Image of Pitar morrhuanus (Dall 1902)

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Pitar morrhuanus (Dall 1902)

breeding season

Egg Characteristics and Breeding Season for Woods Hole Species
july
URI: http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C106186

Definition: The seventh month of the year in the Gregorian calendar.

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cleavage stage

Egg Characteristics and Breeding Season for Woods Hole Species
unequal cleavage
URI: http://eol.org/schema/terms/unequalCleavage

Definition: In unequal cleavage, the first two cell divisions are unequal producing four cells in which one cell is bigger than the other three. This larger cell is specified as the D macromere.

Attribution: https://en.wikipedia.org/wiki/Cleavage_(embryo)

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Egg Characteristics and Breeding Season for Woods Hole Species
spiral
URI: http://purl.obolibrary.org/obo/PATO_0000404

Definition: A shape quality inhering in a bearer by virtue of the bearer's being curled or wound (especially in concentric rings or spirals).

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egg coat

Egg Characteristics and Breeding Season for Woods Hole Species
egg jelly
URI: http://eol.org/schema/terms/eggJelly

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egg diameter

Egg Characteristics and Breeding Season for Woods Hole Species

49 µm

(min)
Egg Characteristics and Breeding Season for Woods Hole Species

60 µm

(max)

egg yolky

Egg Characteristics and Breeding Season for Woods Hole Species
yes
URI: http://eol.org/schema/terms/yes

Definition: This statement is true; the answer to this question is yes.

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rate of development

Egg Characteristics and Breeding Season for Woods Hole Species
slow
URI: http://purl.obolibrary.org/obo/PATO_0000911

Definition: Decreased rate. A rate which is relatively low.

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stage at fertilization

Egg Characteristics and Breeding Season for Woods Hole Species
germinal vesicle breakdown
URI: http://eol.org/schema/terms/germinalVesicleBreakdown

Definition: The GV breaks down as the oocyte matures, being no longer visible by the first meiotic metaphase.

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