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The endophallus is held internally in the drone. During mating, the organ is everted (turned inside out), into the queen. The eversion of the endophallus is achieved by contracting abdominal muscles, which increases hemolymph pressure, effectively "inflating" the endophallus. Cornua claspers at the base of the endophallus help to grip the queen.
Male genitalia consist of an endophallus, aedeagus, and a copulatory piece. The copulatory piece is highly sclerotized and hook-like. It is attached to the dorsal wall of the endophallus. [1] The spermatophore, a hemispherical capsule that contains sperm, is deposited through an opening at the end of the endophallus called the gonopore. [2]
The endophallus is then everted from the aegeus into the vaginal appendix. The spermatophore emerges from the hook-like copulatory piece and is deposited in the vaginal apophysis. When the male body length is slightly smaller than that of the female, spermatophore deposition is more successful.
The genus Phallus, commonly known as stinkhorns, is a group of basidiomycetes which produce a phallic, often foul-scented mushroom, from which their name is derived.The genus has a widespread distribution and, according to a 2008 estimate, contains 18 species.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
The different types of endocytosis. Endocytosis is a cellular process in which substances are brought into the cell. The material to be internalized is surrounded by an area of cell membrane, which then buds off inside the cell to form a vesicle containing the ingested materials.
The human digestive system consists of the gastrointestinal tract plus the accessory organs of digestion (the tongue, salivary glands, pancreas, liver, and gallbladder). ...
The cytosol makes up the semifluid portion of the endoplasm, in which materials are suspended. It is a concentrated aqueous gel with molecules so crowded and packed together within the water base that its behavior is more gel-like than liquid.