sperm+of+fishes
31cloaca — cloacal, adj. /kloh ay keuh/, n., pl. cloacae / see/. 1. Zool. a. the common cavity into which the intestinal, urinary, and generative canals open in birds, reptiles, amphibians, many fishes, and certain mammals. b. a similar cavity in… …
32endocrine system — Group of ductless glands that secrete hormones necessary for normal growth and development, reproduction, and homeostasis. The major endocrine glands are the hypothalamus, pituitary, thyroid, islets of Langerhans, adrenals, parathyroids, ovaries …
33fertilization — fertilizational, adj. /ferr tl euh zay sheuhn/, n. 1. an act, process, or instance of fertilizing. 2. the state of being fertilized. 3. Biol. a. the union of male and female gametic nuclei. b. fecundation or impregnation of animals or plants. 4.… …
34Discovery Investigations — The Discovery Investigations were a series of scientific cruises and shore based investigations into the biology of whales in the Southern Ocean. They were funded by the British Colonial Office and organised by the Discovery Committee in London,… …
35Bronze corydoras — Corydoras aeneus Scientific classification Kingdom: Animalia …
36Dusky shark — Conservation status …
37Fish anatomy — The anatomy of fish is primarily governed by the physical characteristics of water, which is much denser than air, holds a relatively small amount of dissolved oxygen, and absorbs light more than air does. Body (1) operculum (gill cover), (2)… …
38Ichthyology terms — Ichthyology uses several terms that are unique to the science.Contents: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z NOTOC A * Abdomen: belly * Abdominal: pertaining to the belly * Actinosts: a series of bones at the base of the pectoral… …
39Diamond stingray — Conservation status …
40Corydoras — Temporal range: Late Paleocene Recent Corydoras semiaquilus Scientific classification Kingdom …
