Results 11 to 20 of about 4,097,365 (246)

Morphological responses to feeding in ticks (Ixodes ricinus)

open access: yesZoological Letters, 2018
Background Ticks can survive long periods without feeding but, when feeding, ingest large quantities of blood, resulting in a more than 100-fold increase of body volume.
J. Matthias Starck   +6 more
doaj   +1 more source

The developmental cell biology of Trypanosoma brucei [PDF]

open access: yes, 2005
Trypanosoma brucei provides an excellent system for studies of many aspects of cell biology, including cell structure and morphology, organelle positioning, cell division and protein trafficking. However, the trypanosome has a complex life cycle in which
Matthews, Keith R
core   +1 more source

Cell interactome in sarcopenia during aging

open access: yesJournal of Cachexia, Sarcopenia and Muscle, 2022
Background The diversity between the muscle cellular interactome of dependent and independent elderly people is based on the interrelationships established between different cellular mechanisms, and alteration of this balance modulates cellular activity ...
Laura González‐Blanco   +10 more
doaj   +1 more source

Comparative morphology, biology and histology of reproductive development in three lines of Manihot esculenta Crantz (Euphorbiaceae: Crotonoideae)

open access: yesAoB Plants, 2012
Cassava flowering with emphasis on flowering pattern, morphology and phenology; pollen biology on viability and dimorphism, and histology on male and female gametophyte development are demonstrated.
P. Perera   +4 more
semanticscholar   +1 more source

Effect of aphid biology and morphology on plant virus transmission.

open access: yesPest Management Science, 2021
Aphids severely affect crop production by transmitting many plant viruses. Viruses are obligate intracellular pathogens mostly depend on vectors for their transmission and survival.
W. H. Jayasinghe   +3 more
semanticscholar   +1 more source

Intermittent reproduction, mortality patterns and lifetime breeding frequency of females in a population of the adder (Vipera berus) [PDF]

open access: yesPeerJ, 2019
Female adders (Vipera berus) are “capital breeders” that exhibit delayed maturity and intermittent reproductive frequency. We studied the attainment of sexual maturity, the initiation of annual breeding in mature females, the energy and mortality costs ...
Dirk Bauwens, Katja Claus
doaj   +2 more sources

Plant genetic reseources: effective utilization [PDF]

open access: yes, 2010
Characterizing better understanding the genome organization and differentiating identity of genotypes based on their morphology and genome characteristics are vital determinants in their commercialization, management of germplasm repositories, and ...
Budak, Hikmet
core   +1 more source

Evaluation of results after distal metatarsal osteotomy by minimal invasive surgery for the treatment of metatarsalgia: patient and anatomical pieces study

open access: yesJournal of Orthopaedic Surgery and Research, 2019
Background Metatarsalgia of the lesser toes is a common cause of consultation in the podiatric clinic. However, there continues to be a controversy with respect to which is the best surgical technique, and there is few information in the literature ...
Miguel Lopez-Vigil   +4 more
doaj   +1 more source

Marine nematode taxonomy in the DNA age: the present and future of molecular tools to access their biodiversity [PDF]

open access: yes, 2010
Molecular taxonomy is one of the most promising yet challenging fields of biology. Molecular markers such as nuclear and mitochondrial genes are being used in a variety of studies surveying marine nematode taxa.
da Silva, Maria Cristina   +7 more
core   +2 more sources

Gonad development and reproduction in the monoecious species Chlorophthalmus agassizi (Actinopterygii: Aulopiformes: Chlorophthalmidae) from the Sardinian Waters (Central-Western Mediterranean) [PDF]

open access: yes, 2010
Background. The shortnose greeneye, Chlorophthalmus agassizi Bonaparte, 1840, is a species with a circumglobal distribution and is among the most abundant commercial fishes in some Mediterranean areas.
Cabiddu S, Cau A, Follesa MC, Porcu C
core   +1 more source

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