antheridium. / (ˌænθəˈrɪdɪəm) / noun plural -ia (-ɪə)the male sex organ of algae, fungi, bryophytes, and spore-bearing vascular plants, such as ferns, which produces antherozoids. What is protonema example? (i) Protonema – It is a creeping, green, branched...
The nebenkern is amitochondrial formationin the sperm of some insects such as Drosophila. After the completion of meiosis, spermatid mitochondria wrap around each other to form a spherical aggregate, adjacent to the nucleus. The nebenkern proceeds to elongate into a double-stranded helical structure...