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Glossary of Reproduction - Development Terms
beginning with letter H
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hatch Tweet Definition of hatch Like Definition of hatch on Facebook
noun 
  1. a horizontal door in a floor or ceiling.
  2. a trapdoor.
  3. an opening in a wall at window height for the purpose of serving food or other items.
The cook passed the dishes through the serving .
  1. a small door in large mechanical structures and vehicles such as aircraft and spacecraft often provided for access for maintenance.
  2. a narrow passageway between the decks of a ship or submarine.
  3. (Often as Mayfly hatch) the phenomenon, lasting 1-2 days, of large clouds of mayfly, mayflies appearing in one location (to mate, having reached maturity)
  4. (poultry)a group of birds that emerged from eggs at a specified time.
These pullets are from an April .
verb (hatch, es)
  1. (intransitive) (of young animals) to emerge from an egg.
  2. (intransitive) (of eggs) to break open when a young animal emerges from it.
  3. (transitive) to incubate eggs; cause to hatch.
  4. (transitive) to devise. (hatch a plan)
  5. (transitive) to shade an area of a drawing or diagram with fine parallel lines, particularly with lines which cross each other: cross-hatch.
     
hermaphrodite Tweet Definition of hermaphrodite Like Definition of hermaphrodite on Facebook
noun 
  1. An individual or organism possessing both male and female organs, typically including both types of gonads.
An earthworm is a .
  1. A person or thing possessing two opposing qualities.
  2. (nautical) A hermaphrodite brig.
adjective 
  1. Having both male and female organs, typically including both types of gonads, in one individual or organism.
  2. Combining two opposing qualities.
     
hermaphroditism Tweet Definition of hermaphroditism Like Definition of hermaphroditism on Facebook
noun Hermaphroditism
  1. Having both male and female sexual organs.
     
heterogenesis Tweet Definition of heterogenesis Like Definition of heterogenesis on Facebook
noun 
  1. (biology) abnormal, Abnormal organic development.
  2. (biology) The birth of a living being from a parent of a different kind; having two different forms in the life cycle.
     
heterogenetic Tweet Definition of heterogenetic Like Definition of heterogenetic on Facebook
adjective 
  1. (biology) Of, or relating to heterogenesis
  2. (medicine) Of a disease produced by infection from outside the body
     
heteromorphic Tweet Definition of heteromorphic Like Definition of heteromorphic on Facebook
adjective 
  1. (biology) Having different forms in different stages of the life cycle
  2. Differing in size or structure from the normal
     
heteronomous Tweet Definition of heteronomous Like Definition of heteronomous on Facebook
adjective 
  1. not autonomous
  1. (biology) (of parts of an organism) differing in development or in specialization
  2. (linguistics) (of a language) being a dialect of an autonomous language
     
histogenesis Tweet Definition of histogenesis Like Definition of histogenesis on Facebook
noun 
  1. (biology) the formation and development of the tissues of an organism from embryonic cells
     
holoblastic Tweet Definition of holoblastic Like Definition of holoblastic on Facebook
adjective 
  1. (biology) (of an egg) cleaving, and separating into separate blastomeres
     
homunculus Tweet Definition of homunculus Like Definition of homunculus on Facebook
noun (homunculi)
  1. A little man.
  2. The nerve map of the human body that exists on the parietal lobe of the human brain.
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