acrosomal granule

См. также в других словарях:

• acrosomal granule — a large globule formed by the coalescence of proacrosomal granules, contained within a membrane bounded acrosomal vesicle, which enlarges further to become the core of the acrosome of a spermatozoon …   Medical dictionary

• acrosomal vesicle — a membrane bounded vacuolelike structure containing the enlarging acrosomal granule, which undergoes collapse and spreads over the upper two thirds of the head of a spermatozoon to form the head cap …   Medical dictionary

• granule — 1. A grainlike particle; a granulation; a minute discrete mass. 2. A very small pill, usually gelatin or sugar coated, containing a drug to be given in a small dose. 3. A colony of the bacterium or …   Medical dictionary

• proacrosomal granule — any of the small, dense bodies found inside one of the vacuoles of the Golgi body, which fuse to form an acrosomal granule …   Medical dictionary

• fertilization — 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.… …   Universalium

• Vesicle — In dermatology, a vesicle is a small blister, as on the skin. Vesicles also occur on the mucous membranes, such as the buccal mucosa (the lining of the mouth). Vesicles are less than .5 centimeters in diameter.In anatomy, a vesicle is any small… …   Medical dictionary

• cap — 1. Any anatomic structure that resembles a c. or cover. 2. A protective covering for an incomplete tooth. 3. Colloquialism for restoration of the coronal part of a natural tooth by means of an artificial crown. 4. The nucleotide structure found… …   Medical dictionary