small and sometimes completely obscured beneath the epithelium. Also referred to as pseudobranchia.

subopercle

One of the bones comprising the operculum, situated below the opercle.

Used in 2 profiles

preopercle

Bone forming the posterior and lower margins of the cheek; the anteriormost bone of the opercle. Also known as the preoperculum.

Used in 62 profiles